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Papers by asad iqbal

Life cycle assessment of deploying sludge minimization with (sulfidogenic-)oxic-settling-anaerobic configurations in sewage-sludge management systems

Bioresource Technology

Use of Copper Slag as Construction Material in Bitumenious Pavements

International Journal of Scientific & Engineering Research

Interaction of Molecular Contaminants with Low-k Dielectric Films and Metal Surfaces

Ultra low-k dielectric films are expected to widely replace SiO 2 as the interlayer dielectric fo... more Ultra low-k dielectric films are expected to widely replace SiO 2 as the interlayer dielectric for the next-generation microelectronic devices. A challenge facing the integration of these dielectrics in manufacturing is their interactions with gaseous contaminants, such as moisture and ...

Background: The survival and outcome of neonates with anorectal malformations (ARM) have much imp... more Background: The survival and outcome of neonates with anorectal malformations (ARM) have much improved in the developed countries due to optimal perioperative and postoperative care but in developing countries, sepsis, low birth weight, delayed presentation, and lack of intensive care for neonates are still important in affecting the outcome. This study was carried out to evaluate factors of poor outcome (mortality) in neonates with ARM. Method: This is a prospective analytical study. A total of 44 consecutive neonates with Anorectal malformations (ARM) presenting to the Department of Pediatric Surgery, The Children’s Hospital, Pakistan Institute of Medical Sciences, Islamabad, were included. Variables studied included age at presentation, gender, birth weight, type of malformation, sepsis at presentation, type of surgery performed, postoperative complications, and their relationship to the outcome. The statistical analysis was performed using SPSS version 21. Results: A total of 44...

Effect of Mineral Fillers on the Performance of Hot Mix Asphalt (HMA)

Flexible pavements are commonly used in the world. The durable performance of flexible pavement i... more Flexible pavements are commonly used in the world. The durable performance of flexible pavement is a very importantfactor that is being considered. Due to the large traffic loads, certain difficulties develop because flexible pavementsundergo specific deformations. In developing countries such as Pakistan, where there is an economic problem, somespecial corrective measures are required to improve the performance of Hot Mix Asphalt (HMA). The performanceof the HMA and its internal properties can be improved through the use of mineral waste fillers to save pavementconstruction. In this study, the performance of HMA was investigated using different mineral fillers. The type ofminerals, used to verify the performance of HMA, was Stone Dust (SD), Brick Dust (BD) and Fly Ash (FA). TheMarshall Mix Design criteria (ASTM D1559) were adopted to investigate the volumetric properties of HMA. Inaddition, the optimal amount of each mineral load was determined using the Marshall Mix design. The pr...

Anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) for wastewater treatment – Recent advances, process optimization and perspectives

Bioresource Technology

Recently, anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) have attracted increasi... more Recently, anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) have attracted increasing attention, and are considered as an alternative to conventional anaerobic membrane bioreactors (AnMBRs). The key advantages of AnSFDMBRs include high flux, low propensity towards fouling, and low capital and operational costs. Although there have been several reviews on AnMBRs, very few reviews on AnSFDMBR system. Previous AnSFDMBR studies have focused on lab-scale to investigate the long-term flux, methods to improve performance and the associated mechanisms. Microbial analysis showed that the phyla namely Proteobacteria, Bacteroidetes and Firmicutes are dominant in both bulk sludge and cake biofilm, but their abundance is low in biocake. This review critically examines the fundamentals of AnSFDMBRs, operational conditions, process optimization and applications. Moreover, the current knowledge gaps (e.g., dynamic membrane module optimization, membrane surface modification and functional microbes enrichment) that should be studied in future to design an efficient AnSFDMBR system for treatment of diverse wastewaters.

Civil Engineering Journal

Road safety is the main problem in developing countries. Every year, millions of people die in ro... more Road safety is the main problem in developing countries. Every year, millions of people die in road traffic accidents, resulting in huge losses of humankind and the economy. This study focuses on the road traffic accident analysis and identification of black spots on the Lahore-Islamabad Highway M-2. Official data of road traffic accidents were collected from National Highway and Highway Police (NH & MP) Pakistan. The data was digitized on MS Excel and Origin Pro. The accident Point weightage (APW) method was employed to identify the black spots and rank of the top ten black spots. The analysis shows that the trend of road traffic accidents on M-2 was characterized by a high rate of fatal accidents of 35.3%. Human errors account for 66.8% as the major contributing factors in road traffic accidents, while vehicle errors (25.6%) and environmental factors (7.6%) were secondary and tertiary contributing factors. The main causes of road traffic accidents were the dozing on the wheel (27....

Integrated solid waste and wastewater treatment system : a comprehensive life cycle assessment of potential scenarios for Hong Kong

International Journal of Civil, Mechanical and Energy Science

This research investigated the effect of different sources of water on the compressive strength o... more This research investigated the effect of different sources of water on the compressive strength of concrete. The waters samples used for the analysis were rain, river and potable water.The chemical compositions of these water qualities and sources were determined, while 18 concrete cubes were produced in the ratio of 1:2:4 using each water quality type. The cubes were cured and crushed at 7, 14 and 28 days using the Farnell Crushing Machine. The compressive strength test was carried out on the cubes and the findings were statistically processed.It was observed that the concrete produced with potable water and river water had their compressive strengths gradually increased with age while the concrete produced with rain water gradually increased too but later decreased in strength at 28 days age. The results indicated that sources of water used in mixing concrete have a significant impact on the compressive strength of the resulting concrete. It concluded by suggesting that potable water is the best water type for concrete production since the concrete cubes obtained from it gained appreciable strength with age. River water could be used for mixing where potable water is scarce. However, other properties such as durability and shrinkage should be considered before use. It was recommended that potable water and water without obvious concrete-inimical substances be used in concrete production.

Relaxation dynamics and polydispersivity associated with defects and ferroelectric correlations in Ba doped EuTiO3

Journal of Physics: Condensed Matter

We present the frequency- and temperature-dependent dielectric response of Eu1-x Ba x TiO3 (0 ⩽ ... more We present the frequency- and temperature-dependent dielectric response of Eu1-x Ba x TiO3 (0 ⩽ x ⩽ 0.5) in detail. Excluding grain boundary effects, four relaxation mechanisms were observed. Relaxation dynamics were observed to arise due to hopping conduction associated with defects, namely oxygen vacancies as well as Eu3+ and Ti3+ ions. Dielectric relaxation analysis led to the identification of Ti ions in two different environments with different relaxation rates in the overall EuTiO3 perovskite structure. The emergence of another relaxation mechanism associated with ferroelectric order as a consequence of the formation of polar regions was also observed for higher Ba concentrations. The addition of Ba led to the identification of relaxation dynamics associated with hopping conduction between Eu ions, Ti ions (in the regions with and without oxygen vacancies) and with the formation of ferroelectric polar regions. Furthermore, the polydispersivity and relaxation times were extracted within the framework of the modified Debye model. Relaxation times have been observed to increase with a decrease in temperature while larger values of polydispersivity reveal a wide distribution of relaxation times due to the presence of lattice parameter and energy barrier distributions.

Modulating crack propagation in a multilayer stack with a super-layer

Journal of Materials Research, 2015

Quantitative characterization of interface adhesion and fracture properties of thin film material... more Quantitative characterization of interface adhesion and fracture properties of thin film materials is of fundamental and technological interests in modern technologies. Sandwich beam specimens used in fracture mechanics techniques, such as four-point bending and double-cantilever beam have been widely adopted, including the semiconductor industry. In this work, we highlight some of the challenges that these techniques are facing in characterizing ever thinner films and tough interfaces, and propose a simple strategy to address these challenges by engineering the stack structure of the specimen. We show that crack propagation in a multilayer stack can be controlled using a super-layer (SL) structure, and the dependence of the cracking behavior on the thickness and mechanical properties of the SL is studied. The effectiveness of the SL strategy is demonstrated for a range of technologically important material systems used in the on-chip interconnects of modern microprocessors, which represents one promising path to extend the industry-standard techniques to meet future characterization needs.

Barcoding of fresh water fishes from Pakistan

Mitochondrial DNA Part A, 2015

DNA bar-coding is a taxonomic method that uses small genetic markers in organisms&amp... more DNA bar-coding is a taxonomic method that uses small genetic markers in organisms' mitochondrial DNA (mt DNA) for identification of particular species. It uses sequence diversity in a 658-base pair fragment near the 5' end of the mitochondrial cytochrome c oxidase subunit 1 (CO1) gene as a tool for species identification. DNA barcoding is more accurate and reliable method as compared with the morphological identification. It is equally useful in juveniles as well as adult stages of fishes. The present study was conducted to identify three farm fish species of Pakistan (Cyprinus carpio, Cirrhinus mrigala, and Ctenopharyngodon idella) genetically. All of them belonged to family cyprinidae. CO1 gene was amplified. PCR products were sequenced and analyzed by bioinformatic software. Conspecific, congenric, and confamilial k2P nucleotide divergence was estimated. From these findings, it was concluded that the gene sequence, CO1, may serve as milestone for the identification of related species at molecular level.

Automated over speeding detection and reporting system

2014 16th International Power Electronics and Motion Control Conference and Exposition, 2014

Dynamic Response in Ba 1− x Sr x TiO 3 and Anomalous Behavior at the Phase Boundary Composition

Journal of the American Ceramic Society, 2014

The dynamic response of Barium Strontium Titanate (Ba1−xSrxTiO3, x = 0.6–0.9) is presented over a... more The dynamic response of Barium Strontium Titanate (Ba1−xSrxTiO3, x = 0.6–0.9) is presented over a temperature range spanning various structural phase transitions and for compositions that extend from the ferroelectric (FE) phase to the FE-Antiferrodistortive (AFD) phase boundary. We find that while the in-phase part of the dielectric response is insensitive to applied frequencies over the range 400–500 kHz for all compositions, strong dispersive effects are observed in general for the out of phase part, for almost all compositions. The dielectric peaks corresponding to the lower temperature structural transitions (e.g. tetragonal to orthorhombic T–O etc.) exhibit frequency dependence, while the higher temperature cubic to tetragonal (C–T) transition does not show dispersive effects. The only exception to this is for the Ba0.1Sr0.9TiO3 composition, lying at the boundary of the FE and AFD phases. Detailed frequency dependence studies of this composition (x = 0.9) show that the (C–T) transition exhibits an abrupt change in the dispersive features for high frequencies f > 10 kHz. These features include the constancy of peak temperature, large drop in the magnitude of the losses and a noticeable broadening of the associated loss peak. The anomalous features in the behavior of x = 0.9 composition are attributed to slow relaxation processes in the AFD phase at the boundary separating the FE and AFD phases.

Mechanistic Study of Surface Contamination of Dielectric Oxides Using Isotope Labeling

Industrial & Engineering Chemistry Research, 2004

Surface molecular contamination of gate dielectrics in metal oxide semiconductor structures is a ... more Surface molecular contamination of gate dielectrics in metal oxide semiconductor structures is a problem affecting the performance of integrated circuits. The impact depends strongly on the nature of the interactions between the contaminants and the dielectric surfaces. The ...

Antioxidant and free radical scavenging property of methanol extract of Blumea lanceolaria leaf in different in vitro models

The Journal of Health, Population and Nutrition

... The authors thank the study participants for their cooperation and the field staff, including... more ... The authors thank the study participants for their cooperation and the field staff, including Dr. Zahra Nezhadnik, Dr. Azamosadat Tabatabaei, Dr. Sima Beheshti, Dr. Shadab Shateri, Dr. Zahra Fallah, Dr. Marjan Momenzadeh, Dr. Mahnaz Soghrati, Dr. Hayedeh Adilipour, and Dr ...

Analysis of Two-Player Quantum Games in an EPR Setting Using Clifford’s Geometric Algebra

The framework for playing quantum games in an Einstein-Podolsky-Rosen (EPR) type setting is inves... more The framework for playing quantum games in an Einstein-Podolsky-Rosen (EPR) type setting is investigated using the mathematical formalism of geometric algebra (GA). The main advantage of this framework is that the players’ strategy sets remain identical to the ones in the classical mixed-strategy version of the game, and hence the quantum game becomes a proper extension of the classical game, avoiding a criticism of other quantum game frameworks. We produce a general solution for two-player games, and as examples, we analyze the games of Prisoners’ Dilemma and Stag Hunt in the EPRsetting. The use of GA allows a quantum-mechanical analysis without the use of complex numbers or the Dirac Bra-ket notation, and hence is more accessible to the non-physicist.

Mobility Patterns for Mobile Ad Hoc Network Using OLSR

Proceedings of the IEEE Symposium on …, 2005

Distributed inobility patterns based on relative speed, random lirectiotn ofmobile nodes with var... more Distributed inobility patterns based on relative speed, random lirectiotn ofmobile nodes with variable communication range in mobile ad hoc networks are proposed. In these patterns, transient disturbances in routing tables and neighbor tables due to,fast movingnodes and their effect on ...

Removal of moisture contamination from porous polymeric low-k dielectric films

AIChE Journal, 2006

The properties of interlayer dielectric films are sensitive to the presence of homogeneous contam... more The properties of interlayer dielectric films are sensitive to the presence of homogeneous contaminants from various sources, which can in turn affect the process yield and degrade the final device performance. Moisture and organics are among the most detrimental because of their ...

Life cycle assessment of deploying sludge minimization with (sulfidogenic-)oxic-settling-anaerobic configurations in sewage-sludge management systems

Bioresource Technology

Use of Copper Slag as Construction Material in Bitumenious Pavements

International Journal of Scientific & Engineering Research

Interaction of Molecular Contaminants with Low-k Dielectric Films and Metal Surfaces

Ultra low-k dielectric films are expected to widely replace SiO 2 as the interlayer dielectric fo... more Ultra low-k dielectric films are expected to widely replace SiO 2 as the interlayer dielectric for the next-generation microelectronic devices. A challenge facing the integration of these dielectrics in manufacturing is their interactions with gaseous contaminants, such as moisture and ...

Background: The survival and outcome of neonates with anorectal malformations (ARM) have much imp... more Background: The survival and outcome of neonates with anorectal malformations (ARM) have much improved in the developed countries due to optimal perioperative and postoperative care but in developing countries, sepsis, low birth weight, delayed presentation, and lack of intensive care for neonates are still important in affecting the outcome. This study was carried out to evaluate factors of poor outcome (mortality) in neonates with ARM. Method: This is a prospective analytical study. A total of 44 consecutive neonates with Anorectal malformations (ARM) presenting to the Department of Pediatric Surgery, The Children’s Hospital, Pakistan Institute of Medical Sciences, Islamabad, were included. Variables studied included age at presentation, gender, birth weight, type of malformation, sepsis at presentation, type of surgery performed, postoperative complications, and their relationship to the outcome. The statistical analysis was performed using SPSS version 21. Results: A total of 44...

Effect of Mineral Fillers on the Performance of Hot Mix Asphalt (HMA)

Flexible pavements are commonly used in the world. The durable performance of flexible pavement i... more Flexible pavements are commonly used in the world. The durable performance of flexible pavement is a very importantfactor that is being considered. Due to the large traffic loads, certain difficulties develop because flexible pavementsundergo specific deformations. In developing countries such as Pakistan, where there is an economic problem, somespecial corrective measures are required to improve the performance of Hot Mix Asphalt (HMA). The performanceof the HMA and its internal properties can be improved through the use of mineral waste fillers to save pavementconstruction. In this study, the performance of HMA was investigated using different mineral fillers. The type ofminerals, used to verify the performance of HMA, was Stone Dust (SD), Brick Dust (BD) and Fly Ash (FA). TheMarshall Mix Design criteria (ASTM D1559) were adopted to investigate the volumetric properties of HMA. Inaddition, the optimal amount of each mineral load was determined using the Marshall Mix design. The pr...

Anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) for wastewater treatment – Recent advances, process optimization and perspectives

Bioresource Technology

Recently, anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) have attracted increasi... more Recently, anaerobic self-forming dynamic membrane bioreactors (AnSFDMBRs) have attracted increasing attention, and are considered as an alternative to conventional anaerobic membrane bioreactors (AnMBRs). The key advantages of AnSFDMBRs include high flux, low propensity towards fouling, and low capital and operational costs. Although there have been several reviews on AnMBRs, very few reviews on AnSFDMBR system. Previous AnSFDMBR studies have focused on lab-scale to investigate the long-term flux, methods to improve performance and the associated mechanisms. Microbial analysis showed that the phyla namely Proteobacteria, Bacteroidetes and Firmicutes are dominant in both bulk sludge and cake biofilm, but their abundance is low in biocake. This review critically examines the fundamentals of AnSFDMBRs, operational conditions, process optimization and applications. Moreover, the current knowledge gaps (e.g., dynamic membrane module optimization, membrane surface modification and functional microbes enrichment) that should be studied in future to design an efficient AnSFDMBR system for treatment of diverse wastewaters.

Civil Engineering Journal

Road safety is the main problem in developing countries. Every year, millions of people die in ro... more Road safety is the main problem in developing countries. Every year, millions of people die in road traffic accidents, resulting in huge losses of humankind and the economy. This study focuses on the road traffic accident analysis and identification of black spots on the Lahore-Islamabad Highway M-2. Official data of road traffic accidents were collected from National Highway and Highway Police (NH & MP) Pakistan. The data was digitized on MS Excel and Origin Pro. The accident Point weightage (APW) method was employed to identify the black spots and rank of the top ten black spots. The analysis shows that the trend of road traffic accidents on M-2 was characterized by a high rate of fatal accidents of 35.3%. Human errors account for 66.8% as the major contributing factors in road traffic accidents, while vehicle errors (25.6%) and environmental factors (7.6%) were secondary and tertiary contributing factors. The main causes of road traffic accidents were the dozing on the wheel (27....

Integrated solid waste and wastewater treatment system : a comprehensive life cycle assessment of potential scenarios for Hong Kong

International Journal of Civil, Mechanical and Energy Science

This research investigated the effect of different sources of water on the compressive strength o... more This research investigated the effect of different sources of water on the compressive strength of concrete. The waters samples used for the analysis were rain, river and potable water.The chemical compositions of these water qualities and sources were determined, while 18 concrete cubes were produced in the ratio of 1:2:4 using each water quality type. The cubes were cured and crushed at 7, 14 and 28 days using the Farnell Crushing Machine. The compressive strength test was carried out on the cubes and the findings were statistically processed.It was observed that the concrete produced with potable water and river water had their compressive strengths gradually increased with age while the concrete produced with rain water gradually increased too but later decreased in strength at 28 days age. The results indicated that sources of water used in mixing concrete have a significant impact on the compressive strength of the resulting concrete. It concluded by suggesting that potable water is the best water type for concrete production since the concrete cubes obtained from it gained appreciable strength with age. River water could be used for mixing where potable water is scarce. However, other properties such as durability and shrinkage should be considered before use. It was recommended that potable water and water without obvious concrete-inimical substances be used in concrete production.

Relaxation dynamics and polydispersivity associated with defects and ferroelectric correlations in Ba doped EuTiO3

Journal of Physics: Condensed Matter

We present the frequency- and temperature-dependent dielectric response of Eu1-x Ba x TiO3 (0 ⩽ ... more We present the frequency- and temperature-dependent dielectric response of Eu1-x Ba x TiO3 (0 ⩽ x ⩽ 0.5) in detail. Excluding grain boundary effects, four relaxation mechanisms were observed. Relaxation dynamics were observed to arise due to hopping conduction associated with defects, namely oxygen vacancies as well as Eu3+ and Ti3+ ions. Dielectric relaxation analysis led to the identification of Ti ions in two different environments with different relaxation rates in the overall EuTiO3 perovskite structure. The emergence of another relaxation mechanism associated with ferroelectric order as a consequence of the formation of polar regions was also observed for higher Ba concentrations. The addition of Ba led to the identification of relaxation dynamics associated with hopping conduction between Eu ions, Ti ions (in the regions with and without oxygen vacancies) and with the formation of ferroelectric polar regions. Furthermore, the polydispersivity and relaxation times were extracted within the framework of the modified Debye model. Relaxation times have been observed to increase with a decrease in temperature while larger values of polydispersivity reveal a wide distribution of relaxation times due to the presence of lattice parameter and energy barrier distributions.

Modulating crack propagation in a multilayer stack with a super-layer

Journal of Materials Research, 2015

Quantitative characterization of interface adhesion and fracture properties of thin film material... more Quantitative characterization of interface adhesion and fracture properties of thin film materials is of fundamental and technological interests in modern technologies. Sandwich beam specimens used in fracture mechanics techniques, such as four-point bending and double-cantilever beam have been widely adopted, including the semiconductor industry. In this work, we highlight some of the challenges that these techniques are facing in characterizing ever thinner films and tough interfaces, and propose a simple strategy to address these challenges by engineering the stack structure of the specimen. We show that crack propagation in a multilayer stack can be controlled using a super-layer (SL) structure, and the dependence of the cracking behavior on the thickness and mechanical properties of the SL is studied. The effectiveness of the SL strategy is demonstrated for a range of technologically important material systems used in the on-chip interconnects of modern microprocessors, which represents one promising path to extend the industry-standard techniques to meet future characterization needs.

Barcoding of fresh water fishes from Pakistan

Mitochondrial DNA Part A, 2015

DNA bar-coding is a taxonomic method that uses small genetic markers in organisms&amp... more DNA bar-coding is a taxonomic method that uses small genetic markers in organisms' mitochondrial DNA (mt DNA) for identification of particular species. It uses sequence diversity in a 658-base pair fragment near the 5' end of the mitochondrial cytochrome c oxidase subunit 1 (CO1) gene as a tool for species identification. DNA barcoding is more accurate and reliable method as compared with the morphological identification. It is equally useful in juveniles as well as adult stages of fishes. The present study was conducted to identify three farm fish species of Pakistan (Cyprinus carpio, Cirrhinus mrigala, and Ctenopharyngodon idella) genetically. All of them belonged to family cyprinidae. CO1 gene was amplified. PCR products were sequenced and analyzed by bioinformatic software. Conspecific, congenric, and confamilial k2P nucleotide divergence was estimated. From these findings, it was concluded that the gene sequence, CO1, may serve as milestone for the identification of related species at molecular level.

Automated over speeding detection and reporting system

2014 16th International Power Electronics and Motion Control Conference and Exposition, 2014

Dynamic Response in Ba 1− x Sr x TiO 3 and Anomalous Behavior at the Phase Boundary Composition

Journal of the American Ceramic Society, 2014

The dynamic response of Barium Strontium Titanate (Ba1−xSrxTiO3, x = 0.6–0.9) is presented over a... more The dynamic response of Barium Strontium Titanate (Ba1−xSrxTiO3, x = 0.6–0.9) is presented over a temperature range spanning various structural phase transitions and for compositions that extend from the ferroelectric (FE) phase to the FE-Antiferrodistortive (AFD) phase boundary. We find that while the in-phase part of the dielectric response is insensitive to applied frequencies over the range 400–500 kHz for all compositions, strong dispersive effects are observed in general for the out of phase part, for almost all compositions. The dielectric peaks corresponding to the lower temperature structural transitions (e.g. tetragonal to orthorhombic T–O etc.) exhibit frequency dependence, while the higher temperature cubic to tetragonal (C–T) transition does not show dispersive effects. The only exception to this is for the Ba0.1Sr0.9TiO3 composition, lying at the boundary of the FE and AFD phases. Detailed frequency dependence studies of this composition (x = 0.9) show that the (C–T) transition exhibits an abrupt change in the dispersive features for high frequencies f > 10 kHz. These features include the constancy of peak temperature, large drop in the magnitude of the losses and a noticeable broadening of the associated loss peak. The anomalous features in the behavior of x = 0.9 composition are attributed to slow relaxation processes in the AFD phase at the boundary separating the FE and AFD phases.

Mechanistic Study of Surface Contamination of Dielectric Oxides Using Isotope Labeling

Industrial & Engineering Chemistry Research, 2004

Surface molecular contamination of gate dielectrics in metal oxide semiconductor structures is a ... more Surface molecular contamination of gate dielectrics in metal oxide semiconductor structures is a problem affecting the performance of integrated circuits. The impact depends strongly on the nature of the interactions between the contaminants and the dielectric surfaces. The ...

Antioxidant and free radical scavenging property of methanol extract of Blumea lanceolaria leaf in different in vitro models

The Journal of Health, Population and Nutrition

... The authors thank the study participants for their cooperation and the field staff, including... more ... The authors thank the study participants for their cooperation and the field staff, including Dr. Zahra Nezhadnik, Dr. Azamosadat Tabatabaei, Dr. Sima Beheshti, Dr. Shadab Shateri, Dr. Zahra Fallah, Dr. Marjan Momenzadeh, Dr. Mahnaz Soghrati, Dr. Hayedeh Adilipour, and Dr ...

Analysis of Two-Player Quantum Games in an EPR Setting Using Clifford’s Geometric Algebra

The framework for playing quantum games in an Einstein-Podolsky-Rosen (EPR) type setting is inves... more The framework for playing quantum games in an Einstein-Podolsky-Rosen (EPR) type setting is investigated using the mathematical formalism of geometric algebra (GA). The main advantage of this framework is that the players’ strategy sets remain identical to the ones in the classical mixed-strategy version of the game, and hence the quantum game becomes a proper extension of the classical game, avoiding a criticism of other quantum game frameworks. We produce a general solution for two-player games, and as examples, we analyze the games of Prisoners’ Dilemma and Stag Hunt in the EPRsetting. The use of GA allows a quantum-mechanical analysis without the use of complex numbers or the Dirac Bra-ket notation, and hence is more accessible to the non-physicist.

Mobility Patterns for Mobile Ad Hoc Network Using OLSR

Proceedings of the IEEE Symposium on …, 2005

Distributed inobility patterns based on relative speed, random lirectiotn ofmobile nodes with var... more Distributed inobility patterns based on relative speed, random lirectiotn ofmobile nodes with variable communication range in mobile ad hoc networks are proposed. In these patterns, transient disturbances in routing tables and neighbor tables due to,fast movingnodes and their effect on ...

Removal of moisture contamination from porous polymeric low-k dielectric films

AIChE Journal, 2006

The properties of interlayer dielectric films are sensitive to the presence of homogeneous contam... more The properties of interlayer dielectric films are sensitive to the presence of homogeneous contaminants from various sources, which can in turn affect the process yield and degrade the final device performance. Moisture and organics are among the most detrimental because of their ...