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Papers by anwesha chakraborty

Research paper thumbnail of Fingerprints of the quantum space-time in time-dependent quantum mechanics: An emergent geometric phase

Nuclear Physics B

We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum... more We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum space-time of Moyal type, where the time 't ' is also an operator. An effective commutative description of the system gives a time dependent generalised harmonic oscillator system with perturbation linear in position and momentum. The system is then diagonalised to get a generalised harmonic oscillator and then its adiabatic evolution over time-period T is studied in Heisenberg picture to compute the expression of geometric phaseshift.

Research paper thumbnail of Application of Graph Theory in Social Media

International Journal of Computer Sciences and Engineering

Research paper thumbnail of India: Tracing science communication in independent India

Communicating Science: A Global Perspective

Research paper thumbnail of Fingerprints of the quantum space-time in time-dependent quantum mechanics: An emergent geometric phase

Nuclear Physics B

We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum... more We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum space-time of Moyal type, where the time 't ' is also an operator. An effective commutative description of the system gives a time dependent generalised harmonic oscillator system with perturbation linear in position and momentum. The system is then diagonalised to get a generalised harmonic oscillator and then its adiabatic evolution over time-period T is studied in Heisenberg picture to compute the expression of geometric phaseshift.

Research paper thumbnail of Application of Graph Theory in Social Media

International Journal of Computer Sciences and Engineering

Research paper thumbnail of India: Tracing science communication in independent India

Communicating Science: A Global Perspective

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