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Youngman Kim

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Papers by Youngman Kim

Research paper thumbnail of Catalysis of partial chiral symmetry restoration by Δ matter

Physical Review C, 2018

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Research paper thumbnail of Asymmetric nuclear matter in a parity doublet model with hidden local symmetry

Physical Review C, 2015

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Research paper thumbnail of Hybrid exotic meson withJPC= 1−+in AdS/QCD

Journal of High Energy Physics, 2009

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Research paper thumbnail of Holographic deconfinement temperature at finite densities

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Research paper thumbnail of Holographic meson mass in asymmetric dense matter

We study a meson mass splitting due to isospin violation in holographic dense matter. We work in ... more We study a meson mass splitting due to isospin violation in holographic dense matter. We work in a D4/D6/D6 model with two quark flavor branes to consider asymmetric dense matter in holographic QCD. We mainly consider two cases. We first consider m+/m−simmd/mum^+/m^-\sim m_d/m_um+/m−simmd/mu to study the effect of isospin violation on the meson masses. Then, we take m+/m−simms/mqm^+/m^-\sim m_s/m_qm+/m−simms/mq, where mqsim(mu+md)/2m_q\sim(m_u+m_d)/2mqsim(mu+md)/2, to calculate in-medium kaon-like meson masses. In both cases we observe that the mass splitting of charged mesons occurs at low densities due to the asymmetry, while at high densities their masses become degenerate. At intermediate densities, we find an exotic behavior in masses which could be partly understood in a simple picture based on the Pauli exclusion principle.

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Research paper thumbnail of Explicit flavor symmetry breaking and holographic compact stars

Journal of the Korean Physical Society, 2015

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Research paper thumbnail of Holographic equations of state and astrophysical compact objects

Journal of High Energy Physics, 2011

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Research paper thumbnail of Asymmetric dense matter in holographic QCD

EPJ Web of Conferences, 2012

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Research paper thumbnail of Vector susceptibility and QCD phase transition in AdS/QCD models

Journal of High Energy Physics, 2008

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Research paper thumbnail of Mesons and Nucleons from Holographic QCD

Hadron and Nuclear Physics 09, 2010

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Research paper thumbnail of Quark-gluon mixed condensate of the QCD vacuum in holographic QCD

Journal of High Energy Physics, 2008

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Research paper thumbnail of Mesons and nucleons from holographic QCD in a unified approach

Journal of High Energy Physics, 2009

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Research paper thumbnail of Quark number susceptibility with finite chemical potential in holographic QCD

Journal of High Energy Physics, 2010

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Research paper thumbnail of Nuclear matter to strange matter transition in holographic QCD

Journal of High Energy Physics, 2010

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Research paper thumbnail of Quark Number Susceptibility with Finite Quark Mass in Holographic QCD

Progress of Theoretical Physics, 2011

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Research paper thumbnail of Holographic QCD: Past, present, and future

Progress in Particle and Nuclear Physics, 2013

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Research paper thumbnail of Deconfinement phase transition in holographic QCD with matter

Physical Review D, 2007

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Research paper thumbnail of Holographic nuclear matter in the AdS/QCD model

Physical Review D, 2008

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Research paper thumbnail of Vector manifestation and fate of vector mesons in dense matter

Physical Review D, 2002

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Research paper thumbnail of Schematic model for ρ-a1 mixing at finite density and in-medium effective Lagrangian

Physical Review C, 2000

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Research paper thumbnail of Catalysis of partial chiral symmetry restoration by Δ matter

Physical Review C, 2018

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Research paper thumbnail of Asymmetric nuclear matter in a parity doublet model with hidden local symmetry

Physical Review C, 2015

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Hybrid exotic meson withJPC= 1−+in AdS/QCD

Journal of High Energy Physics, 2009

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Holographic deconfinement temperature at finite densities

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Holographic meson mass in asymmetric dense matter

We study a meson mass splitting due to isospin violation in holographic dense matter. We work in ... more We study a meson mass splitting due to isospin violation in holographic dense matter. We work in a D4/D6/D6 model with two quark flavor branes to consider asymmetric dense matter in holographic QCD. We mainly consider two cases. We first consider m+/m−simmd/mum^+/m^-\sim m_d/m_um+/m−simmd/mu to study the effect of isospin violation on the meson masses. Then, we take m+/m−simms/mqm^+/m^-\sim m_s/m_qm+/m−simms/mq, where mqsim(mu+md)/2m_q\sim(m_u+m_d)/2mqsim(mu+md)/2, to calculate in-medium kaon-like meson masses. In both cases we observe that the mass splitting of charged mesons occurs at low densities due to the asymmetry, while at high densities their masses become degenerate. At intermediate densities, we find an exotic behavior in masses which could be partly understood in a simple picture based on the Pauli exclusion principle.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Explicit flavor symmetry breaking and holographic compact stars

Journal of the Korean Physical Society, 2015

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Research paper thumbnail of Holographic equations of state and astrophysical compact objects

Journal of High Energy Physics, 2011

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Asymmetric dense matter in holographic QCD

EPJ Web of Conferences, 2012

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Vector susceptibility and QCD phase transition in AdS/QCD models

Journal of High Energy Physics, 2008

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Mesons and Nucleons from Holographic QCD

Hadron and Nuclear Physics 09, 2010

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Research paper thumbnail of Quark-gluon mixed condensate of the QCD vacuum in holographic QCD

Journal of High Energy Physics, 2008

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Mesons and nucleons from holographic QCD in a unified approach

Journal of High Energy Physics, 2009

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Research paper thumbnail of Quark number susceptibility with finite chemical potential in holographic QCD

Journal of High Energy Physics, 2010

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Research paper thumbnail of Nuclear matter to strange matter transition in holographic QCD

Journal of High Energy Physics, 2010

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Research paper thumbnail of Quark Number Susceptibility with Finite Quark Mass in Holographic QCD

Progress of Theoretical Physics, 2011

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Research paper thumbnail of Holographic QCD: Past, present, and future

Progress in Particle and Nuclear Physics, 2013

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Research paper thumbnail of Deconfinement phase transition in holographic QCD with matter

Physical Review D, 2007

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Research paper thumbnail of Holographic nuclear matter in the AdS/QCD model

Physical Review D, 2008

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Research paper thumbnail of Vector manifestation and fate of vector mesons in dense matter

Physical Review D, 2002

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Research paper thumbnail of Schematic model for ρ-a1 mixing at finite density and in-medium effective Lagrangian

Physical Review C, 2000

Bookmarks Related papers MentionsView impact

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