Precursory Phenomena in Chiral Transition and Color Superconductivity - PowerPoint PPT Presentation
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Precursory Phenomena in Chiral Transition and Color Superconductivity
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Title: The sigma meson and chiral transition in nuclear medium Author: Last modified by: Kunihiro Teiji Created Date: 5/8/2002 8:09:28 AM – PowerPoint PPT presentation
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Title: Precursory Phenomena in Chiral Transition and Color Superconductivity
1
Precursory Phenomena in Chiral Transition and
Color Superconductivity
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2
QCD phase diagram
T
QGP
RHIC
QCD CEP
GSI,J-PARC
cSB
?
Various phases
CSC
CFL
BCS-BEC?
m
?
compact stars
0
H matter?
superconducting phases
meson condensation?
3
Color Superconductivity diquark condensation
Dense Quark Matter
quark (fermion) system
q
q
with attractive channel in one-gluon exchange
interaction.
Attractive!
p
Cooper instability at sufficiently low T
Fermi surface
-p
SU (3)c gauge symmetry is broken!
D100MeV at moderate density mq 400MeV
T
confinement
chiral symm. broken
Color Superconductivity(CSC)
m
4
(Dis)Appearance of CFL and Gapless phases in
Charge- and Color-neutral System at T0
Abuki, Kitazawa and T.K. P.L.B615,102(
