The XXV International Symposium on Lattice Field Theory 29 July - 5 August 2007, Regensburg , Deutschland K. Miura, N. Kawamoto and A. Ohnishi Hokkaido University, Japan Kawamoto, Miura, Ohnishi, Ohnuma, Phys.Rev.D75:014502,200 P1 Meson spectrum in the SU(Nc) phase of finite T & mu in SC-LQCD Ohnishi et al. hep-lat/0701024 Ohnishi et al. arXiv:0704.2823 Refs.
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The XXV International Symposium on Lattice Field Theory 29 July - 5 August 2007, Regensburg, Deutschland K. Miura, N. Kawamoto and A. Ohnishi Hokkaido.
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The XXV International Symposium on Lattice Field Theory 29 July - 5 August 2007, Regensburg , Deutschland
K. Miura, N. Kawamoto and A. OhnishiHokkaido University, Japan
There are many studies investigating the meson massesin the SC-LQCD (Kawamoto and Smit, (1981) etc…).But there is no work considering meson mass with T and mu.
The effective free energy has been derived for the finite T and mu case in the SC-LQCD.
CSC
U(Nc)SU(3)SU(Nc)SU(Nc)SU(2)SU(3)SU(3)
color
Starting point
P5 Kohtaroh Miura, Talk in Lattice ‘07 on 070803
Lattice QCD action(1 species of staggered fermion)
strong coupling limit
TemperatureAnti-periodic boundary condition for fermionsTemporal gauge for gluons:
c.f. Hasenfratz-Karsch(‘83)
Introduction of chiral cond.1/d expansion
Auxiliary Field (Chiral condensate)
P6 Kohtaroh Miura, Talk in Lattice ‘07 on 070803
Quark integral
Quark propagator
Derivation of meson mass I
P7 Kohtaroh Miura, Talk in Lattice ‘07 on 070803
SU(Nc) one link integralFaldt, Petersson (1986)
Differentiateby chiral condensate
Color SU(Nc) matrixQuark hopping in t-direction
Derivation of meson mass II
P8 Kohtaroh Miura, Talk in Lattice ‘07 on 070803
Equilibrium of “B”
Coefficient of (fluctuation)^2
c.f. Kluberg-Stern et al. (1983) for (T, mu)=0 systems