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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
We review studies of QCD thermodynamics by lattice QCD simulations with dynamical Wilson quarks. After explaining the basic properties of QCD with Wilson quarks at finite temperature including the phase structure and the scaling properties around the chiral phase transition, we discuss the critical temperature, the equation of state and heavy-quark free energies.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
We review studies of QCD thermodynamics by lattice QCD simulations with dynamical Wilson quarks. After explaining the basic properties of QCD with Wilson quarks at finite temperature including the phase structure and the scaling properties around the chiral phase transition, we discuss the critical temperature, the equation of state and heavy-quark free energies.
Author: Y. MAEZAWA Publisher: ISBN: Category : Languages : en Pages :
Book Description
The authors report the current status of the systematic studies of the QCD thermodynamics by lattice QCD simulations with two flavors of improved Wilson quarks. They evaluate the critical temperature of two flavor QCD in the chiral limit at zero chemical potential and show the preliminary result. Also they discuss fluctuations at none-zero temperature and density by calculating the quark number and isospin susceptibilities and their derivatives with respect to chemical potential.
Author: Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
N{sub f} = 2 lattice QCD with massless quarks and a weak 4-fermion interaction appears to have the expected second order transition, at least for N{sub t} ≥ 6. More work is needed to clarify the N{sub t} = 4 case. With more statistics the N{sub t} = 6 simulations should produce an accurate determination of the critical exponent [beta]{sub m}. Moving to finite mass at [beta] = [beta]{sub c} should allow an accurate determination of [sigma]. Hadronic screening masses need further analysis. Other order parameters remain to be analyzed. Unfortunately, there is no obvious way to include 4-fermion interactions with full SU(2) x SU(2) chiral flavor symmetry.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
Simulations of Lattice QCD with 4 flavors of light staggered quarks (m = .025) were performed on a 123 x 4 lattice, confirming the first order nature of the transition. Lattice QCD with a light isodoublet of staggered quarks (m = .0125), and a heavier singlet (m = .25) was studied, also on a 123 x 4 lattice. The order of the transition was less clear. Improved glueball wavefunctions have been used to study glueball spectra in theories incorporating dynamical quarks. 10 refs., 3 figs.
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Author: Y. MAEZAWA
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Author: K. Jansen
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Author: Karl Jansen
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Author: Andreas Peikert
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