scholarly journals Three-loop hard-thermal-loop perturbation theory thermodynamics at finite temperature and finite baryonic and isospin chemical potential

2016 ◽  
Vol 93 (5) ◽  
Author(s):  
Jens O. Andersen ◽  
Najmul Haque ◽  
Munshi G. Mustafa ◽  
Michael Strickland
Keyword(s):  
Perturbation Theory ◽  
Finite Temperature ◽  
Chemical Potential ◽  
Hard Thermal Loop

scholarly journals Two-loop hard thermal loop pressure at finite temperature and chemical potential

2013 ◽  
Vol 87 (10) ◽  
Author(s):  
Najmul Haque ◽  
Munshi G. Mustafa ◽  
Michael Strickland
Keyword(s):  
Finite Temperature ◽  
Chemical Potential ◽  
Hard Thermal Loop

PHASE DIAGRAM OF THE THREE DIMENSIONAL FOUR FERMI MODEL WITH FINITE N CORRECTIONS

2007 ◽  
Vol 16 (09) ◽  
pp. 2802-2805 ◽  
Author(s):  
JEAN-LOÏC KNEUR ◽  
MARCUS BENGHI PINTO ◽  
RUDNEI O. RAMOS ◽  
EDERSON STAUDT
Keyword(s):  
Phase Diagram ◽  
Free Energy ◽  
Perturbation Theory ◽  
Finite Temperature ◽  
Chemical Potential ◽  
Three Dimensional ◽  
Fermi Model ◽  
Analytical Results ◽  
Theory Technique ◽  
Gross Neveu Model

We study the phase diagram of the 3d massless Gross–Neveu model with different numbers of fermionic species, N. Using the Optimized Perturbation Theory technique, the free energy is evaluated at finite temperature and chemical potential. The analytical results allow us to calculate critical quantities for any value of N and, in the present work, we choose de values N = 1,3,4,10. In addition, we determine the evolution of the tricritical points, in the temperature versus chemical potential plane for these different values of N.

scholarly journals Three loop HTL perturbation theory at finite temperature and chemical potential

2014 ◽  
Vol 931 ◽  
pp. 841-845 ◽  
Author(s):  
Michael Strickland ◽  
Jens O. Andersen ◽  
Aritra Bandyopadhyay ◽  
Najmul Haque ◽  
Munshi G. Mustafa ◽  
...  
Keyword(s):  
Perturbation Theory ◽  
Finite Temperature ◽  
Chemical Potential

scholarly journals Three-loop pressure and susceptibility at finite temperature and density from hard-thermal-loop perturbation theory

2014 ◽  
Vol 89 (6) ◽  
Author(s):  
Najmul Haque ◽  
Jens O. Andersen ◽  
Munshi G. Mustafa ◽  
Michael Strickland ◽  
Nan Su
Keyword(s):  
Perturbation Theory ◽  
Finite Temperature ◽  
Hard Thermal Loop

Quark matter in the perturbation QCD model with a rapidly convergent matching-invariant running coupling

2017 ◽  
Vol 26 (06) ◽  
pp. 1750034 ◽  
Author(s):  
Jian-Feng Xu ◽  
Yan-An Luo ◽  
Lei Li ◽  
Guang-Xiong Peng
Keyword(s):  
Perturbation Theory ◽  
Infinite Number ◽  
Quark Matter ◽  
Chemical Potential ◽  
Maximum Mass ◽  
Solar Mass ◽  
Quark Stars ◽  
Dense Quark Matter ◽  
Subtraction Point ◽  
Running Coupling

The properties of dense quark matter are investigated in the perturbation theory with a rapidly convergent matching-invariant running coupling. The fast convergence is mainly due to the resummation of an infinite number of known logarithmic terms in a compact form. The only parameter in this model, the ratio of the renormalization subtraction point to the chemical potential, is restricted to be about 2.64 according to the Witten–Bodmer conjecture, which gives the maximum mass and the biggest radius of quark stars to be, respectively, two times the solar mass and 11.7[Formula: see text]km.

scholarly journals Finite Temperature QCD Sum Rules: A Review

2017 ◽  
Vol 2017 ◽  
pp. 1-24 ◽  
Author(s):  
Alejandro Ayala ◽  
C. A. Dominguez ◽  
M. Loewe
Keyword(s):  
Finite Temperature ◽  
Chemical Potential ◽  
Sum Rules ◽  
Light Quark ◽  
Axial Vector ◽  
Heavy Ion ◽  
Qcd Sum Rules ◽  
Rho Meson ◽  
Ion Collisions ◽  
Rule Method

The method of QCD sum rules at finite temperature is reviewed, with emphasis on recent results. These include predictions for the survival of charmonium and bottonium states, at and beyond the critical temperature for deconfinement, as later confirmed by lattice QCD simulations. Also included are determinations in the light-quark vector and axial-vector channels, allowing analysing the Weinberg sum rules and predicting the dimuon spectrum in heavy-ion collisions in the region of the rho-meson. Also, in this sector, the determination of the temperature behaviour of the up-down quark mass, together with the pion decay constant, will be described. Finally, an extension of the QCD sum rule method to incorporate finite baryon chemical potential is reviewed.

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