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Related papers: Chiral pair fluctuations for the inhomogeneous chi…

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Chiral pair fluctuation are considered near the phase boundary of the inhomogeneous chiral phase (iCP). The fluctuations are then bosonized and an effective action for the chiral pair fluctuation is basically constructed by considering the…

High Energy Physics - Phenomenology · Physics 2017-02-28 T. Tatsumi , R. Yoshiike , T. -G. Lee

Recent development of inhomogeneous chiral phase in Kyoto group is briefly reviewed. First, the nesting effect of the Fermi surface is emphasized as a key mechanism leading to inhomogeneous chiral phase. After introduction of inhomogeneous…

High Energy Physics - Phenomenology · Physics 2018-02-14 Toshitaka Tatsumi

We discuss the influence of fluctuations on thermodynamics near the chiral phase transition within Polyakov loop extended quark--meson model based on the functional renormalization group (FRG) method. We include the gluon fields in the FRG…

High Energy Physics - Phenomenology · Physics 2011-03-10 K. Redlich , B. Friman , V. Skokov

The role of the axial anomaly in the chiral phase transition at finite temperature and quark chemical potential is investigated within a non-perturbative functional renormalization group approach. The flow equation for the grand potential…

High Energy Physics - Phenomenology · Physics 2014-04-25 Mario Mitter , Bernd-Jochen Schaefer

In this contribution the role of quantum fluctuations for the QCD phase diagram is discussed. This concerns in particular the importance of the matter back-reaction to the gluonic sector. The impact of these fluctuations on the location of…

High Energy Physics - Phenomenology · Physics 2015-05-27 Bernd-Jochen Schaefer

We consider an approximation procedure to evaluate the finite-temperature one-loop fermionic density in the presence of a chiral background field which systematically incorporates effects from inhomogeneities in the chiral field through a…

High Energy Physics - Phenomenology · Physics 2009-11-11 Bruno G. Taketani , Eduardo S. Fraga

We consider the thermodynamics of chiral models in the mean-field approximation and discuss the relevance of the (frequently omitted) fermion vacuum loop. Within the chiral quark-meson model and its Polyakov loop extended version, we show…

High Energy Physics - Phenomenology · Physics 2014-11-21 V. Skokov , B. Friman , E. Nakano , K. Redlich , B. -J. Schaefer

The inhomogeneous chiral phase is discussed in QCD at finite temperature and/or density. We study the phase diagram on the density-temperature plane by taking into account the effect of the current mass by a variational method. It is…

High Energy Physics - Phenomenology · Physics 2013-07-25 S. Karasawa , T. Tatsumi

Density fluctuations of intranuclear matter suffering collisions with projectile particles are capable to turn into multiquark clusters with chiral symmetry restored. Theoretical analysis of these processes requires an additional taking…

High Energy Physics - Phenomenology · Physics 2015-05-30 Boris Kostenko , Jan Pribiš

The phase structure of baryonic matter is investigated with focus on the role of fluctuations beyond the mean-field approximation. The prototype test case studied is the chiral nucleon-meson model, with added comments on the chiral…

Nuclear Theory · Physics 2021-08-04 Len Brandes , Norbert Kaiser , Wolfram Weise

We discuss the phase structure and thermodynamics of QCD by means of dynamical chiral effective models. Quark and meson fluctuations are included via the functional renormalization group. We study the influence of confinement in addition to…

High Energy Physics - Phenomenology · Physics 2013-07-18 Tina K. Herbst , Jan M. Pawlowski , Bernd-Jochen Schaefer

Finite-volume modifications of the two-flavor chiral phase diagram are investigated within an effective quark-meson model in various mean-field approximations. The role of vacuum fluctuations and boundary conditions, their influence on…

High Energy Physics - Phenomenology · Physics 2016-11-14 Ana Juričić , Bernd-Jochen Schaefer

Based on an effective QCD Lagrangian we discuss the properties of charge density fluctuations in the vicinity of chiral phase transition. We explore thermodynamics in the presence of spinodal phase separation. We show that appearance of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Redlich , B. Friman , C. Sasaki

A variety of analytical techniques suggest that quantum fluctuations lead to a fundamental instability of the Fermi liquid that drives ferromagnetic transitions first order at low temperatures. We present both analytical and numerical…

Strongly Correlated Electrons · Physics 2015-05-13 G. J. Conduit , A. G. Green , B. D. Simons

According to a fluid dynamic expansion of the fireball we investigate how the inhomogeneity of the system influences the chiral phase transition of QCD. We compare the averaged values of the order parameter in equilibrium with that of a…

Nuclear Theory · Physics 2015-06-12 Marlene Nahrgang , Christoph Herold , Marcus Bleicher

We study the thermodynamic curvature, $R$, around the chiral phase transition at finite temperature and chemical potential, within the quark-meson model augmented with meson fluctuations. We study the effect of the fluctuations, pions and…

High Energy Physics - Phenomenology · Physics 2021-01-04 Paolo Castorina , Daniele Lanteri , Marco Ruggieri

The characteristics of the chiral phase transition are analyzed within the framework of chiral quark models with nonlocal interactions in the mean field approximation. In the chiral limit, we develop a semi-analytic framework which allows…

High Energy Physics - Phenomenology · Physics 2009-11-10 D. Gomez Dumm , N. N. Scoccola

We discuss the kinetics of phase conversion, through the nucleation of bubbles and spinodal decomposition, after a chiral transition within an effective field theory approach to low-energy QCD. We study possible effects resulting from the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Eduardo S. Fraga

Based on the analogy between the Nambu--Jona-Lasinio model of chiral symmetry breaking and the BCS theory of superconductivity, we investigate the effect of $\bar q q$ pair fluctuations on the chiral phase transition. We include uncondensed…

High Energy Physics - Phenomenology · Physics 2007-09-19 Lianyi He , Pengfei Zhuang

We study the effect of quantum and thermal fluctuations as well as the mass dependence of the phase structure of QCD at finite temperature and density within a dynamical Polyakov-loop--extended quark-meson model. The glue dynamics is…

High Energy Physics - Phenomenology · Physics 2012-02-06 Tina Katharina Herbst , Jan M. Pawlowski , Bernd-Jochen Schaefer
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