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We discuss scalar mesons properties on the light of chiral dynamics. Considering them as the chiral partners of pseudo-scalar mesons we propose an explanation to their unusual properties based on non-trivial vacuum effects coming from the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Mauro Napsuciale

In previous publications we have analyzed the strong and electromagnetic decays of heavy mesons and heavy baryons in a formalism which incorporates heavy-quark and chiral symmetries. There are two possible symmetry-breaking effects on the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Hai-Yang Cheng , Chi-Yee Cheung , Guey-Lin Lin , Y. C. Lin , Tung-Mow Yan , Hoi-Lai Yu

The presence of a strong magnetic background can modify the nature and the dynamics of the chiral phase transition at finite temperature: for high enough magnetic fields, comparable to the ones expected to be created in noncentral…

High Energy Physics - Phenomenology · Physics 2009-11-13 Eduardo S. Fraga , Ana Júlia Mizher

Recent developments in calculations of low energy nucleon properties utilizing effective chiral field theories with explicit spin 3/2 matter fields are presented. In particular, the role of Delta resonances in microscopic calculations of…

Nuclear Theory · Physics 2017-08-23 Thomas R. Hemmert

In the standard model of particle physics, the chiral anomaly can occur in relativistic plasmas and plays a role in the early Universe, protoneutron stars, heavy-ion collisions, and quantum materials. It gives rise to a magnetic instability…

Plasma Physics · Physics 2024-02-07 Jennifer Schober , Igor Rogachevskii , Axel Brandenburg

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

We study coefficients of axial chiral vortical effect and chiral separation effect at finite temperature and vector chemical potential in massive theories. We present two independent methods of calculating the coefficients: one from field…

Nuclear Theory · Physics 2018-12-26 Shu Lin , Lixin Yang

The correlations of electric currents in hot non-Abelian plasma are responsible for the experimental manifestations of the chiral magnetic effect (CME) in heavy-ion collisions. We evaluate these correlations using holography, and show that…

High Energy Physics - Phenomenology · Physics 2023-12-19 Sebastian Grieninger , Dmitri E. Kharzeev

We study the frequency dependence of all the chiral vortical and magnetic conductivities for a relativistic gas of free chiral fermions and for a strongly coupled conformal field theory with holographic dual in four dimensions. Both systems…

High Energy Physics - Phenomenology · Physics 2014-10-01 Karl Landsteiner , Eugenio Megias , Francisco Peña Benítez

The microscopic quantum nature of elementary particles, chirality, leads to macroscopic phenomena like the chiral anomaly, chiral magnetic effect, and chiral plasma instability. We review recent progress of the studies of these chiral…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-22 Kohei Kamada , Naoki Yamamoto , Di-Lun Yang

The properties of the scalar and vector correlations in the hot and/or dense hadronic matter close to chiral transition are discussed. Presuming that the linear realization of chiral symmetry will become appropriate at least near the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Teiji Kunihiro

The energy dependence of observable two particle correlator in search for the local strong parity violation in Au+Au collisions is estimated within a simple phenomenological model. The model reproduces available RHIC data but at LHC…

Nuclear Theory · Physics 2011-11-29 V. D. Toneev , V. Voronyuk

We study microscopic processes responsible for chirality flips in the thermal bath of Quantum Chromodynamics at finite temperature and zero baryon chemical potential. We focus on the temperature range where the crossover from chirally…

High Energy Physics - Phenomenology · Physics 2016-09-21 M. Ruggieri , G. X. Peng , M. Chernodub

Hadronic correlation functions at finite temperature in QCD, with four flavours of dynamical quarks, have been analyzed both above and below the chiral symmetry restoration temperature. We have used both point and extended sources for…

High Energy Physics - Lattice · Physics 2009-10-22 G. Boyd , Sourendu Gupta , F. Karsch , E. Laermann

We present a real-time lattice approach to study the non-equilibrium dynamics of vector and axial charges in $SU(N) \times U(1)$ gauge theories. Based on a classical description of the non-Abelian and Abelian gauge fields, we include…

High Energy Physics - Lattice · Physics 2017-03-03 Mark Mace , Niklas Mueller , Sören Schlichting , Sayantan Sharma

The chiral magnetic effect is a phenomenon where an electromagnetic current is generated along a magnetic field. Recently, in nonequilibrium systems, negative longitudinal magnetoresistance has been observed experimentally in Dirac/Weyl…

Mesoscale and Nanoscale Physics · Physics 2017-04-18 Yohei Ibe , Hiroaki Sumiyoshi

My personal views of the Chiral Magnetic Effect are presented, which starts with a story about how we came up with the electric-current formula and continues to unsettled subtleties in the formula. There are desirable features in the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Kenji Fukushima

The recent lattice calculation at finite axial chemical potential suggests that the induced current density of the chiral magnetic effect (CME) is somehow suppressed comparing with the standard analytical formula. We show in a NJL-type…

High Energy Physics - Phenomenology · Physics 2012-06-26 Zhao Zhang

We analyze hyperon and nucleon mass shifts in nuclear matter using chiral perturbation theory. Expressions for the mass shifts that include strong interaction effects at leading order in the density are derived. Corrections to our results…

High Energy Physics - Phenomenology · Physics 2009-10-28 Martin J. Savage , Mark B. Wise

We study a relativistic spin-1/2 fermion subjected to a Dirac oscillator coupling and a constant magnetic field. An interplay between opposed chirality interactions culminates in the appearance of a relativistic quantum phase transition,…

Quantum Physics · Physics 2009-11-13 A. Bermudez , M. A. Martin-Delgado , A. Luis
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