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We review derivations of the chiral magnetic effect (ChME) in hydrodynamic approximation. The reader is assumed to be familiar with the basics of the effect. The main challenge now is to account for the strong interactions between the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Valentin I. Zakharov

The nonlinear transport features of inhomogeneous chiral plasma in the presence of electromagnetic fields, in rotating coordinates are studied within the relaxation time approach. The chiral distribution functions up to second order in the…

High Energy Physics - Theory · Physics 2017-08-30 Omer F. Dayi , Eda Kilincarslan

We describe a new type of the Chiral Magnetic Effect (CME) that should occur in Weyl semimetals with an asymmetry in the dispersion relations of the left- and right-handed chiral Weyl fermions. In such materials, time-dependent pumping of…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 Dmitri Kharzeev , Yuta Kikuchi , Rene Meyer

We study the noncommutativity of different orders of zero energy-momentum limit pertaining to the axial chemical potential in the chiral magnetic effect. While this noncommutativity issue originates from the pinching singularity at one-loop…

High Energy Physics - Phenomenology · Physics 2021-03-10 Bo Feng , De-fu Hou , Hai-cang Ren , Shuai Yuan

We propose a possible new mechanism for a strong and stable magnetic field of compact stars due to an instability in the presence of a chirality imbalance of electrons---the chiral plasma instability. A large chirality imbalance of…

High Energy Astrophysical Phenomena · Physics 2014-02-24 Akira Ohnishi , Naoki Yamamoto

Chiral dynamo converting asymmetry between right and left-handed leptons in the early universe into helical magnetic field has been proposed as a possible cosmological magnetogenesis scenario. We show that this mechanism is strongly…

High Energy Physics - Phenomenology · Physics 2020-10-27 A. Neronov , D. Semikoz

Chirality is a ubiquitous concept in modern science, from particle physics to biology. In quantum physics, chirality of fermions is linked to topology of gauge fields by the chiral anomaly. While the chiral anomaly is usually associated…

High Energy Physics - Phenomenology · Physics 2022-04-26 Dmitri E. Kharzeev

The chiral plasma instability (CPI) has been invoked as a possible mechanism for generating primordial magnetic fields in the universe and ultrastrong fields in neutron stars. We investigate chiral dynamos where the chirality imbalance is…

High Energy Astrophysical Phenomena · Physics 2026-05-12 Valentin A. Skoutnev , Andrei M. Beloborodov

Matter with chiral fermions is microscopically described by theory with quantum anomaly and macroscopically described (at low energy) by anomalous hydrodynamics. For such systems in the presence of external magnetic field and chirality…

Nuclear Theory · Physics 2016-03-10 Yi Yin , Jinfeng Liao

We analyze the combined effects of hydrodynamic fluctuations and chiral magnetic effect (CME) for a chiral medium in the presence of a background magnetic field. Based on the recently developed non-equilibrium effective field theory, we…

High Energy Physics - Theory · Physics 2021-09-24 Noriyuki Sogabe , Naoki Yamamoto , Yi Yin

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

In helical hydromagnetic turbulence with an imposed magnetic field (which is constant in space and time) the magnetic helicity of the field within a periodic domain is no longer an invariant of the ideal equations. Alternatively, there is a…

Astrophysics · Physics 2009-11-07 Axel Brandenburg , William H. Matthaeus

Based on a holographic far-from-equilibrium calculation of the chiral magnetic effect~(CME) in an expanding quark gluon plasma, we study collisions at various energies. We compute the time evolution of the CME current in the presence of a…

High Energy Physics - Phenomenology · Physics 2022-03-23 Casey Cartwright , Matthias Kaminski , Bjoern Schenke

We report on a mean-field study of spontaneous breaking of chiral symmetry for Dirac fermions with contact interactions in the presence of chiral imbalance, which is modelled by nonzero chiral chemical potential. We point out that chiral…

High Energy Physics - Theory · Physics 2015-01-22 P. V. Buividovich

Inspired by recent discussions of inverse magnetic catalysis in the literature, we examine the effects of a uniform external magnetic field on the chiral phase transition in quenched ladder QED at nonzero chemical potential. In particular,…

High Energy Physics - Phenomenology · Physics 2013-08-01 W. -C. Syu , D. -S. Lee , C. N. Leung

The fermion self-energy is calculated for a cold QED plasma with chiral chemical potential in a magnetic field. It is found that a momentum shift parameter dynamically generated in such a plasma leads to a modification of the chiral…

Nuclear Theory · Physics 2016-12-21 D. O. Rybalka

Evidence for a parity-breaking nature of the magnetic buoyancy instability in a stably stratified gas is reported. In the absence of rotation, no helicity is produced, but the non-helical state is found to be unstable to small helical…

Solar and Stellar Astrophysics · Physics 2011-08-25 Piyali Chatterjee , Dhrubaditya Mitra , Axel Brandenburg , Matthias Rheinhardt

We study the evolution of magnetic fields in freely decaying magnetohydrodynamic turbulence. By quasi-linearizing the Navier-Stokes equation, we solve analytically the induction equation in quasi-normal approximation. We find that, if the…

Astrophysics · Physics 2009-06-23 Leonardo Campanelli

It depends: While we find within holography that the lifetime of the magnetic field for collider energies like the ones achieved at RHIC is long enough to build up the chiral magnetic current, the lifetime of the magnetic field at LHC seems…

High Energy Physics - Phenomenology · Physics 2021-08-06 Jewel K. Ghosh , Sebastian Grieninger , Karl Landsteiner , Sergio Morales-Tejera

Gravitational counterpart of the chiral magnetic effect, which is referred as the chiral gravitational effect, can also be of interest in a cosmological setup. In this study, we investigate this effect in the time-dependent chiral…

High Energy Physics - Phenomenology · Physics 2021-11-18 Kohei Kamada , Jun'ya Kume , Yusuke Yamada
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