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The Weyl semimetal, due to a non-zero energy difference in the pair of Weyl nodes shows chiral magnetic effect(CME). This leads to a flow of dissipationless electric current along an applied magnetic field. Such a chiral magnetic effect in…

强关联电子 · 物理学 2017-04-06 Debanand Sa

In the presence of a momentum cutoff, effective theories seem unable to faithfully reproduce the so called chiral anomaly in the Standard Model. A novel prospect to overcome this related issue is discussed herein via the calculation of the…

高能物理 - 唯象学 · 物理学 2023-06-08 Hao Dang , Zanbin Xing , M. Atif Sultan , Khépani Raya , Lei Chang

We perform the first systematic study of the nonlinear electromagnetic currents induced by external electromagnetic field in quark-gluon plasma, both in the two cases that the inhomogeneity of electromagnetic field is small (large) so that…

高能物理 - 唯象学 · 物理学 2014-08-27 Daisuke Satow

The Multi-Phase Transport model, AMPT, and the Anomalous Viscous Fluid Dynamics model, AVFD, are used to assess a possible chiral-magnetically-driven charge separation ($\Delta S$) recently measured with the ${R_{\Psi_2}(\Delta S)}$…

核实验 · 物理学 2021-05-20 Roy A. Lacey , Niseem Magdy

Dirac and Weyl materials possess chiral fermions, which are characterized by nontrivial topology and large Berry curvature. Chiral fermions have nontrivial interactions with magnetic fields and light. In this work, we propose three…

介观与纳米尺度物理 · 物理学 2021-12-28 Sahal Kaushik

At high energies, the dynamics of a plasma with charged fermions can be described in terms of chiral magnetohydrodynamics. Using direct numerical simulations, we demonstrate that chiral magnetic waves (CMWs) can produce a chiral asymmetry…

等离子体物理 · 物理学 2024-08-13 Jennifer Schober , Igor Rogachevskii , Axel Brandenburg

The isobaric collision experiment at RHIC provides the unique opportunity to detect the possible signal of Chiral Magnetic Effect (CME) in heavy ion collisions. The idea is to contrast the correlation observables of the two colliding…

高能物理 - 唯象学 · 物理学 2019-02-20 Shuzhe Shi , Hui Zhang , Defu Hou , Jinfeng Liao

We propose a way to observe the chiral magnetic effect in non-centrosymmetric Weyl semimetals under the action of strong electric field, via the non-linear part of their I-V characteristic that is odd in the external magnetic field, or…

介观与纳米尺度物理 · 物理学 2021-01-04 S. Nandy , D. A. Pesin

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…

等离子体物理 · 物理学 2024-02-07 Jennifer Schober , Igor Rogachevskii , Axel Brandenburg

We compute synchrotron radiation from a plasma in which $P$- and $CP$-violating parameters, a chiral chemical potential and a chiral gradient, couple to fermions. To do this, we compute exact wavefunctions for the fermions in the presence…

高能物理 - 唯象学 · 物理学 2026-02-04 Jonathan D. Kroth , Kirill Tuchin

We investigate the chiral symmetry and its spontaneous breaking at finite temperature and in an external magnetic field with four-fermion interactions of different channels. Quantum and thermal fluctuations are included within the…

高能物理 - 唯象学 · 物理学 2017-10-25 Wei-jie Fu , Yu-xin Liu

Chiral Magnetic Effect (CME) is the macroscopic manifestation of the fundamental chiral anomaly in a many-body system of chiral fermions, and emerges as anomalous transport current in hydrodynamic framework. Experimental observation of CME…

核理论 · 物理学 2019-03-20 Shuzhe Shi , Yin Jiang , Elias Lilleskov , Jinfeng Liao

We consider the STU model as a gravity dual of a strongly-coupled plasma with multiple anomalous U(1) currents. In the bulk we add additional background gauge fields to include the effects of external electric and magnetic fields on the…

高能物理 - 理论 · 物理学 2011-07-21 Tigran Kalaydzhyan , Ingo Kirsch

Previous studies have shown that a gauge-invariant correlation function of two chromoelectric fields connected by a straight timelike adjoint Wilson line encodes crucial information about quark-gluon plasma (QGP) that determines the…

高能物理 - 唯象学 · 物理学 2023-06-16 Govert Nijs , Bruno Scheihing-Hitschfeld , Xiaojun Yao

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…

高能物理 - 唯象学 · 物理学 2012-06-26 Zhao Zhang

The chiral magnetic effect (CME) is a macroscopic transport effect resulting from the chiral anomaly. We review the recent progress in theoretical understanding the properties of chiral plasmas, in which the CME and other anomaly-induced…

高能物理 - 唯象学 · 物理学 2018-03-14 Yuji Hirono

Applying AdS/CFT correspondence, we study the effect of a constant magnetic field $\mathcal{B}$ on the drag force associated with a heavy quark moving through a strongly-coupled $\mathcal{N}=4$ supersymmetric Yang-Mills (SYM) plasma. The…

高能物理 - 理论 · 物理学 2018-02-28 Zi-qiang Zhang , Ke Ma , De-fu Hou

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…

高能物理 - 理论 · 物理学 2015-01-22 P. V. Buividovich

We analyze the spectra of non-chiral and chiral bifundamental mesons arising on intersecting D7-branes in $AdS_{5}\times S^{5}$. In the absence of magnetic flux on the curve of intersection, the spectrum is non-chiral, and the dual gauge…

高能物理 - 理论 · 物理学 2014-03-03 Liam McAllister , Paul McGuirk , John Stout

We set up the AdS/CFT correspondence for topologically massive gravity (TMG) in three dimensions. The first step in this procedure is to determine the appropriate fall off conditions at infinity. These cannot be fixed a priori as they…

高能物理 - 理论 · 物理学 2009-09-29 Kostas Skenderis , Marika Taylor , Balt C. van Rees