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Isobaric $^{96}_{44}$Ru+$^{96}_{44}$Ru and $^{96}_{40}$Zr+$^{96}_{40}$Zr collisions at $\sqrt{s_{_{NN}}}=200$ GeV have been conducted at the Relativistic Heavy Ion Collider to circumvent the large flow-induced background in searching for…

核实验 · 物理学 2021-08-03 Yicheng Feng , Yufu Lin , Jie Zhao , Fuqiang Wang

In the chiral magnetic effect, there is a competition between a strong magnetic field, which tends to project positively charged particles to have spin aligned along the magnetic field, and a chirality imbalance which may be produced…

高能物理 - 理论 · 物理学 2012-05-15 Gokce Basar , Gerald V. Dunne , Dmitri E. Kharzeev

We employ a 3+1D anomalous hydrodynamics with initial condition generated by HIJING to simulate the chiral vortical effect and the chiral magnetic effect in heavy-ion collisions. This allows us to calculate the charge-dependent two-particle…

核理论 · 物理学 2017-09-28 Xingyu Guo , Dmitri E. Kharzeev , Xu-Guang Huang , Wei-Tian Deng , Yuji Hirono

In this paper we investigate the chiral magnetic effect (CME): the generation of an electric current due to a homogeneous background magnetic field and a homogeneous chiral imbalance in QCD. We demonstrate that the leading coefficient…

高能物理 - 格点 · 物理学 2024-10-17 Bastian B. Brandt , Gergely Endrődi , Eduardo Garnacho-Velasco , Gergely Markó

We study the current of chiral charge density in a Dirac semimetal with two Dirac points in momentum space, subjected to an externally applied time dependent electric field and in the presence of a magnetic field. Based on the kinetic…

介观与纳米尺度物理 · 物理学 2018-12-06 Alexander A. Zyuzin , M. Silaev , Vladimir A. Zyuzin

We utilize the chiral kinetic theory in a relaxation-time approximation to investigate the nonlinear anomalous responses of chiral fluids with viscous effects. Unlike the cases in equilibrium, it is found that the chiral magnetic effect and…

高能物理 - 理论 · 物理学 2018-08-01 Yoshimasa Hidaka , Di-Lun Yang

Through analyzing the quark propagator under the magnetic field, we establish that the axial anomaly originates from an additional Dirac structure in quark propagator induced by the magnetic field. This Dirac structure also allows one to…

高能物理 - 理论 · 物理学 2026-04-28 Fei Gao , Yi Lu , Minghui Ding , Xinyang Wang , Yuxin Liu

The correlation between net baryon number and electric charge, $\chi_{11}^{\rm BQ}$, can serve as a magnetometer of QCD. This is demonstrated by lattice QCD computations using the highly improved staggered quarks with physical pion mass of…

高能物理 - 格点 · 物理学 2024-05-17 Heng-Tong Ding , Jin-Biao Gu , Arpith Kumar , Sheng-Tai Li , Jun-Hong Liu

Large magnetic fields exist in magnetars and are produced in off-central heavy-ion collisions. For the latter, field strengths are estimated to be comparable to strong interaction scales. This fact has motivated many studies of QCD physics…

高能物理 - 唯象学 · 物理学 2024-08-20 Prabal Adhikari , Brian C. Tiburzi

We point out that there is a difference between the behavior of fermionic systems (and their holographic analogs) in a background axial vector field, on the one hand, and at finite chiral chemical potential, on the other. In the former…

高能物理 - 唯象学 · 物理学 2010-05-12 V. A. Rubakov

The standard chiral perturbation theory is known to predict much weaker effects in magnetic field, than found in numerical lattice data. To overcome this disagreement we are using the effective chiral confinement Lagrangian, $L_{ECCL}$,…

高能物理 - 唯象学 · 物理学 2018-12-05 M. A. Andreichikov , Yu. A. Simonov

A possible experimental observation of the chiral magnetic effect in heavy ion collisions at RHIC was recently reported by the STAR Collaboration. We study signatures of this effect in SU(2) lattice gluodynamics with the chirally invariant…

高能物理 - 格点 · 物理学 2010-11-05 P. V. Buividovich , M. N. Chernodub , E. V. Luschevskaya , M. I. Polikarpov

Quantum Chromodynamics (QCD) predicts that topological charge changing transitions will take place in hot quark matter. Such transitions induce P- and CP-violating effects. We will show that in the presence of a magnetic field these…

高能物理 - 唯象学 · 物理学 2008-11-26 Harmen J. Warringa

We develop an approach to chiral kinetic theories for electrons close to equilibrium and neutrinos away from equilibrium based on a systematic power counting scheme for different timescales of electromagnetic and weak interactions. Under…

高能物理 - 唯象学 · 物理学 2023-07-11 Naoki Yamamoto , Di-Lun Yang

We compute the electric conductivity of quark matter at finite temperature $T$ and quark chemical potential $\mu$ under a magnetic field $B$ beyond the Lowest Landau level approximation. The electric conductivity transverse to $B$ is…

高能物理 - 唯象学 · 物理学 2018-04-25 Kenji Fukushima , Yoshimasa Hidaka

We derive bounds on the electric and chromo-electric dipole moments of the charm quark. The second one turns out to be particularly strong, and we quantify its impact on models that allow for a sizeable flavour violation in the up quark…

高能物理 - 唯象学 · 物理学 2015-06-18 Filippo Sala

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…

高能物理 - 唯象学 · 物理学 2021-08-06 Jewel K. Ghosh , Sebastian Grieninger , Karl Landsteiner , Sergio Morales-Tejera

The energy dependence of the local ${\cal P}$ and ${\cal CP}$ violation in Au+Au and Cu+Cu collisions in a large energy range is estimated within a simple phenomenological model. It is expected that at LHC the chiral magnetic effect will be…

核理论 · 物理学 2017-08-23 V. Toneev , V. Voronyuk

We formulate a linear response theory of the chiral magnetic effect in a finite Weyl semimetal, expressing the electrical current density $j$ induced by a slowly oscillating magnetic field $B$ or chiral chemical potential $\mu$ in terms of…

介观与纳米尺度物理 · 物理学 2016-04-15 P. Baireuther , J. A. Hutasoit , J. Tworzydło , C. W. J. Beenakker

We extend our recent study of chiral magnetic effect in relativistic heavy ion collisions based on an anomalous transport model by including also the chiral vortical effect. We find that although vorticities in the chirally restored quark…

核理论 · 物理学 2017-03-29 Yifeng Sun , Che Ming Ko