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Related papers: Helical magnetic effect and the chiral anomaly

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In condensed matter physics, the term "chiral anomaly" implies the violation of the separate number conservation laws of Weyl fermions of different chiralities in the presence of parallel electric and magnetic fields. One effect of chiral…

Mesoscale and Nanoscale Physics · Physics 2024-03-12 S. Nandy , Gargee Sharma , A. Taraphder , Sumanta Tewari

We study the electrodynamics of a chiral medium with electric and magnetic charges using the effective Maxwell-Chern-Simons theory extended to include the magnetic current. The exchange of helicity between the chiral medium and the magnetic…

High Energy Physics - Phenomenology · Physics 2017-12-12 Yang Li , Kirill Tuchin

Chirality of matter can produce unique responses in optics, electricity and magnetism. In particular, magnetic crystals transmit their handedness to the magnetism via antisymmetric exchange interaction of relativistic origin, producing…

Strongly Correlated Electrons · Physics 2018-02-07 T. Yokouchi , N. Kanazawa , A. Kikkawa , D. Morikawa , K. Shibata , T. Arima , Y. Taguchi , F. Kagawa , Y. Tokura

Relativistic heavy-ion collisions provide an ideal environment to study the emergent phenomena in quantum chromodynamics (QCD). The chiral magnetic effect (CME) is one of the most interesting, arising from the topological charge…

Nuclear Experiment · Physics 2018-05-11 Jie Zhao

Anomaly-induced transport phenomena in presence of strong external electromagnetic fields are explored within a 4D field theory defined holographically as $U(1)_V\times U(1)_A$ Maxwell-Chern-Simons theory in Schwarzschild-$AdS_5$. Two…

High Energy Physics - Theory · Physics 2019-06-05 Yanyan Bu , Tuna Demircik , Michael Lublinsky

In this paper a pair of observables are proposed as alternative ways, by examining the fluctuation of net momentum-ordering of charged pairs, to study the charge separation induced by the Chiral Magnetic Effect (CME) in relativistic heavy…

Nuclear Experiment · Physics 2020-06-24 A. H. Tang

Chiral orbital currents (COC) underpin a novel colossal magnetoresistance (CMR) in ferrimagnetic Mn3Si2Te6 [1]. Here we report the Hall effect in the COC state which exhibits the following unprecedented features: (1) A sharp,…

Strongly Correlated Electrons · Physics 2024-04-30 Yu Zhang , Yifei Ni , Pedro Schlottmann , Rahul Nandkishore , Lance E. DeLong , Gang Cao

The search for the chiral magnetic effect (CME) has been a subject of great interest in the field of high-energy heavy-ion collision physics, and various observables have been proposed to probe the CME. Experimental observables are often…

Nuclear Theory · Physics 2022-01-05 Ryan Milton , Gang Wang , Maria Sergeeva , Shuzhe Shi , Jinfeng Liao , Huan Zhong Huang

The interplay of the chiral anomaly and the strong magnetic field ($\sim$ 10$^{15}$ T) created in heavy-ion collisions could give rise to a collective excitation in the quark--gluon plasma called the Chiral Magnetic Wave (CMW). This effect…

Nuclear Experiment · Physics 2023-03-22 Wenya Wu

Anomalous Hall effect (AHE), one of the most important electronic transport phenomena, generally appears in ferromagnetic materials but is rare in materials without magnetic elements. Here, we present a study of La$_3$MgBi$_5$, whose band…

The chiral magnetic effect (CME) and the chiral vortical effect (CVE) induce a correlation between baryon and electric currents. We show that this correlation can be detected using a new observable: a mixed baryon-electric charge…

Nuclear Theory · Physics 2024-02-13 David Frenklakh , Dmitri E. Kharzeev , Andrea Palermo

We study the magneto response with non-conserved currents in Holography. Non-conserved currents are dual to massive vector fields in AdS. We introduce the mass in a gauge invariant way via the St\"uckelberg mechanism. In particular we find…

High Energy Physics - Theory · Physics 2014-12-17 Amadeo Jimenez-Alba , Karl Landsteiner , Luis Melgar

The hot and dense medium produced in relativistic heavy-ion collisions has been conjectured to be accompanied by an axial charge asymmetry that may lead to a separation of electric charges in the direction of the extremely strong magnetic…

Nuclear Experiment · Physics 2022-02-16 Yu Hu

In high-energy heavy-ion collisions, the chiral magnetic effect (CME) is predicted to arise from the interplay between the chirality imbalance of quarks in the nuclear medium and the intense magnetic field, and will cause a charge…

Nuclear Theory · Physics 2023-03-22 Diyu Shen , Jinhui Chen , Aihong Tang , Gang Wang

We theoretically investigate the anomalous Hall effect (AHE) that requires neither a net magnetization nor an external magnetic field in collinear antiferromagnets. We show that such an emergent AHE is essentially caused by a ferroic…

Strongly Correlated Electrons · Physics 2021-06-02 Satoru Hayami , Hiroaki Kusunose

Magnetic field is unstable in a medium with time-independent chiral conductivity. Owing to the chiral anomaly, the electromagnetic field and the medium exchange helicity which results in time-evolution of the chiral conductivity. Using the…

Nuclear Theory · Physics 2018-03-14 Kirill Tuchin

We present a novel perspective to characterize the chiral magnetic and related effects in terms of angular decomposed modes. We find that the vector current and the chirality density are connected through a surprisingly simple relation for…

High Energy Physics - Phenomenology · Physics 2020-07-31 Kenji Fukushima , Takuya Shimazaki , Lingxiao Wang

Charge-dependent two- and three-particle correlations measured in Xe-Xe collisions at $\sqrt{s_{\mathrm{NN}}} = 5.44$ TeV are presented. Results are obtained for charged particles in the pseudorapidity range $|\eta|<0.8$ and transverse…

Nuclear Experiment · Physics 2024-09-30 ALICE Collaboration

The planar Hall effect (PHE), the appearance of an in-plane transverse voltage in the presence of co-planar electric ($\mathbf{E}$) and magnetic ($\mathbf{B}$) fields, occurs in regular Weyl semimetals (WSMs) as one of the fundamental…

Strongly Correlated Electrons · Physics 2020-09-23 Suvendu Ghosh , Debabrata Sinha , Snehasish Nandy , A. Taraphder

We study the evolution of magnetic fields coupled with chiral fermion asymmetry in the framework of chiral magnetohydrodynamics with zero initial total chirality. The initial magnetic field has a turbulent spectrum peaking at a certain…

High Energy Physics - Phenomenology · Physics 2023-10-02 Axel Brandenburg , Kohei Kamada , Kyohei Mukaida , Kai Schmitz , Jennifer Schober
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