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Related papers: Chiral gravitational effect in time-dependent back…

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We extend previous holographic studies of the Chiral Magnetic Effect (CME) by incorporating a time-dependent magnetic field. Various magnetic field profiles proposed in the literature are implemented, and their impact on the CME signal is…

High Energy Physics - Phenomenology · Physics 2025-03-14 Sebastian Grieninger , Sergio Morales-Tejera , Pau G. Romeu

Relic gravitational waves (GWs) can be produced by primordial magnetic fields. However, not much is known about the resulting GW amplitudes and their dependence on the details of the generation mechanism. Here we treat magnetic field…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-23 Axel Brandenburg , Yutong He , Tina Kahniashvili , Matthias Rheinhardt , Jennifer Schober

Electromagnetism in spacetime can be treated in terms of an analogue linear dielectric medium. In this paper, we discuss the gravitational analogue of the linear magnetoelectric effect, which can be found in multiferroic materials. While…

General Relativity and Quantum Cosmology · Physics 2019-03-04 Gary W. Gibbons , Marcus C. Werner

Frequency-dependent gravitational lens effects are found for trajectories of electromagnetic rays passing through a distribution of plasma near a massive object. Ray propagation through plasma adds extra terms to the equations of motion…

General Relativity and Quantum Cosmology · Physics 2016-11-02 Adam Rogers

The quark-gluon plasma formed in heavy ion collisions contains charged chiral fermions evolving in an external magnetic field. At finite density of electric charge or baryon number (resulting either from nuclear stopping or from…

High Energy Physics - Phenomenology · Physics 2012-08-14 Y. Burnier , D. E. Kharzeev , J. Liao , H. -U. Yee

We review recent progress on the lattice simulations of the chiral magnetic effect. There are two different approaches to analyze the chiral magnetic effect on the lattice. In one approach, the charge density distribution or the current…

High Energy Physics - Lattice · Physics 2015-06-05 Arata Yamamoto

The chiral anomaly is based on a non-conserved chiral charge and can happen in Dirac fermion systems under the influence of external electromagnetic fields. In this case, the spectral flow leads to a transfer of right- to left-moving…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Christoph Fleckenstein , Niccolò Traverso Ziani , Björn Trauzettel

The cosmological memory effect is a permanent change in the relative separation of test particles located in a FLRW spacetime due to the passage of gravitational waves. In the case of a spatially flat FLRW spacetime filled with a perfect…

General Relativity and Quantum Cosmology · Physics 2022-07-20 Mohammad Ali Gorji , Taisuke Matsuda , Shinji Mukohyama

We elaborate the quasiclassical approach to obtain the modified chiral magnetic effect in the case when massless charged fermions interact with electromagnetic fields and the background matter by the electroweak forces. The derivation of…

High Energy Physics - Phenomenology · Physics 2018-03-16 Maxim Dvornikov , Victor B. Semikoz

When searching for anomalous chiral effects in heavy-ion collisions, one of the most crucial points is the relationship between the signal and the background. In this letter, we present a simulation in a modified blast wave model at LHC…

In conventional general relativity without torsion, high-frequency gravitational waves couple to the chiral number density of spin one-half quanta: the polarization of the waves is rotated by $2\pi N_5 {\ell_{\rm Pl}^2}$, where $N_5$ is the…

General Relativity and Quantum Cosmology · Physics 2016-12-14 Adam D. Helfer

Axions and axion-like particles can be probed through gravitational waves indirectly, often referred to as "audible axions". The usual concept of audible axion relies on the coupling between the axions and the gauge fields. Here we consider…

High Energy Physics - Phenomenology · Physics 2026-04-24 Baoyu Xu , Keyi Ding , Hong Su , Ju Chen , Yun-Long Zhang

Many-body systems with chiral fermions exhibit anomalous transport phenomena originated from quantum anomalies. Based on quantum field theory, we derive the kinetic theory for chiral fermions interacting with an external electromagnetic…

High Energy Physics - Theory · Physics 2019-05-08 Yu-Chen Liu , Lan-Lan Gao , Kazuya Mameda , Xu-Guang Huang

The Maxwell equations imply that, under the background of non-zero $\boldsymbol{B}$, varying $\theta$ term produces $\boldsymbol{E} \cdot \boldsymbol{B}$. An interesting example is the Witten effect where a magnetic monopole becomes a dyon…

High Energy Physics - Theory · Physics 2022-10-19 Yu Hamada , Ryuichiro Kitano , Ryutaro Matsudo , Kyohei Mukaida

Chiral magnetic effect is a quantum phenomenon that is breaking of chiral symmetry of relativistic Weyl fermions by quantum fluctuation under paralleled electric field E and magnetic field B. Intuitively, Weyl fermions with different…

Materials Science · Physics 2018-05-28 Yang-Yang Lv , Xiao Li , Bin Pang , Y. B. Chen , Shu-Hua Yao , Jian Zhou , Yan-Feng Chen

Chiral Magnetic Wave (CMW) is a gapless collective excitation of quark-gluon plasma in the presence of external magnetic field that stems from the interplay of Chiral Magnetic (CME) and Chiral Separation Effects (CSE); it is composed by the…

High Energy Physics - Phenomenology · Physics 2011-08-17 Yannis Burnier , Dmitri E. Kharzeev , Jinfeng Liao , Ho-Ung Yee

By making use of a simple model that captures the key features of the anomalous Maxwell equations, we study the role of inhomogeneities on the evolution of magnetic fields in a chiral plasma. We find that inhomogeneities of the chiral…

High Energy Physics - Phenomenology · Physics 2016-12-07 E. V. Gorbar , I. Rudenok , I. A. Shovkovy , S. Vilchinskii

The Chiral Magnetic Effect (CME) is a remarkable phenomenon that stems from highly nontrivial interplay of QCD chiral symmetry, axial anomaly, and gluonic topology. It is of fundamental importance to search for the CME in experiments. The…

Nuclear Theory · Physics 2016-11-23 Jinfeng Liao

Weyl particles exhibit chiral transport property under external curved space-time geometry. This effect is called chiral gravitational effect, which plays an important role in quantum field theory. However, the absence of real Weyl…

Applied Physics · Physics 2021-07-28 Hongwei Jia , Ruo-Yang Zhang , Wenlong Gao , Shuang Zhang , C. T. Chan

We study the gravitational wave memory effect in spacetimes related to flat space by a conformal transformation. The discussion is general but the gravitational wave length scale is assumed to be small compared with the background curvature…

General Relativity and Quantum Cosmology · Physics 2023-05-11 Niko Jokela , K. Kajantie , Miika Sarkkinen
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