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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…

Plasma Physics · Physics 2024-02-07 Jennifer Schober , Igor Rogachevskii , Axel Brandenburg

Chiral symmetries in field theory are typically affected by an anomaly in the quantum theory. This anomaly emerges when one introduces an interaction with a Yang-Mills or gravitational background. Physical applications of this quantum…

General Relativity and Quantum Cosmology · Physics 2021-09-22 Adrian del Rio

By using the exact solutions of the Weyl equation in a constant magnetic field, the equal-time Wigner function for magnetized chiral plasma is derived. It is found that the dependence of the Wigner function on the component of momentum…

High Energy Physics - Phenomenology · Physics 2017-09-11 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy , P. O. Sukhachov

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…

Plasma Physics · Physics 2024-08-13 Jennifer Schober , Igor Rogachevskii , Axel Brandenburg

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

We investigate the gravitational anomaly vertex $\langle TTJ_5\rangle$ (graviton - graviton - axial current) under conditions of finite density and temperature. Through a direct analysis of perturbative contributions, we demonstrate that…

High Energy Physics - Theory · Physics 2024-04-10 Claudio Corianò , Mario Cretì , Stefano Lionetti , Riccardo Tommasi

We propose the gravitational analog of the chiroptical effect for the first time, demonstrating that gravitational waves (GWs) can induce a reversal of photon chirality through the exchange of angular momentum, namely the spin-2-gravitation…

General Relativity and Quantum Cosmology · Physics 2026-01-13 Haorong Wu , Xilong Fan

Partially chiral stochastic gravitational wave backgrounds can arise from various processes in the early Universe. The gravitational ABJ anomaly links the chirality of the gravitational field to the chiral fermions, resulting in the…

High Energy Physics - Phenomenology · Physics 2024-12-13 Azadeh Maleknejad

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

Gravitational chiral anomaly connects the topological charge of spacetime and the chirality of fermions. It has been known that the chirality is carried by the particles (or the excited states) and also by vacuum. While the gravitational…

High Energy Physics - Phenomenology · Physics 2025-06-26 Kohei Kamada , Jun'ya Kume

We study the gravitational lensing in the weak field approximation assuming the presence of a plasma and of a magnetic field around a compact gravitational source. The external magnetic field causes the split of the image, as the…

General Relativity and Quantum Cosmology · Physics 2020-02-19 Bobur Turimov , Bobomurat Ahmedov , Ahmadjon Abdujabbarov , Cosimo Bambi

Given that gravitational waves are the future probes of the universe, it is important to test various physical effects of these on matter. This article explores the first-order perturbation, caused by a planar gravitational wave, on…

General Relativity and Quantum Cosmology · Physics 2020-05-22 Siddhartha E. Morales G. , Arundhati Dasgupta

We describe consequences of the chiral anomaly in the theory of quantum wires, the (quantum) Hall effect, and of a four-dimensional cousin of the Hall effect. We explain which aspects of conductance quantization are related to the chiral…

High Energy Physics - Theory · Physics 2007-05-23 J. Fröhlich , B. Pedrini

After an introduction emphasizing the importance of the gravitomag- netic effect in general relativity, with a resume of some space-based appli- cations, we discuss the so-called magnetic components of gravitational waves (GWs), which have…

General Relativity and Quantum Cosmology · Physics 2010-01-22 Lorenzo Iorio , Christian Corda

The chiral magnetic wave from the interplay between the chiral magnetic effect and the chiral separation effect is simulated in a box system with the periodic boundary condition based on the chiral kinetic equations of motion. Simulation…

Nuclear Theory · Physics 2018-10-24 Wen-Hao Zhou , Jun Xu

We study the non-conservation of the chiral charge of Dirac fields between past and future null infinity due to the Adler-Bell-Jackiw chiral anomaly. In previous investigations \cite{dR21}, we found that this charge fails to be conserved if…

High Energy Physics - Theory · Physics 2023-11-20 Adrián del Río , Ivan Agullo

We analyze the chiral magnetic effect in a homogeneous neutral plasma from the point of view of energy conservation, and construct an effective potential for the growth of maximally helical perturbations of the electromagnetic field. We…

High Energy Physics - Phenomenology · Physics 2017-07-19 David B. Kaplan , Sanjay Reddy , Srimoyee Sen

Gluon field configurations with nonzero topological charge generate chirality, inducing P- and CP-odd effects. When a magnetic field is applied to a system with nonzero chirality, an electromagnetic current is generated along the direction…

High Energy Physics - Phenomenology · Physics 2009-09-01 Dmitri E. Kharzeev , Harmen J. Warringa

In the primordial plasma, at temperatures above the scale of electroweak symmetry breaking, the presence of chiral asymmetries is expected to induce the development of helical hypermagnetic fields through the phenomenon of chiral plasma…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-10 Axel Brandenburg , Emma Clarke , Tina Kahniashvili , Andrew J. Long , Guotong Sun

We study coefficients of axial chiral vortical effect and chiral separation effect at finite temperature and vector chemical potential in massive theories. We present two independent methods of calculating the coefficients: one from field…

Nuclear Theory · Physics 2018-12-26 Shu Lin , Lixin Yang