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The presence of asymmetry between fermions of opposite handedness in plasmas of relativistic particles can lead to exponential growth of a helical magnetic field via a small-scale chiral dynamo instability known as the chiral magnetic…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-23 Axel Brandenburg , Jennifer Schober , Igor Rogachevskii , Tina Kahniashvili , Alexey Boyarsky , Jurg Frohlich , Oleg Ruchayskiy , Nathan Kleeorin

The effect of perturbative QCD interactions on the high energy scattering of electroweak vector bosons, when the exchanged channel has pion quantum numbers, is considered. The chiral anomaly is shown to appear in the couplings of particular…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alan R. White

We investigate the impact of the tau and bottom Yukawa couplings on the transport dynamics for electroweak baryogenesis in supersymmetric extensions of the Standard Model. Although it has generally been assumed in the literature that all…

High Energy Physics - Phenomenology · Physics 2010-04-06 Daniel J. H. Chung , Bjorn Garbrecht , Michael J. Ramsey-Musolf , Sean Tulin

Spectral flow of chiral fermions in the background of electroweak sphalerons is studied. A fermion field configuration that interpolates between the sphaleron zero mode and the asymptotic fermion modes is proposed for the level crossing…

High Energy Physics - Theory · Physics 2013-11-11 Eray Sabancilar

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

In the chiral magnetic effect an imbalance in the number of left- and right-handed quarks gives rise to an electromagnetic current parallel to the magnetic field produced in noncentral heavy-ion collisions. The chiral imbalance may be…

High Energy Physics - Theory · Physics 2010-01-22 Anton Rebhan , Andreas Schmitt , Stefan A. Stricker

Chiral anomaly or Adler-Bell-Jackiw anomaly in Weyl semimetals (WSMs) has a significant impact on the electron transport behaviors, leading to remarkable longitudinal or planar electrical and thermoelectric transport phenomena in the…

Mesoscale and Nanoscale Physics · Physics 2022-03-29 Chuanchang Zeng , Snehasish Nandy , Sumanta Tewari

We investigate the real-time dynamics of the chiral magnetic effect in quantum electrodynamics (QED) and quantum chromodynamics (QCD). We consider a field configuration of parallel (chromo)electric and (chromo)magnetic fields with a weak…

High Energy Physics - Theory · Physics 2015-03-20 Harmen J. Warringa

We study baryon asymmetry generation originated from the leptogenesis in the presence of hypermagnetic fields in the early Universe plasma before the electroweak phase transition (EWPT). For the simplest Chern-Simons (CS) wave configuration…

High Energy Physics - Phenomenology · Physics 2012-08-17 Maxim Dvornikov , Victor B. Semikoz

The decrease of the chiral pseudocritical temperature $T_{\mathrm{pc}}$ with an applied strong magnetic field has been extensively investigated by various QCD low-energy effective models and lattice QCD at physical point. We find that this…

High Energy Physics - Phenomenology · Physics 2025-05-26 Yuanyuan Wang , Mamiya Kawaguchi , Shinya Matsuzaki , Akio Tomiya

The current response to an electromagnetic field in a Weyl or Dirac semimetal becomes nonlocal due to the chiral anomaly activated by an applied static magnetic field. The nonlocality develops under the conditions of the normal skin effect…

Mesoscale and Nanoscale Physics · Physics 2022-04-08 P. O. Sukhachov , L. I. Glazman

We study the generation and evolution of magnetic field in the presence of chiral imbalance and gravitational anomaly which gives an additional contribution to the vortical current. The contribution due to gravitational anomaly is…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-21 Sampurn Anand , Jitesh R. Bhatt , Arun Kumar Pandey

Helical symmetry of massive Dirac fermions is broken explicitly in the presence of electric and magnetic fields. Here we present two equations for the divergence of helical and axial-vector currents following the Jackiw-Johnson approach to…

Mesoscale and Nanoscale Physics · Physics 2021-12-30 Huan-Wen Wang , Bo Fu , Shun-Qing Shen

The presence of a strong magnetic background can modify the nature and the dynamics of the chiral phase transition at finite temperature: for high enough magnetic fields, comparable to the ones expected to be created in noncentral…

High Energy Physics - Phenomenology · Physics 2009-11-13 Eduardo S. Fraga , Ana Júlia Mizher

We investigate the role of the chiral anomaly in hydrodynamic and crossover regimes of transport in a Weyl or Dirac semimetal film. We show that the magnetic-field-dependent part of the electric conductivity in the direction of the magnetic…

Mesoscale and Nanoscale Physics · Physics 2022-02-25 P. O. Sukhachov , Björn Trauzettel

We study thermodynamic manifestations of the chiral anomaly in disordered Weyl semimetals. We focus, in particular, on the effect which we call 'adiabatic dechiralization,' the phenomenon in which a change in temperature and/or an…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 S. V. Syzranov , Ya. I. Rodionov , B. Skinner

The generation of primordial magnetic fields from cosmological phase transitions is discussed, paying particular attention to the electroweak transition and to the various definitions of the `average' field that have been put forward. It is…

Astrophysics · Physics 2016-08-25 Mark Hindmarsh , Allen Everett

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

Towards modelling the charge asymmetry observed in heavy ion collisions, we present here analytic solutions of relativistic hydrodynamics containing parity violating and anomalous terms at the first order in the hydrodynamic approximation.…

High Energy Physics - Theory · Physics 2012-09-21 Manavendra Mahato

We discuss leptogenesis in a model with heavy right-handed Majorana neutrinos propagating in a constant but otherwise generic CPT-violating axial time-like background (which could be motivated by string theory considerations). At…

High Energy Physics - Phenomenology · Physics 2018-04-04 Thomas Bossingham , Nick E. Mavromatos , Sarben Sarkar
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