Evolution of the Primordial Axial Charge across Cosmic Times

Publikation: Bidrag til tidsskrift › Letter › Forskning › fagfællebedømt

Standard

Evolution of the Primordial Axial Charge across Cosmic Times. / Boyarsky, A.; Cheianov, V. V.; Ruchayskiy, O.; Sobol, O.

I: Physical Review Letters, Bind 126, Nr. 2, 021801, 11.01.2021.

Publikation: Bidrag til tidsskrift › Letter › Forskning › fagfællebedømt

Harvard

Boyarsky, A, Cheianov, VV, Ruchayskiy, O & Sobol, O 2021, 'Evolution of the Primordial Axial Charge across Cosmic Times', Physical Review Letters, bind 126, nr. 2, 021801. https://doi.org/10.1103/PhysRevLett.126.021801

APA

Boyarsky, A., Cheianov, V. V., Ruchayskiy, O., & Sobol, O. (2021). Evolution of the Primordial Axial Charge across Cosmic Times. Physical Review Letters, 126(2), [021801]. https://doi.org/10.1103/PhysRevLett.126.021801

Vancouver

Boyarsky A, Cheianov VV, Ruchayskiy O, Sobol O. Evolution of the Primordial Axial Charge across Cosmic Times. Physical Review Letters. 2021 jan. 11;126(2). 021801. https://doi.org/10.1103/PhysRevLett.126.021801

Author

Boyarsky, A. ; Cheianov, V. V. ; Ruchayskiy, O. ; Sobol, O. / Evolution of the Primordial Axial Charge across Cosmic Times. I: Physical Review Letters. 2021 ; Bind 126, Nr. 2.

Bibtex

@article{5ef3c4b0da9e43dd9c7ca8c9cdce4783,
title = "Evolution of the Primordial Axial Charge across Cosmic Times",
abstract = "We investigate collisional decay of the axial charge in an electron-photon plasma at temperatures 10 MeV-100 GeV. We demonstrate that the decay rate of the axial charge is first order in the fine-structure constant Gamma(flip) proportional to am(e)(2)/T and thus orders of magnitude greater than the naive estimate which has been in use for decades. This counterintuitive result arises through infrared divergences regularized at high temperature by environmental effects. The decay of axial charge plays an important role in the problems of leptogenesis and cosmic magnetogenesis.",
keywords = "MAGNETIC-FIELDS, QUASI-PARTICLES, EQUILIBRIUM",
author = "A. Boyarsky and Cheianov, {V. V.} and O. Ruchayskiy and O. Sobol",
year = "2021",
month = jan,
day = "11",
doi = "10.1103/PhysRevLett.126.021801",
language = "English",
volume = "126",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Evolution of the Primordial Axial Charge across Cosmic Times

AU - Boyarsky, A.

AU - Cheianov, V. V.

AU - Ruchayskiy, O.

AU - Sobol, O.

PY - 2021/1/11

Y1 - 2021/1/11

N2 - We investigate collisional decay of the axial charge in an electron-photon plasma at temperatures 10 MeV-100 GeV. We demonstrate that the decay rate of the axial charge is first order in the fine-structure constant Gamma(flip) proportional to am(e)(2)/T and thus orders of magnitude greater than the naive estimate which has been in use for decades. This counterintuitive result arises through infrared divergences regularized at high temperature by environmental effects. The decay of axial charge plays an important role in the problems of leptogenesis and cosmic magnetogenesis.

AB - We investigate collisional decay of the axial charge in an electron-photon plasma at temperatures 10 MeV-100 GeV. We demonstrate that the decay rate of the axial charge is first order in the fine-structure constant Gamma(flip) proportional to am(e)(2)/T and thus orders of magnitude greater than the naive estimate which has been in use for decades. This counterintuitive result arises through infrared divergences regularized at high temperature by environmental effects. The decay of axial charge plays an important role in the problems of leptogenesis and cosmic magnetogenesis.

KW - MAGNETIC-FIELDS

KW - QUASI-PARTICLES

KW - EQUILIBRIUM

U2 - 10.1103/PhysRevLett.126.021801

DO - 10.1103/PhysRevLett.126.021801

M3 - Letter

C2 - 33512189

VL - 126

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 2

M1 - 021801

ER -

ID: 260406984