Holographic neutrino transport in dense strongly-coupled matter

M. Järvinen (Asia Pacific Center for Theoretical Physics, Pohang, 37673, Republic of Korea; Department of Physics, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea) ; E. Kiritsis (Université Paris Cité, CNRS, Astroparticule et Cosmologie, Paris, F-75006, France; Crete Center for Theoretical Physics, Institute for Theoretical and Computational Physics, Department of Physics, University of Crete, Heraklion, 70013, Greece) ; F. Nitti (Université Paris Cité, CNRS, Astroparticule et Cosmologie, Paris, F-75006, France) ; E. Préau (Université Paris Cité, CNRS, Astroparticule et Cosmologie, Paris, F-75006, France)

A (toy) model for cold and luke-warm strongly-coupled nuclear matter at finite baryon density, is used to study neutrino transport. The complete charged current two-point correlators are computed in the strongly-coupled medium and their impact on neutrino transport is analyzed. The full result is compared with various approximations for the current correlators and the distributions, including the degenerate approximation, the hydrodynamic approximation as well as the diffusive approximation and we comment on their successes. Further improvements are discussed.

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Published on:
21 November 2023
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2023 (2023)
Issue 11
Pages 1-85
DOI:
https://doi.org/10.1007/JHEP11(2023)139
arXiv:
2306.00192
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: