The massless Einstein-Boltzmann system with a conformal gauge singularity in an FLRW background

Ho Lee; Ernesto Nungesser; Paul Tod

doi:10.1088/1361-6382/ab5f41

The massless Einstein-Boltzmann system with a conformal gauge singularity in an FLRW background

Ho Lee, Ernesto Nungesser, Paul Tod

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time existence in proper-time for small data as a corollary.

Original language	English
Article number	035005
Journal	Classical and Quantum Gravity
Volume	37
Issue number	3
DOIs	https://doi.org/10.1088/1361-6382/ab5f41
Publication status	Published - 13 Jan 2020

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© 2020 IOP Publishing Ltd.

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abstract = "We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time existence in proper-time for small data as a corollary.",

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AU - Nungesser, Ernesto

AU - Tod, Paul

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N2 - We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time existence in proper-time for small data as a corollary.

AB - We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time existence in proper-time for small data as a corollary.

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The massless Einstein-Boltzmann system with a conformal gauge singularity in an FLRW background

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