Analytic Solution of the Boltzmann Equation in an Expanding System
Journal Article
·
· Physical Review Letters
- The Ohio State Univ., Columbus, OH (United States)
- McGill Univ., Montreal, QC (Canada); Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. de Sao Paulo, Sao Paulo, SP (Brazil). Inst. de Fısica; Columbia Univ., New York, NY (United States)
For a massless gas with a constant cross section in a homogeneous, isotropically expanding spacetime we reformulate the relativistic Boltzmann equation as a set of nonlinear coupled moment equations. For a particular initial condition this set can be solved exactly, yielding the first analytical solution of the Boltzmann equation for an expanding system. Finally, the nonequilibrium behavior of this relativistic gas can be mapped onto that of a homogeneous, static nonrelativistic gas of Maxwell molecules.
- Research Organization:
- The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP); Natural Sciences and Engineering Research Council of Canada (NSERC); Conselho Nacional de Desenvolvimento Cientıfico e Tecnol´ogico (CNPq); Funda¸cao de Amparo `a Pesquisa do Estado de Sao Paulo (FAPESP)
- Grant/Contract Number:
- SC0004286; SC0012704
- OSTI ID:
- 1604417
- Alternate ID(s):
- OSTI ID: 1235607
- Journal Information:
- Physical Review Letters, Vol. 116, Issue 2; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 35 works
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