Weakly-interacting particles in general relativity: A numerical study of the general-relativistic Boltzmann equation
Thesis/Dissertation
·
OSTI ID:6134738
The ADM formalism of general relativity is used to write the Einstein-Boltzmann coupled system of equations. The sources of the gravitational field are taken to be represented by ordinary matter described by a perfect fluid approximation, together with either massless or massive weakly-interacting particles, for which a kinetic-theory description is used. In order to solve the equations numerically a one-dimensional, spherically-symmetric model is adopted. A computer code representing the resulting equations was constructed; the specialized numerical methods used in the code are described. The code was subjected to extensive testing so that its reliability and efficiency are well established. The results from these tests are presented and discussed.
- Research Organization:
- Texas Univ., Austin, TX (USA)
- OSTI ID:
- 6134738
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
657003* -- Theoretical & Mathematical Physics-- Relativity & Gravitation
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BASIC INTERACTIONS
BOLTZMANN EQUATION
COMPUTER CODES
DATA
DIFFERENTIAL EQUATIONS
EINSTEIN FIELD EQUATIONS
EQUATIONS
FIELD EQUATIONS
FIELD THEORIES
GENERAL RELATIVITY THEORY
GRAVITATIONAL FIELDS
INFORMATION
INTERACTIONS
MATHEMATICAL MODELS
NUMERICAL DATA
PARTIAL DIFFERENTIAL EQUATIONS
RELATIVITY THEORY
THEORETICAL DATA
TRANSPORT THEORY
WEAK INTERACTIONS
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BASIC INTERACTIONS
BOLTZMANN EQUATION
COMPUTER CODES
DATA
DIFFERENTIAL EQUATIONS
EINSTEIN FIELD EQUATIONS
EQUATIONS
FIELD EQUATIONS
FIELD THEORIES
GENERAL RELATIVITY THEORY
GRAVITATIONAL FIELDS
INFORMATION
INTERACTIONS
MATHEMATICAL MODELS
NUMERICAL DATA
PARTIAL DIFFERENTIAL EQUATIONS
RELATIVITY THEORY
THEORETICAL DATA
TRANSPORT THEORY
WEAK INTERACTIONS