Hydrodynamic description for ballistic annihilation systems

The problem of the validity of a hydrodynamic description for a system in which there are no collisional invariants is addressed. Hydrodynamic equations have been derived and successfully tested against simulation data for a system where particles annihilate with a probability p, or collide elastica...

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Bibliographic Details
Main Authors: De Soria, Maria Isabel Garcia, Maynar, Pablo, Schehr, Gregory, Barrat, Alain, Trizac, Emmanuel
Format: Conference Proceeding
Language:English
Subjects:
ANNIHILATION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
EQUATIONS
HYDRODYNAMICS
MONTE CARLO METHOD
PERTURBATION THEORY
PROBABILITY
SIMULATION
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Summary:The problem of the validity of a hydrodynamic description for a system in which there are no collisional invariants is addressed. Hydrodynamic equations have been derived and successfully tested against simulation data for a system where particles annihilate with a probability p, or collide elastically otherwise. The response of the system to a linear perturbation is analyzed as well.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3082280