# Ballistic annihilation kinetics for a multi-velocity one-dimensional ideal gas

Source: [Ballistic annihilation kinetics for a multi-velocity one-dimensional ideal gas](<https://www.sota2.com/research/paper/68fa24132c2a37601939f00b>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T07:56:42.544Z

Authors: Michel Droz, Pierre-Antoine Rey, Laurent Frachebourg, Jaros{\\l}aw Piasecki

Published: 1994-12-21T16:09:25.000Z

## Abstract

Ballistic annihilation kinetics for a multi-velocity one-dimensional ideal gas is studied in the framework of an exact analytic approach. For an initial symmetric three-velocity distribution, the problem can be solved exactly and it is shown that different regimes exist depending on the initial fraction of particles at rest. Extension to the case of a n-velocity distribution is discussed.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/9412099>)

[PDF](<https://arxiv.org/pdf/cond-mat/9412099.pdf>)