Top Qs
Timeline
Chat
Perspective
Chaplygin gas
Hypothetical substance used in certain cosmological theories From Wikipedia, the free encyclopedia
Remove ads
Chaplygin gas,[1][2] which occurs in certain theories of cosmology, is a hypothetical substance that satisfies an exotic equation of state in the form , where is the pressure, is the density, with and a positive constant. The substance is named after Sergey Chaplygin.
In some models, generalized Chaplygin gas is considered, where is a parameter, which can take on values .
A slowly rotating spherically symmetric, non-viscous, self-gravitating Chapligin gas solves the Hubble tension.[3]
Remove ads
See also
References
Wikiwand - on
Seamless Wikipedia browsing. On steroids.
Remove ads