Minisuperspace
id:
minisuperspace-271-10411041
title:
Minisuperspace
text:
The minisuperspace in physics, especially in theories of quantum gravity, is an approximation of the otherwise infinite-dimensional phase space of a field theory.
The phase space is reduced by considering the largest wavelength modes to be of the order of the size of the universe when studying cosmological models and removing all larger modes.
The validity of this approximation holds as long as the adiabatic approximation holds. An example would be to only consider the scale factor and Hubble co
brand slug:
wiki
category slug:
encyclopedia
description:
Approximation in the study of quantum gravity phase spaces
original url:
https://en.wikipedia.org/wiki/Minisuperspace
date created:
date modified:
2022-12-08T15:22:24Z
main entity:
{"identifier":"Q6867709","url":"https://www.wikidata.org/entity/Q6867709"}
image:
fields total:
13
integrity:
14