期刊
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
卷 -, 期 11, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2023/11/052
关键词
quantum cosmology; initial conditions and eternal universe
A recent study shows that a tunneling universe model exhibits chaotic dynamics through the analysis of fractal dimensions in the plane of initial values. This result is based on non-adiabatic features of quantum dynamics captured by new quasiclassical methods. The chaotic dynamics in the early universe, described by such models, allows for a larger range of initial values to be probed.
A recent quasiclassical description of a tunneling universe model is shown to exhibit chaotic dynamics by an analysis of fractal dimensions in the plane of initial values. This result relies on non-adiabatic features of the quantum dynamics, captured by new quasiclassical methods. Chaotic dynamics in the early universe, described by such models, implies that a larger set of initial values of an expanding branch can be probed.
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