Matches in SemOpenAlex for { <https://semopenalex.org/work/W3101478570> ?p ?o ?g. }
- W3101478570 abstract "The homogeneous cosmological models with a Liouville scalar field are investigated in classical and quantum context of Wheeler-DeWitt geometrodynamics. In the quantum case of quintessence field with potential unbounded from below and phantom field, the energy density operators are not essentially self-adjoint and self-adjoint extensions contain ambiguities. Therefore the same classical actions correspond to a family of distinct quantum models. For the phantom field the energy spectrum happens to be discrete. The probability conservation and appropriate classical limit can be achieved with a certain restriction of the functional class. The appropriately localized wave packets are studied numerically using the Schrodinger's norm and a conserved Mostafazadeh's norm introduced from techniques of pseudo-Hermitian quantum mechanics. These norms give a similar packet evolution that is confronted with analytical classical solutions." @default.
- W3101478570 created "2020-11-23" @default.
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- W3101478570 date "2018-09-01" @default.
- W3101478570 modified "2023-10-14" @default.
- W3101478570 title "Integrable minisuperspace models with Liouville field: energy density self-adjointness and semiclassical wave packets" @default.
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- W3101478570 doi "https://doi.org/10.1140/epjc/s10052-018-6255-5" @default.
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