Quantum-Classical Correspondence in Wave Functions of the Universe

Details Quantum-Classical Correspondence in Wave Functions of the Universe Quantum-Classical Correspondence in Wave Functions of the Universe

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pthph..75.1365w&link_type=abstract

Progress of Theoretical Physics, Vol. 75, No. 6, pp. 1365-1376

Physics

4

Scientific paper

By using the classically solvable minimal massless scalar minisuperspace model we study two examples of wave functions of the universe in the semiclassical limit. The first one consists of a Lorentzian component and a Euclidean component and admits a clear semiclassical interpretation as a superposition of universes. The second one consists of a Lorentzian (or Euclidean) component and another oscillatory component which corresponds to (neither Lorentzian nor Euclidean) complex classical solutions. This example has some resemblance to Hawking's minimal massive scalar minisuperspace model. We suggest a possible way of recovering the classical interpretation in such a case.

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