Quantum Reference Frames, Time and Measurements

Details Quantum Reference Frames, Time and Measurements Quantum Reference Frames, Time and Measurements

1997-05-28

arxiv.org/abs/gr-qc/9705076v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

16 pages, Latex, Talk given at Berlin 'Quantum Structures-96' Conference To appear in Proceedings. New Version 18.06.97 : Some

Scientific paper

We argue that correct account of the quantum properties of macroscopic objects which form reference frames (RF) demand the change of the standard space-time picture accepted in Quantum Mechanics. The presence of RF free quantum motion in the form of wave packet smearing results in formal nonapplicability of Galilean or Lorentz space-time transformations in this case. For the description of the particles states transformations between different quantum RF the special quantum space-time transformations are formulated. Consequently it results in corrections to Schrodinger or Klein- Gordon equations which depends on the RF mass. RF proper time becomes the operator depending of momentums spread in RF wave packet ,from the point of view of other observer. The experiments with macroscopic coherent states are proposed in which this effects can be tested.}

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