Relational time for systems of oscillators

TitleRelational time for systems of oscillators
Publication TypeJournal Article
Year of Publication2006
AuthorsMilburn, GJ, Poulin, D
JournalInt. J. Quant. Info.
KeywordsFoundations, Gravity, Quantum Theory, Reference frame
Using an elementary example based on two simple harmonic oscillators, we show how a relational time may be defined that leads to an approximate Schrödinger dynamics for subsystems, with corrections leading to an intrinsic decoherence in the energy eigenstates of the subsystem.
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