Relational time for systems of oscillators

2005/05/24 by G. J. Milburn, David Poulin, Milburn, G. J. +1 · 1 citation
Computer Science · Physics and Astronomy · #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Nonlinear Dynamics and Pattern Formation #Quantum Mechanics and Applications #Quantum Physics (quant-ph) #gr-qc #quant-ph

paper · pdf · doi:10.48550/arxiv.quant-ph/0505175

Contribution to the Int. J. of Quant. Info. issue dedicated to the memory of Asher Peres

arxiv created 2005/05/24 · openalex publication_date 2005/05/24 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Using an elementary example based on two simple harmonic oscillators, we show how a relational time may be defined that leads to an approximate Schrodinger dynamics for subsystems, with corrections leading to an intrinsic decoherence in the energy eigenstates of the subsystem.

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