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Open Quantum Systems Decoherence

Bounds to unitary evolution

arXiv

Authors: Mark Andrews

Year

2007

Paper ID

50319

Status

Preprint

Abstract Read

~2 min

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Abstract

Upper and lower bounds are established for the survival probability |<ψ(0)|ψ(t)>|² of a quantum state, in terms of the energy moments <ψ(0)|Hⁿ|ψ(0)>. Introducing a cut-off in the energy generally enables considerable improvement in these bounds and allows the method to be used where the exact energy moments do not exist.

Why This Paper Matters

This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2007 reference point for readers tracking recent quantum research.
Upper and lower bounds are established for the survival probability ||^2 of a quantum state, in terms of the energy moments .

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0705.1823 [2] arXiv https://arxiv.org/abs/0705.1823 [3] Publisher https://arxiv.org/abs/0705.1823

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