Does Measurement Necessarily Destroy Coherence?

Partha Ghose

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arXiv · 1103.6116

Does Measurement Necessarily Destroy Coherence?

Partha Ghose

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Abstract

It has been proposed that measurement in quantum mechanics results from spontaneous breaking of a symmetry of the measuring apparatus and could be a unitary process that preserves coherence. Viewed in this manner, it is argued, non-destructive measurements should preserve this coherence and be reversible. It is shown that experiments with maximally entangled bipartite states can indeed distinguish between projective and unitary measurements.

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Partha Ghose. 2011-09-23. Does Measurement Necessarily Destroy Coherence?. https://arxiv.org/abs/1103.6116

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