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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Path-phase duality of an interfering particle with translational-internal entanglement

arXiv
Authors: M. Kolar, T. Opatrny, N. Bar-Gill, N. Erez, G. Kurizki

Year

2007

Paper ID

50138

Status

Preprint

Abstract Read

~2 min

Abstract Words

89

Citations

N/A

Abstract

The aim of this paper is to revisit the implications of complementarity when we inject into a Mach Zehnder interferometer particles with internal structure, prepared in special translational-internal entangled (TIE) states. This correlation causes the path distinguishability to be phase dependent in contrast to the standard case. We show that such a TIE state permits us to detect small phase shifts along with almost perfect path distinguishability, beyond the constraints imposed by complementarity on simultaneous which-way and which-phase measurements for standard cases (when distinguishability is independent of interferometric phase).

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  • The aim of this paper is to revisit the implications of complementarity when we inject into a Mach Zehnder interferometer particles with internal structure, prepared in special...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0705.4177 [2] arXiv https://arxiv.org/abs/0705.4177 [3] Publisher https://arxiv.org/abs/0705.4177

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