Entangled Nonorthogonal States and Their Decoherence Properties
classification
🪐 quant-ph
keywords
statesentangleddecoherencenonorthogonalpropertiesabsorptionbellbi-photon
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This paper presents properties of the so-called quasi-Bell states: entangled states written as superpositions of nonorthogonal states. It is shown that a special class of those states, namely entangled coherent states, are more robust against decoherence due to photon absorption than the standard bi-photon Bell states.
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