Simple Experimental Setups for Observing Wave-particle and Entanglement-separability Superpositions
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https://doi.org/10.15625/0868-3166/26/2/8639Keywords:
wave-particle superposition, entanglement-separability superpositionAbstract
It has been long believed that waveand particle cannot be superposed. Recently, however, modern quantumtechniques have allowed one to prepare photon wave-particle superpositionsexperimentally. In this work, we suggest simple setups, which resortto neither any extra quantum resources nor controlled-Hadamard gates, toobserve such superpositions as well as entanglement-separabilitysuperpositions with tunable entanglement degree. The suggested setups canalso serve as an interaction-free method to detect partially absorbingobjects.Downloads
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