Atom--photon momentum entanglement with quantum interference
Rui Guo, Hong Guo
TL;DR
This paper introduces a new method to control atom-photon momentum entanglement using quantum interference, leading to highly controllable entangled states with a novel phenomenon called momentum phase entanglement.
Contribution
It proposes a scheme leveraging atomic internal coherence to coherently control atom-photon momentum entanglement, introducing the concept of momentum phase entanglement.
Findings
Discovery of momentum phase entanglement phenomenon
Ability to produce highly controllable entangled states
Enhanced degree of entanglement under specific conditions
Abstract
With quantum interference of two-path spontaneous emissions, we propose a novel scheme to coherently control the atom--photon momentum entanglement through atomic internal coherence. A novel phenomenon called ``momentum phase entanglement'' is reported, and we found, under certain conditions, that more controllable entangled state can be produced with super--high degree of entanglement.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Cold Atom Physics and Bose-Einstein Condensates