Abstract
Quantum eraser (QE), on the one hand, is treated as the most intriguing phenomenon that puts a conception of the time in classical and quantum physics in contrast whereas, on the other hand, the same phenomenon is considered fallacious and based on the wrong arguments. Here, we propose an asymmetric delayed choice QE based on a Mach–Zandher–Bragg (MZB) atom interferometer that marks the intriguing effects more explicitly through delayed choice, tunable manipulation of the de Broglie matter wave interference. We also plot distinguishability D and fringe visibility V as a function of the atom–field interaction time utilized for the delayed choice eraser to highlight the counter-intuitive nature of the phenomenon. The interferometric scheme is based on Bragg diffraction of neutral two-level atoms through cavity fields. It is shown that the proposal is deterministic in nature and can be demonstrated experimentally with overall good fidelity utilizing the available technical resources.
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