Controlling Decoherence Speed Limit of a Single Impurity Atom in a Bose–Einstein‐Condensate Reservoir
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Publication:6058633
DOI10.1002/ANDP.201800423arXiv1809.10810OpenAlexW2894134188MaRDI QIDQ6058633
Author name not available (Why is that?)
Publication date: 1 November 2023
Published in: (Search for Journal in Brave)
Abstract: We study the decoherence speed limit (DSL) of a single impurity atom immersed in a Bose-Einsteincondensed (BEC) reservoir when the impurity atom is in a double-well potential. We demonstrate how the DSL of the impurity atom can be manipulated by engineering the BEC reservoir and the impurity potential within experimentally realistic limits. We show that the DSL can be controlled by changing key parameters such as the condensate scattering length, the effective dimension of the BEC reservoir, and the spatial configuration of the double-well potential imposed on the impurity. We uncover the physical mechanisms of controlling the DSL at root of the spectral density of the BEC reservoir.
Full work available at URL: https://arxiv.org/abs/1809.10810
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