Photovoltaic transistor of atoms due to spin-orbit coupling in three optical traps

• URL: http://arxiv.org/abs/2107.12882v1
• Date: Tue, 27 Jul 2021 15:27:34 GMT
• Title: Photovoltaic transistor of atoms due to spin-orbit coupling in three optical traps
• Authors: Haihu Cui, Mingzhu Zhang, and Wenxi Lai
• Abstract summary: spin-orbit coupling induced photovoltaic effect of cold atoms has been studied in a three-trap system. It is proposed here that atom coherent length is one of the important influence to the resistance of this photovoltaic battery.
• Score: 0.294944680995069
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, spin-orbit coupling induced photovoltaic effect of cold atoms has been studied in a three-trap system which is an two-dimensional extension of a two-trap system reported previously. It is proposed here that atom coherent length is one of the important influence to the resistance of this photovoltaic battery. Current properties of the system for different geometrical structures of the trapping potentials are discussed. Numerical results show extension in the number of traps could cause current increase directly. Quantum master equation at finite temperature is used to treat this opened system. This work may give a theoretical basis for further development of the photovoltaic effect of neutral atoms.

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