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All-optical control of thermal conduction in waveguide QED

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posted on 2023-02-16, 17:00 authored by Wei-Bin Yan, Zhong-Xiao Man, Ying-Jie Zhang, Heng Fan, Yun-Jie Xia
We investigate the heat conduction between two one-dimension waveguides intermediated by a Laser-driving atom. The Laser provides the optical control on the heat conduction. The tunable asymmetric conduction of the heat against the temperature gradient is realized. Assisted by the modulated Laser, the heat conduction from either waveguide to the other waveguide can be suppressed. Meanwhile, the conduction towards the direction opposite to the suppressed one is gained. The heat currents can be significantly amplified by the energy flow of the Laser. Moveover, the scheme can act like a heat engine.



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