Tunnelling in periodically driven bistable symmetric potential wells is investigated in an analytical approximation in a domain where the driving frequency is large compared to the tunnelling frequency and only the four lowest lying levels contribute significantly. The influence of finite level widths is taken into account, and a smooth variation of the amplitude of the driving field is allowed for.
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Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Lanzhou Univ, Key Lab Magnetism & Magnet Mat MoE, Lanzhou, Peoples R ChinaLanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Bai, Si-Yuan
Chen, Chong
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Chinese Univ Hong Kong, Dept Phys, Hong Kong, Peoples R China
Chinese Univ Hong Kong, Hong Kong Inst Quantum Informat Sci & Technol, Hong Kong, Peoples R ChinaLanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Chen, Chong
Wu, Hong
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Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Lanzhou Univ, Key Lab Magnetism & Magnet Mat MoE, Lanzhou, Peoples R ChinaLanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Wu, Hong
An, Jun-Hong
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Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
Lanzhou Univ, Key Lab Magnetism & Magnet Mat MoE, Lanzhou, Peoples R ChinaLanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China