期刊论文

英文

中国物理B

1674-1056

2023

32

3

128-136

10.1088/1674-1056/acac18

Project supported by the National Natural Science Foundation of China (Grant Nos. 11935006, 12075082, 12205088, and 11975095), the Science and Technology Innovation Program of Hunan Province, China (Grant No. 2020RC4047), the Scientific Research Fund of the Hunan Provincial Education Department (Grant No. 21B0639), and Hunan Normal University Open Foundation of Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of the Ministry of Education (Grant No. QSQC2009).

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We investigate the non-Markovianity (NM) of a waveguide QED with a two-level atom as the system and a semi-infinite rectangular waveguide as the environment, where the transverse magnetic (TM$_{mn}$) modes define the quantum channels of guided photons. The perfect mirror imposed by the finite end exerts a retarded feedback mechanism to allow for information backflow, which leads to NM dynamics. For the energy separation of the atom far away from the cutoff frequencies of transverse modes, the delay differential equations are obtained with single-excitation initial in the atom. Our attention is...

We investigate the non-Markovianity(NM)of a waveguide QED with a two-level atom as the system and a semiinfini...展开更多 We investigate the non-Markovianity(NM)of a waveguide QED with a two-level atom as the system and a semiinfinite rectangular waveguide as the environment,where the transverse magnetic(TMmn)modes define the quantum channels of guided photons.The perfect mirror imposed by the finite end exerts a retarded feedback mechanism to allow for information backflow,which leads to NM dynamics.For the energy separation of the atom far aw...