Vacuum-Induced Abelian and Non-Abelian Gauge Potentials in Cavity Quantum Electrodynamics
Gauge potential plays an important role in exploring exotic phenomena in the single- and many-body quantum systems. In this paper, we propose a scheme to create both new Abelian and non-Abelian gauge potentials by adiabatically controlling the degenerate Dicke model in cavity quantum electrodynamics...
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| Veröffentlicht in: | Communications in theoretical physics 2011-12, Vol.56 (12), p.1084-1088 |
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| container_title | Communications in theoretical physics |
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| creator | 张海龙 梁奇锋 俞立先 陈刚 |
| description | Gauge potential plays an important role in exploring exotic phenomena in the single- and many-body quantum systems. In this paper, we propose a scheme to create both new Abelian and non-Abelian gauge potentials by adiabatically controlling the degenerate Dicke model in cavity quantum electrodynamics. It is shown that a non-Abelian gauge potential is achieved only for a single atom, whereas an Abelianizen diagonal gauge potential is realized for the atomic ensemble. More importantly, two interesting quantum phenomena such as the geometric phase and the magnetic monopole induced by our created gauge potentials are also predicted. The possible physical realization is presented in the macroscopic circuit quantum electrodynamics with the Cooper pair boxes, which act as the artificial two-level atoms controlled by the gate voltage and the external magnetic flux. |
| doi_str_mv | 10.1088/0253-6102/56/6/20 |
| format | Article |
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| ispartof | Communications in theoretical physics, 2011-12, Vol.56 (12), p.1084-1088 |
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| source | Institute of Physics Journals; Alma/SFX Local Collection |
| subjects | Circuits Electric potential Gages Gauges Holes Magnetic flux Quantum electrodynamics Voltage 多体量子系统 真空 磁单极子 规范势 诱导 量子现象 量子电动力学 阿贝尔 |
| title | Vacuum-Induced Abelian and Non-Abelian Gauge Potentials in Cavity Quantum Electrodynamics |
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