Double-Mode Excited Entangled Coherent States and Their Fidelity |
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| Authors: | Lan Xu Ping-ke Zhang Gui-ping Wu |
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| Institution: | 1. Department of Mathematics and Science, Hunan First Normal University, Changsha, 410205, China
2. Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Changsha, 410081, China
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| Abstract: | In this paper, we introduce the definition of a new kind of continuous-variable-type entangled coherent states, called double-mode excited entangled coherent states through acting creation operators on the double-mode entangled coherent states. We briefly present how to produce them from the two mode ECSs through an interaction between laser and atoms. We further focus on studying the fidelity of the states and discussing the influence of photon excitations on fidelity. |
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