Creation of entangled atomic states by an analogue of the Dynamical Casimir effect

Creation of entangled atomic states by an analogue of the Dynamical Casimir effect
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通过模拟动态卡西米尔效应创建纠缠原子态

DOI:
10.1088/1367-2630/aae116
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发表时间:
2018
影响因子:
3.3
通讯作者:
C. Klempt
C. Klempt
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Lange;J. Peise;B. Lücke;T. Gruber;A. Sala;A. Polls;W. Ertmer;B. Julià-Dìaz;L. Santos;C. Klempt

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如果量子真空的边界条件随时间变化,量子场论预言,在最初的空模式中可以产生真实的可观测粒子。在这里,我们通过改变旋量玻色-爱因斯坦凝聚体的边界条件来实现这种效应,这产生了一个最初未被占据的空间和自旋激发的种群。通过证明多粒子输出态中的连续变量纠缠,我们证明了激发是作为纠缠对产生的。
If the boundary conditions of the quantum vacuum are changed in time, quantum field theory predicts that real, observable particles can be created in the initially empty modes. Here, we realize this effect by changing the boundary conditions of a spinor Bose–Einstein condensate, which yields a population of initially unoccupied spatial and spin excitations. We prove that the excitations are created as entangled pairs by certifying continuous-variable entanglement within the many-particle output state.
旋量凝聚中空间和自旋对称性的自发破缺。
DOI: 10.1103/physrevlett.105.135302
发表时间: 2010
影响因子: 8.6
作者:
M. Scherer;B. Lücke;G. Gebreyesus;O. Topic;F. Deuretzbacher;W. Ertmer;Luis Santos;J. Arlt;C. Klempt
通讯作者: C. Klempt
电介质的卡西米尔能量:球面几何。
影响因子: 11.1
作者:
J. Schwinger
通讯作者: J. Schwinger