<Abstract>A scheme has been proposed for generating the macroscopic entanglement between the mesoscopic squeezed vacuum states and mesoscopic coherent states by considering both the two-photon interaction and th...<Abstract>A scheme has been proposed for generating the macroscopic entanglement between the mesoscopic squeezed vacuum states and mesoscopic coherent states by considering both the two-photon interaction and the single photon interaction of N two-level atoms in cavities with high quality factor assisted by a strong driving field.Moreover,we derive the dissipative interaction models for single photon interaction and two-photon interaction,respectively.The corresponding analytical expressions of the fidelities can be given.Our scheme can be realized in the current techniques on the cavity QED.展开更多
<Abstract>We propose two physical schemes,which can teleport unknown atomic entangled states from user A (Alice) to user B (Bob) via GHZ class states as quantum channel.The two schemes are both based on cavity Q...<Abstract>We propose two physical schemes,which can teleport unknown atomic entangled states from user A (Alice) to user B (Bob) via GHZ class states as quantum channel.The two schemes are both based on cavity QED techniques. In the two schemes,teleportation and distillation procedures can be realized simultaneously.The second teleportation scheme is more advantageous than the first one.展开更多
基金The project supported by National Natural Science Foundation of China under Grant Nos.10774042,10474118 and 1047200the Science Research Fund of Hunan Institute of Humanity and Science and Technology under Grant No.2005A008
文摘我们为由与高质量的因素在一个洞考虑 N 二水平的原子的多光子相互作用产生在高顺序的挤压的真空状态之间的宏观的重叠和纠纷建议一个有效计划，由一块强壮的开车地帮助了。通过洞的特定的选择， detuning ，在原子之间的很多个多党的纠缠的状态和高顺序的挤压的真空说并且洞在高顺序的挤压的真空之中声明罐头被准备，也包括“高顺序的挤压的真空状态的宏观的 Schrödinger 猫”，“宏观的 Schrödinger 猫”的纠缠的状态等等。我们的计划的可能的扩展和申请被讨论。我们的计划在在洞证完的当前的技术以内是可达到的。
基金＊ The project supported by National Natural Science Foundation of China under Grant No. 10574001, the Innovation Funds of the Chinese Academy of Sciences, the Educational Developing Project Facing the Twenty-first Century, the Program of the Education Department of Anhui Province under GrantNo. 2004kj029, and the Youth Program of Fu Yang Teachers College under Grant No. 2005LQ04
基金supported by National Natural Science Foundation of China under Grant Nos.10774042,10474118,and 1047200the National Fundamental Research Program of China under Grant No.2005CB724502
文摘<Abstract>A scheme has been proposed for generating the macroscopic entanglement between the mesoscopic squeezed vacuum states and mesoscopic coherent states by considering both the two-photon interaction and the single photon interaction of N two-level atoms in cavities with high quality factor assisted by a strong driving field.Moreover,we derive the dissipative interaction models for single photon interaction and two-photon interaction,respectively.The corresponding analytical expressions of the fidelities can be given.Our scheme can be realized in the current techniques on the cavity QED.
基金The project supported by National Natural Science Foundation of China under Grant No. 10574001, Natural Science Foundation of Anhui Province under Grant No. 050460201, and the Youth Program of Fuyang Teachers College under Grant Nos. 2005LQ04 and 2005LQ03
文摘<Abstract>We propose two physical schemes,which can teleport unknown atomic entangled states from user A (Alice) to user B (Bob) via GHZ class states as quantum channel.The two schemes are both based on cavity QED techniques. In the two schemes,teleportation and distillation procedures can be realized simultaneously.The second teleportation scheme is more advantageous than the first one.
