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Controllable entanglement sudden birth of Heisenberg spins |
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| Authors: | ZHENG Qiang ZHI Qi-Jun ZHANG Xiao-Ping REN Zhong-Zhou School of Mathematics Computer Science Guizhou Normal University Guiyang China School of Physics Electronics China School of Physics Nanjing University Nanjing China |
| Institution: | ZHENG Qiang1,1) ZHI Qi-Jun2 ZHANG Xiao-Ping3 REN Zhong-Zhou3,2) 1 School of Mathematics and Computer Science,Guizhou Normal University,Guiyang 550001,China 2 School of Physics and Electronics,China 3 School of Physics,Nanjing University,Nanjing 210093,China |
| Abstract: | We investigate the Entanglement Sudden Birth (ESB) of two Heisenberg spins A and B. The third controller, qutrit C is introduced, which only has the Dzyaloshinskii-Moriya (DM) spin-orbit interaction with qubit B. We find that the DM interaction is necessary to induce the Entanglement Sudden Birth of the system qubits A and B, and the initial states of the system qubits and the qurit C are also important to control its Entanglement Sudden Birth. |
| Keywords: | entanglement sudden birth Dzyaloshinskii-Moriya interaction qutrit |
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