Controllable entanglement sudden birth of Heisenberg spins

  • 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.
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  • [1] NIELSEN MA, CHUANG I L. Quantum Computation and Quantum Information. Cambridge: Cambridge University Press, 20002 YU T, EBERLY J H. Phys. Rev. Lett., 2004, 93: 1404043 YU T, EBERLY J H. Science, 2009, 323: 5984 FICEK Z, TANAS R. Phys. Rev. A, 2008, 77: 0543015 López C E, Romero G, Lastra F, Solano E. Phys. Rev. Lett., 2008, 101: 0805036 LIU W Z, ZHANG J F, LONG G L. Chin. Sci. Bull., 2009, 54(22): 4262-4265; LIU W Z, ZHANG J F, DENG Z W, LONG G L. Sci. Chin. Ser. G, 2008, 51(8): 1089-10967 ZHANG J F, LONG G L, ZHANG W et al. Phys. Rev. A, 2005, 72: 0123318 ZHANG Y, LONG G L. Commun. Theor. Phys., 2007, 48(2): 249-2549 LIU D, ZHANG Y, LONG G L. Prog. Nat. Sci., 2007, 17(10): 1147-115110 HU M L, TIAN D P. Chin. Phys. C, 2008, 32(4): 303-30711 QIN M, TIAN D P. Chin. Phys. C, 2009, 33(4): 249-25112 QIN M, LI Y B. Chin. Phys. C, 2010, 34(4): 448-45113 WANG X G. Phys. Lett. A, 2001, 281: 10114 ZHANG G F. Phys. Rev. A, 2007, 75: 034304; ZHOU Y, ZHANG G F, LI S S et al. Eur. Phys. Lett., 2009, 86: 5000415 MA X S, ZHANG J Y, CONG H S, WANG A M. Sci. Chin. Ser. G, 2008, 51(12): 1897-190416 WANG F, JIA H H, ZHANG H L, ZHANG X A, CHANG S L. Sci. Chin. Ser. G, 2009, 52(12): 1919-192417 Dzyaloshinskii I. J. Phys. Chem. Solid, 1958, 4: 24118 MORIYA T. Phys. Rev. Lett., 1960, 4: 22819 ZHENG Q, SUN P, ZHANG X P, REN Z Z. Chin. Phys. C, 2010, 34(10): 1583-158620 BARLETT S D, de GUISE H , SANDERS B C. Phys. Rev. A, 2002, 65: 05231621 WOOTERS W K. Phys. Rev. Lett., 1998, 80: 2245
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ZHENG Qiang, ZHI Qi-Jun, ZHANG Xiao-Ping and REN Zhong-Zhou. Controllable entanglement sudden birth of Heisenberg spins[J]. Chinese Physics C, 2011, 35(2): 135-138. doi: 10.1088/1674-1137/35/2/005
ZHENG Qiang, ZHI Qi-Jun, ZHANG Xiao-Ping and REN Zhong-Zhou. Controllable entanglement sudden birth of Heisenberg spins[J]. Chinese Physics C, 2011, 35(2): 135-138.  doi: 10.1088/1674-1137/35/2/005 shu
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Received: 2010-04-07
Revised: 2010-05-12
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Controllable entanglement sudden birth of Heisenberg spins

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.

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