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KeTao Guo, ShaoHui Xiang, HongYu Xu and XiaoHong Li
ÎÄÌâ:
Thermal entanglement of the mixed spin-1/2 and spin-5/2 Heisenberg model under an external magnetic field
ÆÚ¿¯Ãû,Äê·Ý,¾í(ÆÚ),ÆðÖ¹Ò³Âë:
Quantum Inf Process (2014) 13:1511¨C1521

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guoketao: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2016-12-05 10:13:55
Ðľ²_ÒÀÈ»: LS-EPI+1, ¸ÐлӦÖú 2016-12-05 18:25:50
Thermal entanglement of the mixed spin-1/2 and spin-5/2 Heisenberg model under an external magnetic field

×÷Õß:Guo, KT (Guo, Ke-Tao)[ 1 ] ; Xiang, SH (Xiang, Shao-Hui)[ 1 ] ; Xu, HY (Xu, Hong-Yu)[ 1 ] ; Li, XH (Li, Xiao-Hong)[ 1 ]

QUANTUM INFORMATION PROCESSING

¾í: 13

ÆÚ: 7

Ò³: 1511-1521

DOI: 10.1007/s11128-014-0745-7

³ö°æÄê: JUL 2014

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We use the concept of negativity to study the entanglement of spin-1/2 and spin-5/2 antiferromagnetic Heisenberg model with an inhomogeneous magnetic field. Analytical conclusions of the model are acquired. It is found that the critical temperature T-c goes up, as the increase of anisotropy parameter k. The temperature T-c becomes bigger than the results of spin-1/2 and spin-3/2 Heisenberg XXZ chain for the same value of k. And we can gain more entanglement at higher temperature by coordinating the value of inhomogeneity b.
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×÷Õ߹ؼü´Ê:Entanglement; Mixed-spin; Negativity

KeyWords Plus:QUANTUM INFORMATION; SEPARABILITY; COMPUTATION; COMPUTER; STATES; DOTS
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ͨѶ×÷ÕßµØÖ·: Guo, KT (ͨѶ×÷Õß)
[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         Jiangxi Univ Sci & Technol, Sch Appl Sci, Ganzhou 341000, Peoples R China.

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[ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ]         [ 1 ] Jiangxi Univ Sci & Technol, Sch Appl Sci, Ganzhou 341000, Peoples R China

µç×ÓÓʼþµØÖ·:guoketao@gmail.com
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Scientific Research Program of Jiangxi University of Science and Technology        
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SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
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Web of Science Àà±ðhysics, Multidisciplinary; Physics, Mathematical
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ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000337604800003

ISSN: 1570-0755

eISSN: 1573-1332
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