Simulation of Heisenberg XY interactions and realization of a perfect state transfer in spin chains using liquid nuclear magnetic resonance -: art. no. 012331

被引：97
|
作者：
Zhang, JF [1 ]
Long, GL
Zhang, W
Deng, ZW
Liu, WZ
Lu, ZH
机构：
[1] Tsinghua Univ, MOE, Key Lab Quantum Informat & Measurements, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Beijing Normal Univ, Testing & Analyt Ctr, Beijing 100875, Peoples R China
[4] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
[5] Tsinghua Univ, Key Lab Atom & Mol Nanosci, Beijing 100084, Peoples R China
来源：
PHYSICAL REVIEW A | 2005年 / 72卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.72.012331
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The three-spin chain with a Heisenberg XY interaction is simulated in a three-qubit nuclear magnetic resonance quantum computer. The evolution caused by the XY interaction is decomposed into a series of single-spin rotations and the J-coupling evolutions between the neighboring spins. The perfect state transfer algorithm proposed by Christandl [Phys. Rev. Lett. 92, 187902 (2004)] is realized in the XY chain.
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页数：8
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