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题名: Perfect transfer of many-particle quantum state via high-dimensional systems with spectrum-matched symmetry
作者: Li Ying ;  Song Zhi ;  Sun Chang-Pu
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2007
卷号: 48, 期号:3, 页码:445-448
关键词: ENTANGLEMENT GENERATION ;  INFORMATION ;  CHAINS
学科分类: Physics
通讯作者: Li, Y , Nankai Univ, Minist Educ, Key Lab Weak Light Nonlinear Photon, Dept Phys, Tianjin 300071, Peoples R China
部门归属: Nankai Univ, Minist Educ, Key Lab Weak Light Nonlinear Photon, Dept Phys, Tianjin 300071, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The quantum state transmission through the medium of high-dimensional many-particle system (boson or spinless fermion) is generally studied with a symmetry analysis. We discover that, if the spectrum of a Hamiltonian matches the symmetry of a fermion or boson system in a certain fashion, a perfect quantum state transfer can be implemented without any operation on the medium with pre-engineered nearest neighbor (NN). We also study a simple but realistic near half-filled tight-binding fermion system with uniform NN hopping integral. We show that an arbitrary many-particle state near the fermi surface can be perfectly transferred to its translational counterpart.
收录类别: SCI
WOS记录号: WOS:000249600300012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5660
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li Ying,Song Zhi,Sun Chang-Pu. Perfect transfer of many-particle quantum state via high-dimensional systems with spectrum-matched symmetry[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2007,48(3):445-448.
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