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Quantum entanglement of coupled anharmonic stretches in molecules H2O and SO2
Hou, XW; Chen, JH; Wan, MF; Ma, ZQ; Ma ZQ(马中骐)
2007
发表期刊MODERN PHYSICS LETTERS B
卷号21期号:12页码:745-750
通讯作者[Hou, Xi-Wen] Huazhong Normal Univ, Dept Phys, Wuhan 430079, Peoples R China ; [Chen, Jing-Hua] Huazhong Normal Univ, Dept Informat Management, Wuhan 430079, Peoples R China ; [Wan, Ming-Fang] Wuhan Univ Technol, Sch Nat Sci, Wuhan 430079, Peoples R China ; [Ma, Zhong-Qi] Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要Quantum entanglement of anharmonic stretches in molecules H2O and SO2 is studied in terms of the reduced-density linear entropy with initial squeezed vacuum states and thermal states. It is shown that the entropy of both kinds of initial states with a small amplitude (n) over bar is quasi-periodic with the period of thermal states being larger than that of squeezed vacuum states for each molecule. The entropy evolution of both kinds of initial states with a larger amplitude (n) over bar is irregular. For each kind of initial state, the frequency of oscillation of the entropy for SO2 is larger than that for H2O. That can be useful in quantum computing based on vibrational states in H2O and SO2.
关键词vibrational analysis quantum entanglement
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217984907013171
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
WOS记录号WOS:000251889900005
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238413
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Hou, XW,Chen, JH,Wan, MF,et al. Quantum entanglement of coupled anharmonic stretches in molecules H2O and SO2[J]. MODERN PHYSICS LETTERS B,2007,21(12):745-750.
APA Hou, XW,Chen, JH,Wan, MF,Ma, ZQ,&马中骐.(2007).Quantum entanglement of coupled anharmonic stretches in molecules H2O and SO2.MODERN PHYSICS LETTERS B,21(12),745-750.
MLA Hou, XW,et al."Quantum entanglement of coupled anharmonic stretches in molecules H2O and SO2".MODERN PHYSICS LETTERS B 21.12(2007):745-750.
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