Measurements and correlations in tri-partite systems

被引：0
|
作者：
Zukarnain, Z. Ahmad [1 ]
Konstadopoulou, A. [1 ]
Vourdas, A. [1 ]
机构：
[1] Univ Bradford, Dept Comp, Bradford BD7 1DP, W Yorkshire, England
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 11-13期
关键词：
entanglement; measurements;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A system comprised of three oscillators A, B and C is studied. The oscillators B and C are interacting with each other, while the oscillator A does not interact with any of them. At t = 0 the system is in the state rho(AB)(0)circle times rho(C)(0). Two examples in which rho(AB)(0) is in separable and entangled states, are considered. It is shown that the oscillators A, C become entangled and that a measurement in C whose result is communicated classically to A, affects the state of the oscillator A. The work studies how the collapse due to the measurement at C, affects the state of the oscillator A.
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页码：1551 / 1563
页数：13
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