Physics – Quantum Physics

Scientific paper

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2005-10-21

New J. Phys. 7, 222(2005)

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

10.1088/1367-2630/7/1/222

Through the quantum trajectory approach, we calculate the geometric phase acquired by a bipartite system subjected to decoherence. The subsystems that compose the bipartite system interact with each other, and then are entangled in the evolution. The geometric phase due to the quantum jump for both the bipartite system and its subsystems are calculated and analyzed. As an example, we present two coupled spin-$\frac 1 2 $ particles to detail the calculations.

**Liu D. P.**

Physics – Quantum Physics

Scientist

**Wang Wenhong**

Physics – Condensed Matter – Materials Science

Scientist

**Yi Xiaoke**

Physics – Quantum Physics

Scientist

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