期刊
PHYSICS LETTERS B
卷 743, 期 -, 页码 147-153出版社
ELSEVIER
DOI: 10.1016/j.physletb.2015.02.028
关键词
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资金
- Mid-career Researcher Program through the National Research Foundation of Korea (NRF) [NRF-2013R1A2A2A05004846]
- Basic Science Research Program through NRF [NRF-2013R1A1A2059434]
In a scattering process, the final state is determined by an initial state and an S-matrix. We focus on two-particle scattering processes and consider the entanglement between these particles. For two types initial states, i.e., an unentangled state and an entangled one, we calculate perturbatively the change of entanglement entropy from the initial state to the final one. Then we show a few examples in a field theory and in quantum mechanics. (C) 2015 Published by Elsevier B.V.
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