Variation of entanglement entropy in scattering process

Title
Variation of entanglement entropy in scattering process
Author
Seki Shigenori
Issue Date
2015-02
Publisher
ELSEVIER SCIENCE BV
Citation
PHYSICS LETTERS B, v. 743, Page. 147-153
Abstract
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.
URI
http://www.sciencedirect.com/science/article/pii/S0370269315001094http://hdl.handle.net/20.500.11754/22160
ISSN
0370-2693; 1873-2445
DOI
10.1016/j.physletb.2015.02.028
Appears in Collections:
RESEARCH INSTITUTE[S](부설연구소) > THE RESEARCH INSTITUTE FOR NATURAL SCIENCES(자연과학연구소) > Articles
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