Butsuri
Online ISSN : 2423-8872
Print ISSN : 0029-0181
ISSN-L : 0029-0181
Reviews
Resurgence Theory: Understanding Nonperturbative Effects from Perturbation Theory
Toshiaki FujimoriTatsuhiro MisumiNorisuke Sakai
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2018 Volume 73 Issue 6 Pages 352-360

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Abstract

Application of resurgence theory to quantum physics attracts a great deal of attention. Resurgence theory was originally developed in ODE to obtain solutions from formal power-series solutions by use of nontrivial relation between formal solutions. It has been recently revealed that a similar relation between perturbative and nonperturbative contributions also exists in quantum theory. We give a brief review on the recent progress in the topic.

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© 2018 The Physical Society of Japan
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