| Issue |
EPJ Web Conf.
Volume 191, 2018
XXth International Seminar on High Energy Physics (QUARKS-2018)
|
|
|---|---|---|
| Article Number | 06017 | |
| Number of page(s) | 7 | |
| Section | Modern Field Theory and Mathematical Physics | |
| DOI | https://doi.org/10.1051/epjconf/201819106017 | |
| Published online | 31 October 2018 | |
https://doi.org/10.1051/epjconf/201819106017
Metastable Q-balls
Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary Prospect 7a, Moscow 117312, Russia
* e-mail: emin@ms2.inr.ac.ru 1We should stress here that we work in the small coupling regime and this comparison is legible.
Published online: 31 October 2018
We will breifly review application of Euclidean path integral technique for the study of quantum decay of the bound system in field theory with global U(1)-invariance. As an illustration of the method, we numerically compute the decay rate of metastable Q-ball to the leading semiclassical order and present interpolating formula for the whole region of metastability.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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