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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 114, Issue 11, Pages 723–726
DOI: https://doi.org/10.31857/S1234567821230014 (Mi jetpl6559) 		 
This article is cited in 3 scientific papers (total in 3 papers)

FIELDS, PARTICLES, AND NUCLEI

Numerical study of multiparticle production in $\phi^4$ theory: comparison with analytical results

S. V. Demidovab, D. G. Levkovbc, B. R. Farkhtdinovba

a Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, 141700 Russia
b Institute for Nuclear Research, Russian Academy of Sciences, Moscow, 117312 Russia
c Institute for Theoretical and Mathematical Physics, Moscow State University, Moscow, 119991 Russia
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DOI: https://doi.org/10.31857/S1234567821230014
Abstract: We develop a numerical method to compute the probabilities of multiparticle production in weakly coupled scalar theories. Our technique is based on D.T. Son’s semiclassical method of singular solutions. Applying it to the process $1 \to n$ in the unbroken four-dimensional $\lambda {{\phi }^{4}}$ theory, we reproduce the known results at $1 \ll n \ll {{\lambda }^{{ - 1}}}$.
Funding agency Grant number
Russian Foundation for Basic Research 20-32-90013
This work was supported by the Russian Foundation for Basic Research, project no. 20-32-90013.
Received: 03.11.2021
Revised: 08.11.2021
Accepted: 09.11.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 114, Issue 11, Pages 649–652
DOI: https://doi.org/10.1134/S0021364021230028
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. V. Demidov, D. G. Levkov, B. R. Farkhtdinov, “Numerical study of multiparticle production in $\phi^4$ theory: comparison with analytical results”, Pis'ma v Zh. Èksper. Teoret. Fiz., 114:11 (2021), 723–726; JETP Letters, 114:11 (2021), 649–652
Citation in format AMSBIB
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\vol 114
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\pages 723--726
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    • This publication is cited in the following 3 articles:
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