Enhanced Binding of an $N$-particle System Interacting with a Scalar Field II. Relativistic Version
Author(s) -
Fumio Hiroshima,
Itaru Sasaki
Publication year - 2015
Publication title -
publications of the research institute for mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 39
eISSN - 1663-4926
pISSN - 0034-5318
DOI - 10.4171/prims/168
Subject(s) - scalar field , scalar (mathematics) , relativistic particle , particle system , physics , mathematical physics , mathematics , quantum mechanics , geometry , computer science , electron , operating system
An enhanced binding of $N$-{\it relativistic} particles coupled to a massless scalar bose field is investigated. It is not assumed that the system has a ground state for the zero-coupling. It is shown, however, that there exists a ground state for sufficiently large coupling. The proof is based on checking the stability condition and showing a uniform exponential decay of infrared regularized ground states.
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