An enhanced binding of N 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 uniform exponential decay of infrared-regularized ground states.
|Number of pages||36|
|Journal||Publications of the Research Institute for Mathematical Sciences|
|Publication status||Published - 2015|
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