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Abstract
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We consider a trapped dilute gas of
bosons in
interacting via a three-body interaction potential of the form
. In the
limit
,
we prove that every approximate ground state of the system is a convex
superposition of minimizers of a 3D energy-critical nonlinear Schrödinger
functional where the nonlinear coupling constant is proportional to
the scattering energy of the interaction potential. In particular, the
-body
ground state exhibits complete Bose–Einstein condensation if the nonlinear
Schrödinger minimizer is unique up to a complex phase.
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Keywords
many-body quantum mechanics, mean-field limits,
Bose–Einstein condensates, three-body interactions
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Mathematical Subject Classification
Primary: 35J10, 35Q82, 82B10, 82D05
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Milestones
Received: 28 October 2021
Revised: 1 September 2022
Accepted: 25 October 2022
Published: 29 March 2023
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© 2023 The Author(s), under
exclusive license to MSP (Mathematical Sciences
Publishers). |
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