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Ground state properties of the dilute Bose gas

Chiara Boccato (Università degli Studi di Milano)
Monday 24 April 2023 16:15 Zoom
Mathematics Seminar

We consider a gas of bosonic particles confined in a box with Neumann boundary conditions. We prove Bose-Einstein condensation in the Gross-Pitaevskii regime, with an optimal bound on the condensate depletion. Our lower bound for the ground state energy in the box implies (via Neumann bracketing) a lower bound for the ground state energy of the Bose gas in the thermodynamic limit. (Joint work with Robert Seiringer.)

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Organised by: SQM
Revised: 25.05.2023