SSE TALK | Energy of the dilute Bose gas

Dear All,

You are cordially invited to an online academic seminar to be delivered by Prof. Søren Fournais (University of Aarhus) on June 14 (Tuesday). This seminar will discuss the "Energy of the dilute Bose gas".

Talk Information

Time & Date: 14:30 - 15:30, June 14 (Tuesday)

Venue: Zoom Online Meeting

Zoom meeting ID: 971 2266 9394

Passcode: 20220614

Host: Prof. Xingbin PAN

Speaker: Prof. Søren Fournais

Abstract: In this talk, we will review recent progress on the energy of the 2 and 3dimensional dilute Bose gas. In particular, it has recently become possible to verify the old prediction by Bogoliubov and Lee-Huang-Yang of the first correction term to the ground state energy of the interacting gas in the thermodynamic limit. If time permits, I will also discuss the relation of these energy results to proofs of "Bose-Einstein condensation” on density dependent length scales.

Biography

Søren Fournais received his PhD from Aarhus University in 1999 and a Habilitation from Université de Paris-Sud in 2004. He is now a full professor at his Alma Mater, University of Aarhus. The research of Fournais is focused on problems from mathematical physics, in particular non-relativistic quantum mechanics. A large part of his research has been centered about problems with magnetic fields, where for instance the analysis of the Ginzburg-Landau model of superconductivity has been a source of problems. In recent years the many-body problem of understanding the mathematics around Bose-Einstein Condensation has been his focus of research.

Fournais has held an ERC Starting grant, is a member of the Royal Danish Academy of Sciences and Letters, and has received the Danish EliteResearcher Award.

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