A uniqueness result for travelling waves in the Gross-Pitaevskii equation

Eliot Pacherie

doi:10.5802/slsedp.148

Eliot Pacherie ¹

¹NYUAD Research Institute, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, UAE

Séminaire Laurent Schwartz — EDP et applications (2021-2022), Talk no. 17, 16 p.

Abstract

This note is a summary of a series of papers [12], [13] and [14], done in collaboration with David Chiron. In them, we establish the uniqueness of the energy minimizer at fixed large momentum for the 2 dimensional Gross-Pitaevskii equation, up to the natural invariances of the problem. The minimizer is a nonradial travelling wave with a small speed, behaving like two well separated vortices. Here, we summarize the key steps of the proof, highlighting the arguments that can be used for similar problems in other equations.

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Published online: 2022-06-22

DOI: 10.5802/slsedp.148

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Eliot Pacherie ¹

¹ NYUAD Research Institute, New York University Abu Dhabi, PO Box 129188, Abu Dhabi, UAE

Eliot Pacherie. A uniqueness result for travelling waves in the Gross-Pitaevskii equation. Séminaire Laurent Schwartz — EDP et applications (2021-2022), Talk no. 17, 16 p.. doi: 10.5802/slsedp.148

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