Exponential decay of the number of excitations in the weakly interacting Bose gas

被引：1

作者：

Mitrouskas, David ^{[1
]}

Pickl, Peter ^{[2
]}

机构：

[1] Inst Sci & Technol Austria ISTA, Campus 1, A-3400 Klosterneuburg, Austria

[2] Univ Tubingen, Fachbereich Math, Morgenstelle 10, D-72076 Tubingen, Germany

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 2023年 / 64卷 / 12期

关键词：

PITAEVSKII; SPECTRUM; BOSONS; STATES;

D O I：

10.1063/5.0172199

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider N trapped bosons in the mean-field limit with coupling constant lambda N = 1/(N - 1). The ground state of such systems exhibits Bose-Einstein condensation. We prove that the probability of finding l particles outside the condensate wave function decays exponentially in l.

引用

页数：10

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