Acoustic Coupling between Magnon Bose-Einstein Condensates in Yttrium Iron Garnet Films

被引：2

作者：

Knyazev, G. A. ^{[1
,2
]}

Kuzmichev, A. N. ^{[1
]}

Petrov, P. E. ^{[1
,2
]}

Vetoshko, P. M. ^{[1
,3
,4
]}

Belotelov, V. I. ^{[1
,2
,3
]}

Bunkov, Yu. M. ^{[1
]}

机构：

[1] Russian Quantum Ctr, Moscow 121205, Russia

[2] Moscow MV Lomonosov State Univ, Moscow 119992, Russia

[3] Vernadsky Crimean Fed Univ, Simferopol 295007, Russia

[4] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia

来源：

JETP LETTERS | 2023年 / 118卷 / 08期

基金：

俄罗斯科学基金会;

关键词：

LIVED INDUCTION SIGNAL; SPIN SUPERFLUIDITY; EXCITATION; PRECESSION; GAS;

D O I：

10.1134/S0021364023602944

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The excitation of a magnon Bose-Einstein condensate in an yttrium iron garnet film due to acoustic coupling with the condensate in the second sample is experimentally studied. A nonlinear nature of this excitation is demonstrated. The formation of a phonon Bose-Einstein condensate in the substrate is assumed. This experiment opens the possibility of creating qubits based on acoustically interacting Bose-Einstein condensates.

引用

页码：603 / 607

页数：5

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