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
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
收藏
页码:603 / 607
页数:5
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