Spectroscopy;
State Physics;
Heat Pulse;
Collective Excitation;
Phonon System;
D O I:
10.1134/1.1130248
中图分类号:
O469 [凝聚态物理学];
学科分类号:
070205 ;
摘要:
At low temperatures, heat propagates in crystals in the form of collective excitations-second-sound waves. How the parameters of the phonon system of the crystal can be determined from the shape of the heat pulse is considered here. (C) 1998 American Institute of Physics.