OSCILLATION STABILITY OF LEVITATED HTSC IN INHOMOGENEOUS MAGNETIC-FIELD

被引：11
|
作者：
POSTREKHIN, EV
KOSCHEEVA, SN
ZHOU, LW
机构：
[1] FUDAN UNIV,TD LEE PHYS LAB,SHANGHAI 200433,PEOPLES R CHINA
[2] FUDAN UNIV,DEPT PHYS,SHANGHAI 200433,PEOPLES R CHINA
[3] RUSSIAN ACAD SCI,INST THERMOPHYS,SVERDLOVSK 620219,RUSSIA
[4] RUSSIAN ACAD SCI,INST SOLID STATE CHEM,SVERDLOVSK 620219,RUSSIA
来源：
PHYSICA C | 1995年 / 248卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(95)00251-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The stability of the horizontal and vertical oscillations of anisotropic high-T-c superconductors (HTSC's) in an inhomogeneous magnetic field has been investigated. The oscillation amplitude of the levitated HTSC's was measured as function of the external force frequency and amplitude. The resonant oscillations of the levitated superconductors were observed for external field frequencies from 20 to 40 Hz. It is demonstrated that the system consisting of a superconductor, a coil and four permanent magnets has strong stiffness. This behavior is described with the general theory of oscillations.
引用
收藏
页码：311 / 316
页数：6
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