Mass of Abrikosov vortex in high-temperature superconductor YBa2Cu3O7-δ

被引：0

作者：

Tesar, Roman ^{[1
]}

Sindler, Michal ^{[1
]}

Kadlec, Christelle ^{[1
]}

Lipavsky, Pavel ^{[2
]}

Skrbek, Ladislav ^{[2
]}

Kolacek, Jan ^{[1
]}

机构：

[1] Czech Acad Sci, Inst Phys, Na Slovance 2, Prague 18221 8, Czech Republic

[2] Charles Univ Prague, Fac Math & Phys, Ke Karlovu 3, Prague 12116 2, Czech Republic

来源：

SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期

关键词：

INERTIAL MASS; SUPERFLUIDS; VORTICES; FLUXON; FIELD;

D O I：

10.1038/s41598-021-00846-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

For more than four decades, mass of Abrikosov vortices defied experimental observations. We demonstrate a method of its detection in high-temperature superconductors. Similarly to electrons, fluxons circulate in the direction given by the magnetic field, causing circular dichroism. We report the magneto-transmittance of a nearly optimally doped thin YBa2Cu3O7-delta film, measured using circularly polarized submillimeter waves. The circular dichroism emerges in the superconducting state and increases with dropping temperature. Our results confirm the dominant role of quasiparticle states in the vortex core and yield the diagonal fluxon mass of 2.2 x 10(8) electron masses per centimeter at 45 K and zero-frequency limit, and even larger off-diagonal mass of 4.9 x 10(8) m(e)/cm.

引用

页数：7

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