Thermal interferometry of anyons
Thermal interferometry of anyons
复制标题
任意子热干涉测量
DOI:
10.1103/physrevb.107.104406
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发表时间:
2023
影响因子:
3.7
通讯作者:
Feldman, D. E.
中科院分区:
文献类型:
--
作者:
Wei, Zezhu;Batra, Navketan;Mitrović, V. F.;Feldman, D. E.
Anyonic interferometry probes the braiding phases of excitations in topologically ordered matter. This technique is well established for charged quasiparticles in the fractional quantum Hall effect. We propose to extend it to neutral anyons, such as Ising anyons in Kitaev magnets and quasiparticles in other neutral spin liquids. We find that the thermal current through an interferometer is sensitive to the statistics of tunneling quasiparticles. We present a systematic investigation of signatures of various Abelian and non-Abelian topological orders in Fabry-Pérot and Mach-Zehnder interferometers. The heat current through a Fabry-Pérot device is different for different topological orders and depends on the topological charge inside the interferometer. A Mach-Zehnder device shows interference in topologically trivial systems only. For a nontrivial statistics, the heat current reduces to the sum of the contributions from two constrictions in the interferometer. Furthermore, we identify another probe of topological order that involves the scaling of the thermal current through a single tunneling contact at low temperatures. The current shows a universal temperature dependence, sensitive to the topological order in the system.
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影响因子:
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作者:
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通讯作者:
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作者:
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影响因子:
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作者:
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影响因子:
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通讯作者:
G. Halász
DOI:
--
发表时间:
2021
期刊:
Journal Club for Condensed Matter Physics
影响因子:
--
作者:
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通讯作者:
I. Marcotuli