Diagnosing topological phase transitions in 1D superconductors using Berry singularity markers

doi:10.1088/1361-648X/ac4f1e

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Diagnosing topological phase transitions in 1D superconductors using Berry singularity markers
	Kotetes, Panagiotis
刊名	JOURNAL OF PHYSICS-CONDENSED MATTER
	2022
卷号	34 期号:17 页码:174003
关键词	ZERO-BIAS PEAKS MAJORANA FERMIONS
ISSN号	0953-8984
DOI	10.1088/1361-648X/ac4f1e
英文摘要	In this work I demonstrate how to characterize topological phase transitions in BDI symmetry class superconductors (SCs) in 1D, using the recently introduced approach of Berry singularity markers (BSMs). In particular, I apply the BSM method to the celebrated Kitaev chain model, as well as to a variant of it, which contains both nearest and next nearest neighbor equal spin pairings. Depending on the situation, I identify pairs of external fields which can detect the topological charges of the Berry singularities which are responsible for the various topological phase transitions. These pairs of fields consist of either a flux knob which controls the supercurrent flow through the SC, or, strain, combined with a field which can tune the chemical potential of the system. Employing the present BSM approach appears to be within experimental reach for topological nanowire hybrids.
学科主题	Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27730]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Kotetes, Panagiotis. Diagnosing topological phase transitions in 1D superconductors using Berry singularity markers[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2022,34(17):174003.
APA	Kotetes, Panagiotis.(2022).Diagnosing topological phase transitions in 1D superconductors using Berry singularity markers.JOURNAL OF PHYSICS-CONDENSED MATTER,34(17),174003.
MLA	Kotetes, Panagiotis."Diagnosing topological phase transitions in 1D superconductors using Berry singularity markers".JOURNAL OF PHYSICS-CONDENSED MATTER 34.17(2022):174003.