Magnetic manipulation of topological states in p-wave superconductors

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Magnetic manipulation of topological states in p-wave superconductors. / Mercaldo, Maria Teresa; Cuoco, Mario; Kotetes, Panagiotis.

In: Physica B: Condensed Matter, Vol. 536, 2018, p. 730-733.

Research output: Contribution to journal › Conference article › Research › peer-review

Harvard

Mercaldo, MT, Cuoco, M & Kotetes, P 2018, 'Magnetic manipulation of topological states in p-wave superconductors', Physica B: Condensed Matter, vol. 536, pp. 730-733. https://doi.org/10.1016/j.physb.2017.11.007

APA

Mercaldo, M. T., Cuoco, M., & Kotetes, P. (2018). Magnetic manipulation of topological states in p-wave superconductors. Physica B: Condensed Matter, 536, 730-733. https://doi.org/10.1016/j.physb.2017.11.007

Vancouver

Mercaldo MT, Cuoco M, Kotetes P. Magnetic manipulation of topological states in p-wave superconductors. Physica B: Condensed Matter. 2018;536:730-733. https://doi.org/10.1016/j.physb.2017.11.007

Author

Mercaldo, Maria Teresa ; Cuoco, Mario ; Kotetes, Panagiotis. / Magnetic manipulation of topological states in p-wave superconductors. In: Physica B: Condensed Matter. 2018 ; Vol. 536. pp. 730-733.

Bibtex

@inproceedings{a855b6338de440c5834be1550b72084c,
title = "Magnetic manipulation of topological states in p-wave superconductors",
abstract = "Substantial experimental investigation has provided evidence for spin-triplet pairing in diverse classes of materials and in a variety of artificial heterostructures. One of the fundamental challenges in this framework is how to manipulate the topological behavior of p-wave superconductors (PSC). In this work we investigate the magnetic field response of one-dimensional (1d) PSCs and we focus on the relation between the structure of the Cooper pair spin-configuration and the occurrence of topological phases with an enhanced number N of Majorana fermions per edge. The topological phase diagram, consisting of phases harboring Majorana modes, becomes significantly modified when one tunes the strength of the applied field, the direction of the d-vector and allows for long range hopping amplitudes in the 1d PSC. We find transitions between phases with different number N of Majorana fermions per edge and we show how they can be both induced by a variation of the hopping strength and a spin rotation of d.",
keywords = "Magnetic effects, P-wave superconductors, Topological phases",
author = "Mercaldo, {Maria Teresa} and Mario Cuoco and Panagiotis Kotetes",
note = "[Qdev]",
year = "2018",
doi = "10.1016/j.physb.2017.11.007",
language = "English",
volume = "536",
pages = "730--733",
journal = "Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics",
issn = "0921-4526",
publisher = "Elsevier BV * North-Holland",

}

RIS

TY - GEN

T1 - Magnetic manipulation of topological states in p-wave superconductors

AU - Mercaldo, Maria Teresa

AU - Cuoco, Mario

AU - Kotetes, Panagiotis

N1 - [Qdev]

PY - 2018

Y1 - 2018

N2 - Substantial experimental investigation has provided evidence for spin-triplet pairing in diverse classes of materials and in a variety of artificial heterostructures. One of the fundamental challenges in this framework is how to manipulate the topological behavior of p-wave superconductors (PSC). In this work we investigate the magnetic field response of one-dimensional (1d) PSCs and we focus on the relation between the structure of the Cooper pair spin-configuration and the occurrence of topological phases with an enhanced number N of Majorana fermions per edge. The topological phase diagram, consisting of phases harboring Majorana modes, becomes significantly modified when one tunes the strength of the applied field, the direction of the d-vector and allows for long range hopping amplitudes in the 1d PSC. We find transitions between phases with different number N of Majorana fermions per edge and we show how they can be both induced by a variation of the hopping strength and a spin rotation of d.

AB - Substantial experimental investigation has provided evidence for spin-triplet pairing in diverse classes of materials and in a variety of artificial heterostructures. One of the fundamental challenges in this framework is how to manipulate the topological behavior of p-wave superconductors (PSC). In this work we investigate the magnetic field response of one-dimensional (1d) PSCs and we focus on the relation between the structure of the Cooper pair spin-configuration and the occurrence of topological phases with an enhanced number N of Majorana fermions per edge. The topological phase diagram, consisting of phases harboring Majorana modes, becomes significantly modified when one tunes the strength of the applied field, the direction of the d-vector and allows for long range hopping amplitudes in the 1d PSC. We find transitions between phases with different number N of Majorana fermions per edge and we show how they can be both induced by a variation of the hopping strength and a spin rotation of d.

KW - Magnetic effects

KW - P-wave superconductors

KW - Topological phases

U2 - 10.1016/j.physb.2017.11.007

DO - 10.1016/j.physb.2017.11.007

M3 - Conference article

AN - SCOPUS:85033779398

VL - 536

SP - 730

EP - 733

JO - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics

JF - Physica B: Physics of Condensed Matter & C: Atomic, Molecular and Plasma Physics, Optics

SN - 0921-4526

ER -

ID: 196204423