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We propose heterostructures that realize first and second order topological superconductivity with vanishing net magnetization by utilizing altermagnetism. Such platforms may offer a significant improvement over conventional platforms with…

介观与纳米尺度物理 · 物理学 2025-05-13 Sayed Ali Akbar Ghorashi , Taylor L. Hughes , Jennifer Cano

The mutual competition and synergy of magnetism and superconductivity provide us with a very valuable opportunity to access topological superconductivity and Majorana Fermions. Here, we devise a heterostructure consisting of an $s$-wave…

超导电性 · 物理学 2023-11-13 Yu-Xuan Li , Cheng-Cheng Liu

We propose a novel platform for the creation and manipulation of Majorana zero modes consisting of a ferromagnetic metallic wire placed between conventional superconductors which are in proximity to ferromagnetic insulators. Our device…

超导电性 · 物理学 2022-09-16 Giorgos Livanas , Nikos Vanas , Manfred Sigrist , Georgios Varelogiannis

We propose and investigate a new platform for the realization of Majorana zero modes in a thin-film heterostructure composed of an easy-plane ferromagnet and a superconductor with spin-orbit coupling. The system can support an energetically…

超导电性 · 物理学 2023-01-04 Vedangi Pathak , Sayak Dasgupta , Marcel Franz

We propose a theoretical model to investigate the interplay between altermagnetism and $p$-wave superconductivity, with a particular focus on topological phase transitions in a two-dimensional (2D) $p$-wave superconductor, considering both…

超导电性 · 物理学 2025-08-06 Pritam Chatterjee , Vladimir Juričić

Topological quantum computation, featuring qubits built out of anyonic excitations known as Majorana zero modes (MZMs), have long presented an exciting pathway towards scalable quantum computation. Recently, the advent of altermagnetic…

介观与纳米尺度物理 · 物理学 2025-06-11 Themba Hodge , Eric Mascot , Stephan Rachel

Majorana zero modes in condensed matter systems have been the subject of much interest in recent years. Their non-Abelian exchange statistics, making them a unique state of matter, and their potential applications in topological quantum…

介观与纳米尺度物理 · 物理学 2022-01-26 Omri Lesser , Yuval Oreg

We present a novel controllable platform for engineering Majorana zero modes. The platform consists of a ferromagnetic metallic wire placed among conventional superconductors, which are in proximity to ferromagnetic insulators. We…

超导电性 · 物理学 2021-12-01 Giorgos Livanas , Nikolaos Vanas , Georgios Varelogiannis

We propose a simple model consisting of a magnetic domain wall proximity-coupled to an $s$-wave superconductor for realization of Majorana zero-energy modes. A spin-dependent gauge transformation translates the rotating magnetic profile…

强关联电子 · 物理学 2016-03-24 Babak Zare Rameshti , Yaser Hajati , Imam Makhfudz

Spin-orbit coupled semiconducting nanowires with proximity-induced superconductivity are expected to host Majorana zero modes at their endpoints when a sufficiently strong magnetic field is applied. The resulting phase would be a…

介观与纳米尺度物理 · 物理学 2017-11-22 David J. Clarke

We propose a platform based on a fully compensated ferrimagnet (fFIM) for realizing and controlling topological superconductivity with Majorana bound states across multiple dimensions. Through symmetry analysis and microscopic modeling, we…

超导电性 · 物理学 2025-04-29 Yu-Xuan Li , Yicheng Liu , Cheng-Cheng Liu

We show that the presence of Majorana zero-modes in a one-dimensional topological superconductor can be detected by adiabatic cooling. This cooling effect results from an increase of the topological entropy associated with the ground state…

介观与纳米尺度物理 · 物理学 2014-01-15 Chang-Yu Hou , Yafis Barlas , Kirill Shtengel

Magnetic skyrmions are nanoscale spin configurations that can be efficiently created and manipulated. They hold great promises for next-generation spintronics applications. In parallel to these developments, the interplay of magnetism,…

超导电性 · 物理学 2019-10-24 Maxime Garnier , Andrej Mesaros , Pascal Simon

Solid-state experimental realizations of Majorana bound states are based on materials with strong intrinsic spin-orbit interactions. In this paper, we explore an alternative approach where spin-orbit coupling is induced artificially through…

介观与纳米尺度物理 · 物理学 2021-02-05 Sara Turcotte , Samuel Boutin , Julien Camirand Lemyre , Ion Garate , Michel Pioro-Ladrière

We investigate the topological phase diagram of {an extension of the Haldane model with equal spin pairing superconductivity}. In two dimensions, we find a topological nodal superconducting phase, which exhibits a chiral Majorana mode…

介观与纳米尺度物理 · 物理学 2026-04-21 Simone Traverso , Niccolò Traverso Ziani , Maura Sassetti , Fernando Dominguez

Realizing topological superconductivity and Majorana zero modes in the laboratory is one of the major goals in condensed matter physics. We review the current status of this rapidly-developing field, focusing on semiconductor-superconductor…

超导电性 · 物理学 2018-05-11 R. M. Lutchyn , E. P. A. M. Bakkers , L. P. Kouwenhoven , P. Krogstrup , C. M. Marcus , Y. Oreg

Altermagnet-superconductor heterostructures have been shown, in principle, to provide a route towards realising topological superconductivity, and therefore host topologically protected boundary states. In this work we demonstrate that the…

介观与纳米尺度物理 · 物理学 2026-01-12 George McArdle , Brian Kiraly , Peter Wadley , Adam Gammon-Smith

Topological quantum computation using non-Abelian Majorana zero modes localized in proximitized semiconductor nanowires requires careful electrostatic control of wire-junctions so as to manipulate and braid the zero modes enabling anyonic…

介观与纳米尺度物理 · 物理学 2018-01-16 Tudor D. Stanescu , Sankar Das Sarma

A semiconducting nanowire with strong Rashba coupling and in proximity of a superconductor hosts Majorana edge modes. An array of such nanowires with inter-wire coupling gives an approximate description of a two-dimensional topological…

介观与纳米尺度物理 · 物理学 2021-01-08 Deepti Rana , Goutam Sheet

A recent experiment [Mourik et al., Science 336, 1003 (2012)] on InSb quantum wires provides possible evidence for the realization of a topological superconducting phase and the formation of Majorana bound states. Motivated by this…

介观与纳米尺度物理 · 物理学 2015-03-20 Falko Pientka , Graham Kells , Alessandro Romito , Piet W. Brouwer , Felix von Oppen
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