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Topological superconductors: a review.

Masatoshi Sato¹, Yoichi Ando²

¹Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan.

Reports on Progress in Physics. Physical Society (Great Britain)

|April 4, 2017

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This review explains topological superconductors, their properties, and materials. It clarifies the link between topological superconductivity and Majorana fermions, highlighting experimental progress and signatures.

Area of Science:

Condensed Matter Physics
Quantum Materials
Topological Phases of Matter

Background:

Topological superconductors represent a novel quantum state of matter with exotic properties.
Understanding their fundamental concepts and theoretical underpinnings is crucial for advancing quantum technologies.

Purpose of the Study:

To provide a pedagogical elaboration on the concept, theory, properties, and material realizations of topological superconductors.
To elucidate the relationship between topological superconductivity and Majorana fermions, distinguishing between dispersive and localized forms.
To review various synthetic routes, emphasizing the role of spin-orbit coupling and summarizing current experimental status and signatures.

Main Methods:

Comprehensive review of existing literature on topological superconductivity.

Related Experiment Videos

Pedagogical explanation of theoretical concepts and material properties.

Analysis of experimental approaches and signatures, focusing on intrinsic topological superconductors.

Main Results:

Detailed explanation of the fundamental principles and expected properties of topological superconductors.
Clarification of the connection between topological superconductivity and Majorana fermions, including Majorana zero modes.
Overview of different pathways to achieve topological superconductivity, with a focus on spin-orbit coupling.

Conclusions:

Topological superconductors offer unique platforms for exploring Majorana physics.
Significant progress has been made in experimental realization and identification of signatures.
Further research into intrinsic topological superconductors is essential for harnessing their potential.