What question did this study set out to answer?

The research aims to explore the emergence of interface-bound states, particularly Majorana zero modes, in a lateral heterostructure of topological insulators.

January 25, 2026International Journal of TopologyOpen Access

Interface-Bound States and Majorana Zero Modes in Lateral Heterostructures of Bi2Se3 and Sb2Te3 with Proximity-Induced Superconductivity

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Authors

YKYoonkang KimSeoul National University

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Implication

Comprehensive investigation shows emergence of Majorana zero modes in a heterostructure, indicating potential for quantum computing.

Key Points

The research aims to explore the emergence of interface-bound states, particularly Majorana zero modes, in a lateral heterostructure of topological insulators.
Developed a two-dimensional Dirac model for topological surface states.
Used Bogoliubov–de Gennes formalism to analyze bound states.
Computed local density of states at the interface.
Analyzed topological nature via winding numbers and Pfaffian invariants.
Identified zero-energy modes characteristic of Majorana zero modes.
Demonstrated robustness of these modes under various perturbations, including gating effects.
Predicted experimental signatures for tunneling spectroscopy.

Cite This Study

Yoonkang Kim (2026) studied this question.

synapsesocial.com/papers/6975b38dfeba4585c2d6f0fb https://doi.org/10.3390/ijt3010002

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Interface-Bound States and Majorana Zero Modes in Lateral Heterostructures of Bi2Se3 and Sb2Te3 with Proximity-Induced Superconductivity

Discussion

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Implication

Key Points

Cite This Study

Interface-Bound States and Majorana Zero Modes in Lateral Heterostructures of Bi2Se3 and Sb2Te3 with Proximity-Induced Superconductivity

Discussion

Member takes

Implication

Key Points

Cite This Study

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