ArticleScientific reports2022
Role of Majorana fermions in high-harmonic generation from Kitaev chain.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 29 citations in OpenAlex.
- Statistical Topology-Distribution and Density Correlations of Winding Numbers in Chiral Systems.Entropy (Basel, Switzerland) · 2023Article
- Detecting Majorana Zero Modes via Strong Field Dynamics.ACS omega · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
The observation of Majorana fermions as collective excitations in condensed-matter systems is an ongoing quest, and several state-of-the-art experiments have been performed in the last decade. As a potential avenue in this direction, we simulate the high-harmonic spectrum of Kitaev's superconducting chain model that hosts Majorana edge modes in its topological phase. It is well-known that this system exhibits a topological-trivial superconducting phase transition. We demonstrate that high-harmonic spectroscopy is sensitive to the phase transition in presence of open boundary conditions due to the presence or absence of these edge modes. The population dynamics of the Majorana edge modes are different from the bulk modes, which is the underlying reason for the distinct harmonic profile of both the phases. On the contrary, in presence of periodic boundary conditions with only bulk modes, high-harmonic spectroscopy becomes insensitive to the phase transition with similar harmonic profiles in both phases.
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