Transient Fano Resonance in topological insulators observed by coherent phonon spectroscopy

Mondal Richarj; Arai Akira; Saito Yuta; Fons Paul; Kolobov Alexander V.; Tominaga Junji; Hase Muneaki

doi:10.1051/epjconf/201920504021

EPJ Web of Conferences (Jan 2019)

Transient Fano Resonance in topological insulators observed by coherent phonon spectroscopy

Mondal Richarj,
Arai Akira,
Saito Yuta,
Fons Paul,
Kolobov Alexander V.,
Tominaga Junji,
Hase Muneaki

Affiliations

Mondal Richarj: Division of Applied Physics, Faculty of Pure and Applied Sciences, University of Tsukuba
Arai Akira: Division of Applied Physics, Faculty of Pure and Applied Sciences, University of Tsukuba
Saito Yuta: Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology
Fons Paul: Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology
Kolobov Alexander V.: Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology
Tominaga Junji: Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology
Hase Muneaki

DOI: https://doi.org/10.1051/epjconf/201920504021
Journal volume & issue: Vol. 205
p. 04021

Abstract

Read online

We report upon observation of a transient Fano resonance, a quantum interference between coherent phonon and Dirac plasmons, that persisted for up to 1 picosecond in the topological insulator Sb2Te3 investigated using coherent phonon spectroscopy.

Published in EPJ Web of Conferences

ISSN: 2100-014X (Online)
Publisher: EDP Sciences
Country of publisher: France
LCC subjects: Science: Physics
Website: http://www.epj-conferences.org/

About the journal