Coherent order parameter oscillations in the ground state of the excitonic insulator Ta 2 NiSe 5-Reference-Cited by-同舟云学术

Coherent order parameter oscillations in the ground state of the excitonic insulator Ta 2 NiSe 5

Published:2018-03-02 Issue:3 Volume:4 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Werdehausen Daniel¹²^ORCID,Takayama Tomohiro¹³^ORCID,Höppner Marc¹^ORCID,Albrecht Gelon¹²^ORCID,Rost Andreas W.¹³,Lu Yangfan⁴^ORCID,Manske Dirk¹^ORCID,Takagi Hidenori¹³⁴^ORCID,Kaiser Stefan¹²^ORCID

Affiliation:

1. Max Planck Institute for Solid State Research, 70569 Stuttgart, Germany.

2. 4th Physics Institute, University of Stuttgart, 70569 Stuttgart, Germany.

3. Institute for Functional Matter and Quantum Technologies, University of Stuttgart, 70569 Stuttgart, Germany.

4. Department of Physics, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.

Abstract

Ultrafast spectroscopy reveals coherent oscillations of a phonon-coupled BEC of excitons in an excitonic insulator.

Funder

Daimler und Benz Stiftung

Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference43 articles.

1. The transition to the metallic state;Mott N. F.;Philos. Mag.,1961

2. R. S. Knox Theory of excitons in Solid State Physics F. Seitz D. Turnbull Eds. (Academic Press 1963) suppl. 5 p. 100.

3. Possible instability of semimetallic state towards Coulomb interaction;Keldysh L. V.;Sov. Phys. Solid State,1965

4. Excitonic Insulator

5. Possible anomalies at a semimetal-semiconductor transition;Halperin B. I.;Rev. Mod. Phys.,1968

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