Imaging the coherent propagation of collective modes in the excitonic insulator Ta 2 NiSe 5 at room temperature-Reference-Cited by-同舟云学术

Imaging the coherent propagation of collective modes in the excitonic insulator Ta 2 NiSe 5 at room temperature

Published:2021-07-09 Issue:28 Volume:7 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Bretscher Hope M.¹^ORCID,Andrich Paolo¹^ORCID,Murakami Yuta²^ORCID,Golež Denis³⁴⁵^ORCID,Remez Benjamin¹^ORCID,Telang Prachi⁶^ORCID,Singh Anupam⁶^ORCID,Harnagea Luminita⁶^ORCID,Cooper Nigel R.¹^ORCID,Millis Andrew J.³⁷,Werner Philipp⁸^ORCID,Sood A. K.⁹^ORCID,Rao Akshay¹^ORCID

Affiliation:

1. Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK.

2. Department of Physics, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan.

3. Center for Computational Quantum Physics, Flatiron Institute, New York, NY 10010, USA.

4. Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, SI-1000 Ljubljana, Slovenia.

5. Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia.

6. Department of Physics, Indian Institute of Science Education and Research, Pune, Maharashtra 411008, India.

7. Department of Physics, Columbia University, New York, NY 10027, USA.

8. Department of Physics, University of Fribourg, Fribourg 1700, Switzerland.

9. Department of Physics, Indian Institute of Science, Bangalore, Karnataka 560012, India.

Abstract

Pump-probe microscopy measurements reveal the presence of rapidly propagating phason-phonon modes in an excitonic condensate.

Funder

Simons Foundation

H2020 European Research Council

Engineering and Physical Sciences Research Council

European Research Council

Swiss National Science Foundation

Japan Society for the Promotion of Science

Japan Science and Technology Agency

department of science and technology, India

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference54 articles.

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5. Will a bose-condensed exciton gas be superfluid?

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