Cavity-mediated thermal control of metal-to-insulator transition in 1T-TaS2

Jarc G, Mathengattil SY, Montanaro A, Giusti F, Rigoni EM, Sergo R, Fassioli Olsen F, Winnerl S, Dal Zilio S, Mihailovic D, Prelovšek P, Eckstein M, Fausti D (2023)

Publication Type: Journal article

Publication year: 2023

Journal

Nature Nature Research

Book Volume: 622

Pages Range: 487-492

Journal Issue: 7983

DOI: 10.1038/s41586-023-06596-2

Abstract

Placing quantum materials into optical cavities provides a unique platform for controlling quantum cooperative properties of matter, by both weak and strong light–matter coupling1,2. Here we report experimental evidence of reversible cavity control of a metal-to-insulator phase transition in a correlated solid-state material. We embed the charge density wave material 1T-TaS2 into cryogenic tunable terahertz cavities3 and show that a switch between conductive and insulating behaviours, associated with a large change in the sample temperature, is obtained by mechanically tuning the distance between the cavity mirrors and their alignment. The large thermal modification observed is indicative of a Purcell-like scenario in which the spectral profile of the cavity modifies the energy exchange between the material and the external electromagnetic field. Our findings provide opportunities for controlling the thermodynamics and macroscopic transport properties of quantum materials by engineering their electromagnetic environment.

Authors with CRIS profile

Angela Montanaro Lehrstuhl für Festkörperphysik Francesca Fassioli Olsen Professur für Theoretische Physik mit dem Schwerpunkt Molekulare Materialien Daniele Fausti Lehrstuhl für Festkörperphysik

Additional Organisation(s)

Sonderforschungsbereich/Transregio 306/1: Quantenkooperativität von Licht und Materie - QuCoLiMa FAU Profilzentrum Licht.Materie.Quantentechnologien (FAU LMQ)

Related research project(s)

Entangling collective behavior of quantum materials and quantum light (D06) TRR 306: Quantenkooperativität von Licht und Materie – QuCoLiMa Jan. 1, 2021 - Dec. 31, 2024

Involved external institutions

Università degli Studi di Trieste IT Italy (IT) Elettra Sincrotrone Trieste S.C.p.A. IT Italy (IT) Helmholtz-Zentrum Dresden-Rossendorf (HZDR) DE Germany (DE) Laboratorio Nazionale TASC IT Italy (IT) Jožef Stefan Institute SI Slovenia (SI) Universität Hamburg (UHH) DE Germany (DE)

How to cite

APA:

Jarc, G., Mathengattil, S.Y., Montanaro, A., Giusti, F., Rigoni, E.M., Sergo, R.,... Fausti, D. (2023). Cavity-mediated thermal control of metal-to-insulator transition in 1T-TaS2. Nature, 622(7983), 487-492. https://doi.org/10.1038/s41586-023-06596-2

MLA:

Jarc, Giacomo, et al. "Cavity-mediated thermal control of metal-to-insulator transition in 1T-TaS2." Nature 622.7983 (2023): 487-492.

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