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Dynamics of electronic states in the insulating Intermediate surface phase of 1T-TaS
Jingwei Dong, Weiyan Qi, Dongbin Shin +14
This article reports a comparative study of bulk and surface properties in the transition metal dichalcogenide 1T-TaS. When heating the sample, the surface displays an intermed…
Strongly-Correlated Electron-Photon Systems
Jacqueline Bloch, Andrea Cavalleri, Victor Galitski +2
An important goal of modern condensed matter physics involves the search for states of matter with new emergent properties and desirable functionalities. Although the tools for mat…
Terahertz parametric amplification as a reporter of exciton condensate dynamics
Sheikh Rubaiat Ul Haque, Marios H. Michael, Junbo Zhu +10
Condensates are a hallmark of emergence in quantum materials with superconductors and charge density wave as prominent examples. An excitonic insulator (EI) is an intriguing additi…
Cavity-renormalized quantum criticality in a honeycomb bilayer antiferromagnet
Lukas Weber, Emil Viñas Boström, Martin Claassen +2
Strong light-matter interactions as realized in an optical cavity provide a tantalizing opportunity to control the properties of condensed matter systems. Inspired by experimental…
Observation of a new light-induced skyrmion phase in the Mott insulator Cu2OSeO3
Alexey A. Sapozhnik, Benoit Truc, Phoebe Tengdin +10
We report the discovery of a novel skyrmion phase in the multiferroic insulator Cu2OSeO3 for magnetic fields below the equilibrium skyrmion pocket. This phase can be accessed by ex…
Controlling the magnetic state of the proximate quantum spin liquid -RuCl with an optical cavity
Emil Vinas Boström, Adithya Sriram, Martin Claassen +1
Harnessing the enhanced light-matter coupling and quantum vacuum fluctuations resulting from mode volume compression in optical cavities is a promising route towards functionalizin…