1k citations · 4.5k across the 41 of their papers we have counts for
22 papers · 1 filter
Entanglement and Topology in Su-Schrieffer-Heeger Cavity Quantum Electrodynamics
Daniel Shaffer, Martin Claassen, Ajit Srivastava +1
Cavity materials are a frontier to investigate the role of light-matter interactions on the properties of electronic phases of matter. In this work, we raise a fundamental question…
Angle-Resolved Pair Photoemission Theory for Correlated Electrons
Thomas P. Devereaux, Martin Claassen, Xu-Xin Huang +6
In this paper we consider the possibility and conditions for pair photoemission whereby two incident photons emit pairs of electrons from a candidate material as a novel method to…
Quantum-Geometric Light-Matter Coupling in Correlated Quantum Materials
Wai Ting Tai, Martin Claassen
Irradiation with light provides a powerful tool to interrogate, control or induce new quantum states of matter out of equilibrium, however a microscopic understanding of light-matt…
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…
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…
Witnessing nonequilibrium entanglement dynamics in a strongly correlated fermionic chain
Denitsa R. Baykusheva, Mona H. Kalthoff, Damian Hofmann +4
Many-body entanglement in condensed matter systems can be diagnosed from equilibrium response functions through the use of entanglement witnesses and operator-specific quantum boun…
Dissipation Induced Flat Bands
Spenser Talkington, Martin Claassen
Flat bands are an ideal environment to realize unconventional electronic phases. Here, we show that fermionic systems with dissipation governed by a Bloch Lindbladian can realize d…
Moiré Engineering of Spin-Orbit Coupling in Twisted Platinum Diselenide
Lennart Klebl, Qiaoling Xu, Ammon Fischer +4
We study the electronic structure and correlated phases of twisted bilayers of platinum diselenide using large-scale ab initio simulations combined with the functional renormalizat…
Sign-Free Determinant Quantum Monte Carlo Study of Excitonic Density Orders in a Two-Orbital Hubbard-Kanamori Model
Xu-Xin Huang, Brian Moritz, Martin Claassen +1
While excitonic instabilities in multiorbital systems recently have come under scrutiny in a variety of transition-metal compounds, understanding emergence of these instabilities f…
Ultra-Strong Spin-Orbit Coupling and Topological Moiré Engineering in Twisted ZrS2 Bilayers
Martin Claassen, Lede Xian, Dante M. Kennes +1
We predict that twisted bilayers of 1T-ZrS realize a novel and tunable platform to engineer two-dimensional topological quantum phases dominated by strong spin-orbit interactio…
Light-Induced Control of Magnetic Phases in Kitaev Quantum Magnets
Adithya Sriram, Martin Claassen
Leveraging coherent light-matter interaction in solids is a promising new direction towards control and functionalization of quantum materials, to potentially realize regimes inacc…
Nonthermal pathways to ultrafast control in quantum materials
A. de la Torre, D. M. Kennes, M. Claassen +3
We review recent progress in utilizing ultrafast light-matter interaction to control the macroscopic properties of quantum materials. Particular emphasis is placed on photoinduced…
Light-induced topological magnons in two-dimensional van der Waals magnets
Emil Viñas Boström, Martin Claassen, James W. McIver +3
Driving a two-dimensional Mott insulator with circularly polarized light breaks time-reversal and inversion symmetry, which induces an optically-tunable synthetic scalar spin chira…
One-dimensional flat bands in twisted bilayer germanium selenide
D. M. Kennes, L. Xian, M. Claassen +1
Experimental advances in the fabrication and characterization of few-layer materials stacked at a relative twist of small angle have recently shown the emergence of flat energy ban…
Theoretical Understanding of Photon Spectroscopies in Correlated Materials In and Out of Equilibrium
Yao Wang, Martin Claassen, Chaitanya Das Pemmaraju +3
Photon-based spectroscopies have had a significant impact on both fundamental science and applications by providing an efficient approach to investigate the microscopic physics of…
Biexciton Condensation in Electron-hole Doped Hubbard Bilayers -- A Sign-Problem-Free Quantum Monte Carlo Study
Xuxin Huang, Martin Claassen, Edwin W. Huang +2
The bilayer Hubbard model with electron-hole doping is an ideal platform to study excitonic orders due to suppressed recombination via spatial separation of electrons and holes. Ho…
Light-induced d-wave superconductivity through Floquet-engineered Fermi surfaces in cuprates
Dante M. Kennes, Martin Claassen, Michael A. Sentef +1
We introduce a mechanism for light-induced Floquet engineering of the Fermi surface to dynamically tip the balance between competing instabilities in correlated condensed matter sy…
Producing Coherent Excitations in Pumped Mott Antiferromagnetic Insulators
Yao Wang, Martin Claassen, B. Moritz +1
Nonequilibrium dynamics in correlated materials has attracted attention due to the possibility of characterizing, tuning, and creating complex ordered states. To understand the pho…
Band structure engineering of ideal fractional Chern insulators
Ching Hua Lee, Martin Claassen, Ronny Thomale
As lattice analogs of fractional quantum Hall systems, fractional Chern insulators (FCIs) exhibit enigmatic physical properties resulting from the intricate interplay between singl…
Dynamical Time-Reversal Symmetry Breaking and Photo-Induced Chiral Spin Liquids in Frustrated Mott Insulators
Martin Claassen, Hong-Chen Jiang, Brian Moritz +1
The search for quantum spin liquids in frustrated quantum magnets recently has enjoyed a surge of interest, with various candidate materials under intense scrutiny. However, an exp…
Position-Momentum Duality and Fractional Quantum Hall Effect in Chern Insulators
Martin Claassen, Ching Hua Lee, Ronny Thomale +2
We develop a first quantization description of fractional Chern insulators that is the dual of the conventional fractional quantum Hall (FQH) problem, with the roles of position an…
Shedding light on non-equilibrium dynamics of a spin coupled to fermionic reservoir
Hakan E. Türeci, M. Hanl, M. Claassen +7
A single confined spin interacting with a solid-state environment has emerged as one of the fundamental paradigms of mesoscopic physics. In contrast to standard quantum optical sys…