Publications related to Competing orders in strongly correlated systems studied by transport measurements

Weyl metallic state induced by helical magnetic order

Henrik Moodysson Rønnow, Jan Hugo Dil, Ivica Zivkovic, Jian Rui Soh, Xupeng Yang

In the rapidly expanding field of topological materials there is growing interest in systems whose topological electronic band features can be induced or controlled by magnetism. Magnetic Weyl semimetals, which contain linear band crossings near the Fermi ...

Berlin2024

Murunskite - a new class of functional material

Davor Tolj

The subject of the present work is discovery and in-depth characterization of a new class of functional materials. Tuning of the bond polarity and orbital occupation with a goal of establishing balance between localization and delocalization of electrons - ...

EPFL2023

Many-body physics with strongly interacting fermions coupled to light

Victor Youri Helson

This thesis reports on the realization of the first experiments conducted with superfluid, strongly interacting Fermi gases of 6Li coupled to the light field of an optical cavity. In the scope of existing ultracold atomic platforms, this is the first time ...

EPFL2023

Machine-learning the electronic density of states: electronic properties without quantum mechanics

Chiheb Ben Mahmoud

The electronic density of states (DOS) quantifies the distribution of the energy levels that can be occupied by electrons in a quasiparticle picture and is central to modern electronic structure theory. It also underpins the computation and interpretation ...

EPFL2023

Correlated insulator collapse due to quantum avalanche via in-gap ladder states

Camille Didier Georges Aron, Xi Chen

The significant discrepancy observed between the predicted and experimental switching fields in correlated insulators under a DC electric field far-from-equilibrium necessitates a reevaluation of current microscopic understanding. Here we show that an elec ...

NATURE PORTFOLIO2023

Twisted chiral superconductivity in photodoped frustrated Mott insulators

Markus Müller, Jiajun Li

Recent advances in ultrafast pump-probe spectroscopy provide access to hidden phases of correlated matter, including light-induced superconducting states. The theoretical understanding of these nonequilibrium phases remains limited, particularly for correl ...

AMER PHYSICAL SOC2023

Cavity Quantum Electrodynamics with strongly correlated fermions

Kevin Etienne Robert Roux

This thesis presents the first cavity quantum electrodynamics experiments performed with a degenerate gas of

^6

Li with strong atom-atom interactions. The first part of this manuscript describes the design and the building of the apparatus that has been e ...

EPFL2022

Anisotropic and nonlinear transport in microstructured 3D topological semimetals

Xiangwei Huang

Topological semimetals are frequently discussed as materials platforms for future electronics that exploit the remarkable properties of their quasiparticles. These ideas are mostly based on dispersion relations that mimic relativistic particles, such as We ...

EPFL2022

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Philip Johannes Walter Moll, Matthias Carsten Putzke, Yi-Chiang Sun, Chunyu Guo, Xiangwei Huang

The cascade of electronic phases in CsV3Sb5 raises the prospect to disentangle their mutual interactions in a clean, strongly interacting kagome lattice. When the kagome planes are stacked into a crystal, its electronic dimensionality encodes how much of t ...

AMER PHYSICAL SOC2022

Optomechanical response of a strongly interacting Fermi gas

Jean-Philippe Brantut, Timo Zwettler, Victor Youri Helson, Kevin Etienne Robert Roux, Hideki Konishi

We study a Fermi gas with strong, tunable interactions dispersively coupled to a high-finesse cavity. Upon probing the system along the cavity axis, we observe a strong optomechanical Kerr nonlinearity originating from the density response of the gas to th ...

AMER PHYSICAL SOC2022

Competing orders in strongly correlated systems studied by transport measurements

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Weyl metallic state induced by helical magnetic order

Murunskite - a new class of functional material

Many-body physics with strongly interacting fermions coupled to light

Machine-learning the electronic density of states: electronic properties without quantum mechanics

Correlated insulator collapse due to quantum avalanche via in-gap ladder states

Twisted chiral superconductivity in photodoped frustrated Mott insulators

Cavity Quantum Electrodynamics with strongly correlated fermions

Anisotropic and nonlinear transport in microstructured 3D topological semimetals

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Optomechanical response of a strongly interacting Fermi gas

Machine-learning the electronic density of states: electronic properties without quantum mechanics

Murunskite - a new class of functional material

Anisotropic and nonlinear transport in microstructured 3D topological semimetals

Many-body physics with strongly interacting fermions coupled to light

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Correlated insulator collapse due to quantum avalanche via in-gap ladder states

Weyl metallic state induced by helical magnetic order

Twisted chiral superconductivity in photodoped frustrated Mott insulators

Cavity Quantum Electrodynamics with strongly correlated fermions

Optomechanical response of a strongly interacting Fermi gas