Simon Karch
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View article: Strongly interacting Meissner phases in large bosonic flux ladders
Strongly interacting Meissner phases in large bosonic flux ladders Open
Periodically driven quantum systems can realize phases of matter that do not appear in time-independent Hamiltonians. One application is the engineering of synthetic gauge fields, which enables the study of topological many-body physics wi…
View article: Probing quantum many-body dynamics using subsystem Loschmidt echos
Probing quantum many-body dynamics using subsystem Loschmidt echos Open
The Loschmidt echo - the probability of a quantum many-body system to return to its initial state following a dynamical evolution - generally contains key information about a quantum system, relevant across various scientific fields includ…
View article: Realization of strongly-interacting Meissner phases in large bosonic flux ladders
Realization of strongly-interacting Meissner phases in large bosonic flux ladders Open
Periodically driven quantum systems can realize novel phases of matter that are not present in time-independent Hamiltonians. One important application is the engineering of synthetic gauge fields, which opens the realm of topological many…
View article: Emergence of fluctuating hydrodynamics in chaotic quantum systems
Emergence of fluctuating hydrodynamics in chaotic quantum systems Open
A fundamental principle of chaotic quantum dynamics is that local subsystems eventually approach a thermal equilibrium state. The corresponding timescales increase with subsystem size as equilibration is limited by the hydrodynamic build-u…
View article: Local Readout and Control of Current and Kinetic Energy Operators in Optical Lattices
Local Readout and Control of Current and Kinetic Energy Operators in Optical Lattices Open
Quantum gas microscopes have revolutionized quantum simulations with ultracold atoms, allowing one to measure local observables and snapshots of quantum states. However, measurements so far were mostly carried out in the occupation basis. …
View article: Local readout and control of current and kinetic energy operators in optical lattices
Local readout and control of current and kinetic energy operators in optical lattices Open
Quantum gas microscopes have revolutionized quantum simulations with ultracold atoms, allowing to measure local observables and snapshots of quantum states. However, measurements so far were mostly carried out in the occupation basis. Here…
View article: Emergence of fluctuating hydrodynamics in chaotic quantum systems
Emergence of fluctuating hydrodynamics in chaotic quantum systems Open
A fundamental principle of chaotic quantum dynamics is that local subsystems eventually approach a thermal equilibrium state. Large subsystems thermalize slower: their approach to equilibrium is limited by the hydrodynamic build-up of larg…