Scalably learning quantum many-body Hamiltonians from dynamical data

F Wilde, A Kshetrimayum, I Roth, D Hangleiter… - arXiv preprint arXiv …, 2022 - arxiv.org
The physics of a closed quantum mechanical system is governed by its Hamiltonian.
However, in most practical situations, this Hamiltonian is not precisely known, and ultimately …

Growing extended Laughlin states in a quantum gas microscope: A patchwork construction

FA Palm, J Kwan, B Bakkali-Hassani, M Greiner… - Physical Review …, 2024 - APS
The study of fractional Chern insulators and their exotic anyonic excitations poses a major
challenge in current experimental and theoretical research. Quantum simulators, in …

Characterization of partially accessible anisotropic spin chains in the presence of anti-symmetric exchange

S Cavazzoni, M Adani, P Bordone… - New Journal of …, 2024 - iopscience.iop.org
We address quantum characterization of anisotropic spin chains in the presence of anti-
symmetric exchange, and investigate whether the Hamiltonian parameters of the chain may …

Microscopy of bosonic charge carriers in staggered magnetic fields

A Bohrdt, D Wei, D Adler, K Srakaew, S Agrawal… - arXiv preprint arXiv …, 2024 - arxiv.org
The interplay of spin and charge degrees of freedom is believed to underlie various
unresolved phenomena in strongly correlated systems. Quantum simulators based on …

Bayesian optimization for robust state preparation in quantum many-body systems

T Blatz, J Kwan, J Léonard, A Bohrdt - Quantum, 2024 - quantum-journal.org
New generations of ultracold-atom experiments are continually raising the demand for
efficient solutions to optimal control problems. Here, we apply Bayesian optimization to …

Preparing quantum states by measurement-feedback control with Bayesian optimization

Y Wu, J Yao, P Zhang - Frontiers of Physics, 2023 - Springer
The preparation of quantum states is crucial for enabling quantum computations and
simulations. In this work, we present a general framework for preparing ground states of …

Discrete real-time learning of quantum-state subspace evolution of many-body systems in the presence of time-dependent control fields

S Gui, TS Ho, H Rabitz - Physical Review A, 2024 - APS
A method is presented for discrete real-time learning (DRTL) of the evolution of a many-body
quantum state in the presence of time-dependent control fields. The DRTL method is based …

Solving The Quantum Many-Body Hamiltonian Learning Problem with Neural Differential Equations

T Heightman, E Jiang, A Acín - arXiv preprint arXiv:2408.08639, 2024 - arxiv.org
Understanding and characterising quantum many-body dynamics remains a significant
challenge due to both the exponential complexity required to represent quantum many-body …

Many-body dynamics with explicitly time-dependent neural quantum states

A Van de Walle, M Schmitt, A Bohrdt - arXiv preprint arXiv:2412.11830, 2024 - arxiv.org
Simulating the dynamics of many-body quantum systems is a significant challenge,
especially in higher dimensions where entanglement grows rapidly. Neural quantum states …

Fractional chern insulators in Hofstadter-Hubbard models

FA Palm - 2023 - edoc.ub.uni-muenchen.de
Seit der Entdeckung des integralen und des fraktionalen Quanten-Hall-Effekts in den
1980ern hat das Zusammenspiel topologischer Eigenschaften und starker …