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Martin Gärttner
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2
Variational Learning of Quantum Ground States on Spiking Neuromorphic Hardware
Summary Recent research has demonstrated the usefulness of neural networks as variational ansatz functions for quantum many-body …
Robert Klassert
,
Andreas Baumbach
,
Mihai A. Petrovici
,
Martin Gärttner
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Project
DOI
Absence of thermalization in an interacting system of thousands of quantum spins
Understanding how closed quantum systems dynamically approach thermal equilibrium presents a major unresolved problem in statistical …
Titus Franz
,
Sebastian Geier
,
Clément Hainaut
,
Adrien Signoles
,
Nithiwadee Thaicharoen
,
Annika Tebben
,
André Salzinger
,
Adrian Braemer
,
Martin Gärttner
,
Gerhard Zürn
,
Matthias Weidemüller
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Project
DOI
Monte Carlo sampling of complex actions in extended state spaces
Path integrals with complex actions are encountered for many physical systems ranging from spin- or mass-imbalanced atomic gases and …
Lukas Kades
,
Martin Gärttner
,
Thomas Gasenzer
,
Jan M. Pawlowski
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DOI
Pairing with strings attached
Charge carriers in an engineered bilayer Mott insulator are predicted to form tightly bound, mobile pairs, glued together by string …
Martin Gärttner
,
Markus Garst
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DOI
Semiclassical simulations predict glassy dynamics for disordered Heisenberg models
We numerically study out-of-equilibrium dynamics in a family of Heisenberg models with $\frac{1}{r^6}$ power-law interactions and …
P. Schultzen
,
T. Franz
,
C. Hainaut
,
S. Geier
,
A. Salzinger
,
A. Tebben
,
G. Zürn
,
Martin Gärttner
,
M. Weidemüller
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Project
DOI
Detecting Entanglement Structure in Continuous Many-Body Quantum Systems
A prerequisite for the comprehensive understanding of many-body quantum systems is a characterization in terms of their entanglement …
Philipp Kunkel
,
Maximilian Prüfer
,
Stefan Lannig
,
Robin Strohmaier
,
Martin Gärttner
,
Helmut Strobel
,
Markus K. Oberthaler
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DOI
Entropic entanglement criteria in phase space
We derive entropic inseparability criteria for the phase-space representation of quantum states. In contrast to criteria involving …
Stefan Floerchinger
,
Martin Gärttner
,
Tobias Haas
,
Oliver Stockdale
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Project
DOI
Spiking neuromorphic chip learns entangled quantum states
The approximation of quantum states with artificial neural networks has gained a lot of attention during the last years. Meanwhile, …
Stefanie Czischek
,
Andreas Baumbach
,
Sebastian Billaudelle
,
Benjamin Cramer
,
Lukas Kades
,
Jan M. Pawlowski
,
Markus K. Oberthaler
,
Johannes Schemmel
,
Mihai A. Petrovici
,
Thomas Gasenzer
,
Martin Gärttner
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Project
DOI
Glassy quantum dynamics of disordered Ising spins
We study out-of-equilibrium dynamics in the quantum Ising model with power-law interactions and positional disorder. For arbitrary …
P. Schultzen
,
T. Franz
,
S. Geier
,
A. Salzinger
,
A. Tebben
,
C. Hainaut
,
G. Zürn
,
M. Weidemüller
,
Martin Gärttner
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Project
DOI
Single-particle localization in a two-dimensional Rydberg spin system
We study excitation transport in a two-dimensional system of randomly assembled spins with power-law hopping in two dimensions. This …
Jan Philipp Klinger
,
Martin Gärttner
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Project
DOI
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