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Johann Ostmeyer
Johann Ostmeyer
Helmholtz Institute for Radiation and Nuclear Physics, University of Bonn
Bestätigte E-Mail-Adresse bei hiskp.uni-bonn.de - Startseite
Titel
Zitiert von
Zitiert von
Jahr
Machine learning to alleviate Hubbard-model sign problems
JL Wynen, E Berkowitz, S Krieg, T Luu, J Ostmeyer
Physical Review B 103 (12), 125153, 2021
352021
Semimetal–Mott insulator quantum phase transition of the Hubbard model on the honeycomb lattice
J Ostmeyer, E Berkowitz, S Krieg, TA Lähde, T Luu, C Urbach
Physical Review B 102 (24), 245105, 2020
282020
Digitising SU (2) gauge fields and the freezing transition
T Hartung, T Jakobs, K Jansen, J Ostmeyer, C Urbach
The European Physical Journal C 82 (3), 1-13, 2022
262022
On the generalised eigenvalue method and its relation to Prony and generalised pencil of function methods
M Fischer, B Kostrzewa, J Ostmeyer, K Ottnad, M Ueding, C Urbach
The European Physical Journal A 56 (8), 206, 2020
222020
Accelerating Hybrid Monte Carlo simulations of the Hubbard model on the hexagonal lattice
S Krieg, T Luu, J Ostmeyer, P Papaphilippou, C Urbach
Computer physics communications 236, 15-25, 2019
172019
Optimised Trotter decompositions for classical and quantum computing
J Ostmeyer
Journal of Physics A: Mathematical and Theoretical, 2023
142023
Mitigating the Hubbard sign problem with complex-valued neural networks
M Rodekamp, E Berkowitz, C Gäntgen, S Krieg, T Luu, J Ostmeyer
Physical Review B 106 (12), 125139, 2022
132022
Simulating both parity sectors of the Hubbard model with tensor networks
M Schneider, J Ostmeyer, K Jansen, T Luu, C Urbach
Physical Review B 104 (15), 155118, 2021
132021
Antiferromagnetic character of the quantum phase transition in the Hubbard model on the honeycomb lattice
J Ostmeyer, E Berkowitz, S Krieg, TA Lähde, T Luu, C Urbach
Physical Review B 104 (15), 155142, 2021
112021
Canonical momenta in digitized Su (2) lattice gauge theory: definition and free theory
T Jakobs, M Garofalo, T Hartung, K Jansen, J Ostmeyer, D Rolfes, ...
The European Physical Journal C 83 (7), 1-19, 2023
62023
The Hubbard model with fermionic tensor networks
M Schneider, J Ostmeyer, K Jansen, T Luu, C Urbach
arXiv preprint arXiv:2110.15340, 2021
32021
The Ising model with Hybrid Monte Carlo
J Ostmeyer, E Berkowitz, T Luu, M Petschlies, F Pittler
Computer Physics Communications 265, 107978, 2021
32021
Defining canonical momenta for discretised SU (2) gauge fields
M Garofalo, T Hartung, K Jansen, J Ostmeyer, S Romiti, C Urbach
arXiv preprint arXiv:2210.15547, 2022
22022
Beer mats make bad frisbees
J Ostmeyer, C Schürmann, C Urbach
The European Physical Journal Plus 136 (7), 769, 2021
22021
Simple Ways to improve Discrete Time Evolution
J Ostmeyer
arXiv preprint arXiv:2309.03389, 2023
12023
Fermionic sign problem minimization by constant path integral contour shifts
C Gäntgen, E Berkowitz, T Luu, J Ostmeyer, M Rodekamp
arXiv preprint arXiv:2307.06785, 2023
12023
Real-time simulations of quantum spin chains: Density of states and reweighting approaches
P Buividovich, J Ostmeyer
Physical Review B 107 (2), 024302, 2023
12023
Digitizing SU (2) gauge fields and what to look out for when doing so
T Hartung, T Jakobs, K Jansen, J Ostmeyer, C Urbach
arXiv preprint arXiv:2212.09496, 2022
12022
The Semimetal-Antiferromagnetic Mott Insulator Quantum Phase Transition of the Hubbard Model on the Honeycomb Lattice
J Ostmeyer, E Berkowitz, S Krieg, TA Lähde, T Luu, C Urbach
arXiv preprint arXiv:2110.15441, 2021
12021
Synthetic images aid the recognition of human-made art forgeries
J Ostmeyer, L Schaerf, P Buividovich, T Charles, E Postma, C Popovici
Plos one 19 (2), e0295967, 2024
2024
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