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math-ph2025★ 1 cited
Exact quantum dynamics of Fermi--Hubbard systems using the Gaussian phase-space representation with diffusion gauges
F Rousse, M Fasi, A Dmytryshyn +3
We use the Gaussian Phase-Space Representation to solve the real-time dynamic of interacting fermions in 1D, 2D, and 3D systems. The method is exact up to a spiking point, which re…
math-ph2023★ 2 cited
Simulations of quantum dynamics with fermionic phase-space representations using numerical matrix factorizations as stochastic gauges
F Rousse, M Fasi, A Dmytryshyn +2
The Gaussian phase-space representation can be used to implement quantum dynamics for fermionic particles numerically. To improve numerical results, we explore the use of dynamical…
math-ph2013★ 1 cited
Perturbative Semiclassical Trace Formulae for Harmonic Oscillators
J. Moller-Andersen, M. Ogren
In this article we extend previous semiclassical studies by including more general perturbative potentials of the harmonic oscillator in arbitrary spatial dimensions. Our starting…