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Diffusion in quantum state preparation: From passive cooling to system-bath engineering
Tim Pokart, Lukas König, Sebastian Diehl +1
We investigate and compare two particle number-conserving protocols for the preparation of a topologically nontrivial state. The first is derived from thermally coupling the system…
Adiabatic preparation of a number-conserving atomic Majorana phase
Benjamin Michen, Tim Pokart, Jan Carl Budich
We construct a protocol to adiabatically prepare the ground state of a widely discussed number-conserving model Hamiltonian for ultracold atoms in optical lattices that supports Ma…
Long time rigidity to flux-induced symmetry breaking in quantum quench dynamics
Lorenzo Rossi, Luca Barbiero, Jan Carl Budich +1
We investigate how the breaking of charge conjugation symmetry impacts on the dynamics of a half-filled fermionic lattice system after global quenches. We show that,…
Non-Linear Interference Challenging Topological Protection of Chiral Edge States
Benjamin Michen, Jan Carl Budich
We report on a non-linear scattering effect that challenges the notion of topological protection for wave packets propagating in chiral edge modes. Specifically, in a Floquet topol…
Topology in the space-time scaling limit of quantum dynamics
Lorenzo Rossi, Jan Carl Budich, Fabrizio Dolcini
We investigate the role of topology in the space-time scaling limit of quantum quench dynamics, where both time and system size tend to infinity at a constant ratio. There, while t…
Adiabatic preparation of fractional Chern insulators from an effective thin-torus limit
Benjamin Michen, Cécile Repellin, Jan Carl Budich
We explore the quasi one-dimensional (thin torus, or TT) limit of fractional Chern insulators (FCIs) as a starting point for their adiabatic preparation in quantum simulators. Our…