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Dissipation-Enabled Operator-Norm Locality Bounds for Bose-Hubbard Hamiltonians
Marius Lemm, Tim Möbus
Closed bosonic lattice systems do not generally admit operator norm Lieb--Robinson bounds uniformly in the initial state. The reason is that the information propagation velocity ca…
Learning Local Fermionic Lindbladians under Parity Superselection
Tim Möbus, Daniel Stilck França, Cambyse Rouzé
Parity superselection forbids direct measurement of odd Majorana observables. We learn time-independent, parity-covariant, -mode-local Lindbladians on modes using even prepa…
Robust Structure Learning of -local Lindbladians
Tim Möbus, Thiago Bergamaschi, Daniel Stilck França +1
We present an efficient protocol for learning an unknown -local Lindblad generator on qubits using only product-state preparations, short-time evolution, and single-qubit Pa…
Learning and certification of local time-dependent quantum dynamics and noise
Daniel Stilck França, Tim Möbus, Cambyse Rouzé +1
Hamiltonian learning protocols are becoming valuable tools for benchmarking and verifying quantum computers and simulators, yet few rigorous protocols address explicitly time-depen…
Learning Coulomb Potentials and Beyond with Free Fermions in Continuous Space
Andreas Bluhm, Marius Lemm, Tim Möbus +1
The first-principles formulation of quantum mechanics relevant for quantum chemistry and trapped quantum gases involves particles in the continuous space . We present…
Stability of thermal equilibrium in long-range quantum systems
Tim Möbus, Jorge Sánchez-Segovia, Álvaro M. Alhambra +1
Experimental realizations of spin models are irremediably prone to errors, which can propagate through the system corrupting experimental signals. We study how such errors affect t…
Heisenberg-limited Hamiltonian learning continuous variable systems via engineered dissipation
Tim Möbus, Andreas Bluhm, Tuvia Gefen +3
Discrete and continuous variables oftentimes require different treatments in many learning tasks. Identifying the Hamiltonian governing the evolution of a quantum system is a funda…