3 papers
quant-ph2026
Causally constrained quantum operator dynamics
Marcell D. Kovács, Marcell D. Kovács, Christopher J. Turner +2
This paper explores a route to non-ergodic quantum dynamics where algebraic restrictions in operator space arise from local constraints on the causal light cone. We model this thro…
quant-ph2025
Operator space fragmentation in perturbed Floquet-Clifford circuits
Marcell D. Kovács, Christopher J. Turner, Lluis Masanes +1
Floquet quantum circuits are able to realise a wide range of non-equilibrium quantum states, exhibiting quantum chaos, topological order and localisation. In this work, we investig…
quant-ph2024
Quantum Error Mitigation via Linear-Depth Verifier Circuits
Angus Mingare, Anastasia Moroz, Marcell D Kovacs +1
Implementing many important sub-circuits on near-term quantum devices remains a challenge due to the high levels of noise and the prohibitive depth on standard nearest-neighbour to…