5 papers · 1 filter
High-rate and computationally-efficient seedless extractors for device-independent quantum cryptography
Simone Lin, Cameron Foreman, Lluis Masanes
Device-independent (DI) quantum cryptography provides secure cryptography with minimal trust in, or characterisation of, the used quantum devices. An essential component of DI prot…
Causally constrained quantum operator dynamics
Marcell D. Kovács, Christopher J. Turner, Lluís Masanes
Finding analytically tractable model systems for quantum ergodicity breaking in interacting systems remains a theoretical challenge. This paper presents an algebraic theory of robu…
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…
Seedless extractors for device-independent quantum cryptography
Cameron Foreman, Lluis Masanes
Device-independent (DI) quantum cryptography aims at providing secure cryptography with minimal trust in, or characterisation of, the underlying quantum devices. A key step in DI p…
Fundamental charges for dual-unitary circuits
Tom Holden-Dye, Lluis Masanes, Arijeet Pal
Dual-unitary quantum circuits have recently attracted attention as an analytically tractable model of many-body quantum dynamics. Consisting of a 1+1D lattice of 2-qudit gates arra…