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19 papers · 2 filters
Probability conservation for multi-time integral equations
Matthias Lienert
In relativistic quantum theory, one sometimes considers integral equations for a wave function depending on two space-time points for two particles. A serious issue wi…
Observation of partial and infinite-temperature thermalization induced by repeated measurements on a quantum hardware
Alessandro Santini, Andrea Solfanelli, Stefano Gherardini +1
On a quantum superconducting processor we observe partial and infinite-temperature thermalization induced by a sequence of repeated quantum projective measurements, interspersed by…
Coupled Fredkin and Motzkin chains from quantum six- and nineteen-vertex models
Zhao Zhang, Israel Klich
We generalize the area-law violating models of Fredkin and Motzkin spin chains into two dimensions by building quantum six- and nineteen-vertex models with correlated interactions.…
Quantum lozenge tiling and entanglement phase transition
Zhao Zhang, Israel Klich
While volume violation of area law has been exhibited in several quantum spin chains, the construction of a corresponding ground state in higher dimensions, entangled in more than…
Collapse dynamics are diffusive
Sandro Donadi, Luca Ferialdi, Angelo Bassi
Non-interferometric experiments have been successfully employed to constrain models of spontaneous wave function collapse, which predict a violation of the quantum superposition pr…
Experimental signature of initial quantum coherence on entropy production
S. Hernández-Gómez, S. Gherardini, A. Belenchia +3
We report the experimental quantification of the contribution to non-equilibrium entropy production that stems from the quantum coherence content in the initial state of a qubit ex…