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5 papers · 2 filters
Variational Quantum Algorithms for Gibbs State Preparation
Mirko Consiglio
Preparing the Gibbs state of an interacting quantum many-body system on noisy intermediate-scale quantum (NISQ) devices is a crucial task for exploring the thermodynamic properties…
Quantum Key Distribution over 100 km underwater optical fiber assisted by a Fast-Gated Single-Photon Detector
Domenico Ribezzo, Mujtaba Zahidy, Gianmarco Lemmi +10
Nowadays Quantum Key Distribution represents the most mature quantum technology, and multiple countries as well as private institutions are building their quantum network. However,…
Variational Gibbs State Preparation on NISQ devices
Mirko Consiglio, Jacopo Settino, Andrea Giordano +6
The preparation of an equilibrium thermal state of a quantum many-body system on noisy intermediate-scale quantum (NISQ) devices is an important task in order to extend the range o…
Quantum measurements and equilibration: the emergence of objective outcomes via entropy maximisation
Emanuel Schwarzhans, Felix C. Binder, Marcus Huber +1
The measurement postulate of quantum theory stands in conflict with the laws of thermodynamics and has evoked debate regarding what actually constitutes a measurement. With the hel…
Entangled States are Harder to Transfer than Product States
Tony J. G. Apollaro, Salvatore Lorenzo, Francesco Plastina +2
The distribution of entangled states is a key task of utmost importance for many quantum information processing protocols. A commonly adopted setup for distributing quantum states…