Entanglement in many-body systems
- L. Amico, R. Fazio, A. Osterloh, V. Vedral
- Physics
- 6 March 2007
Recent interest in aspects common to quantum information and condensed matter has prompted a flurry of activity at the border of these disciplines that were far distant until a few years ago.…
Scaling of entanglement close to a quantum phase transition
- A. Osterloh, L. Amico, G. Falci, R. Fazio
- PhysicsNature
- 5 February 2002
It is demonstrated, for a class of one-dimensional magnetic systems, that entanglement shows scaling behaviour in the vicinity of the transition point, which connects the theory of critical phenomena with quantum information by exploring the entangling resources of a system close to its quantum critical point.
Measures of quantum synchronization in continuous variable systems.
- A. Mari, A. Farace, N. Didier, V. Giovannetti, R. Fazio
- PhysicsPhysical Review Letters
- 22 April 2013
Two different measures which quantify the level of synchronization of coupled continuous variable quantum systems are introduced and they allow us to extend to the quantum domain the notions of complete and phase synchronization.
Boundary Time Crystals.
- F. Iemini, A. Russomanno, Jonathan Keeling, M. Schirò, M. Dalmonte, R. Fazio
- PhysicsPhysical Review Letters
- 16 August 2017
This work introduces boundary time crystals and analyzes in detail a solvable model where an accurate scaling analysis can be performed.
Floquet time crystal in the Lipkin-Meshkov-Glick model
- A. Russomanno, F. Iemini, M. Dalmonte, R. Fazio
- Physics
- 5 April 2017
In this work we discuss the existence of time-translation symmetry breaking in a kicked infinite-range-interacting clean spin system described by the Lipkin-Meshkov-Glick model. This Floquet time…
Cluster mean-field approach to the steady-state phase diagram of dissipative spin systems
- Jiasen Jin, A. Biella, D. Rossini
- Physics
- 21 February 2016
We show that short-range correlations have a dramatic impact on the steady-state phase diagram of quantum driven-dissipative systems. This effect, never observed in equilibrium, follows from the fact…
Photon solid phases in driven arrays of nonlinearly coupled cavities.
- Jiasen Jin, D. Rossini, R. Fazio, M. Leib, M. Hartmann
- PhysicsPhysical Review Letters
- 9 February 2013
The properties of an array of QED cavities coupled by nonlinear elements, in the presence of photon leakage and driven by a coherent source, are introduced and the crystalline ordering may coexist with phase synchronization.
Information-capacity description of spin-chain correlations
- V. Giovannetti, R. Fazio
- Physics
- 19 May 2004
Information capacities achievable in the multi-parallel-use scenarios are employed to characterize the quantum correlations in unmodulated spin chains. By studying the qubit amplitude damping…
Critical dynamical properties of a first-order dissipative phase transition
- W. Casteels, R. Fazio, C. Ciuti
- Physics
- 2 August 2016
We theoretically investigate the critical properties of a single driven-dissipative nonlinear photon mode. In a well-defined thermodynamical limit of large excitation numbers, the exact quantum…
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