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Geometric phase of neutrinos: Differences between Dirac and Majorana neutrinos

- A. Capolupo, S. Giampaolo, B. Hiesmayr, G. Vitiello
- Physics
- 27 October 2016

Entanglement Complexity in Quantum Many-Body Dynamics, Thermalization and Localization

- Zhi-Cheng Yang, A. Hamma, S. Giampaolo, E. Mucciolo, C. Chamon
- Physics
- 9 March 2017

Entanglement is usually quantified by von Neumann entropy, but its properties are much more complex than what can be expressed with a single number. We show that the three distinct dynamical phases… Expand

Extended Bose Hubbard model of interacting bosonic atoms in optical lattices: From superfluidity to density waves

- G. Mazzarella, S. Giampaolo, F. Illuminati
- Physics
- 6 September 2005

For systems of interacting, ultracold spin-zero neutral bosonic atoms, harmonically trapped and subject to an optical lattice potential, we derive an Extended Bose Hubbard (EBH) model by developing a… Expand

Decoherence in neutrino oscillations, neutrino nature and CPT violation

- A. Capolupo, S. Giampaolo, G. Lambiase
- PhysicsPhysics Letters B
- 20 July 2018

Discord of response

- W. Roga, S. Giampaolo, F. Illuminati
- Mathematics
- 31 January 2014

The presence of quantum correlations in a quantum state is related to the stateʼs response to local unitary perturbations. Such a response is quantified by the distance between the unperturbed and… Expand

Topological and nematic ordered phases in many-body cluster-Ising models

- S. Giampaolo, B. Hiesmayr
- Physics
- 30 March 2015

We present a fully analytically solvable family of models with many-body cluster interaction and Ising interaction. This family exhibits two phases, dubbed cluster and Ising phases, respectively. The… Expand

Long-distance entanglement in many-body atomic and optical systems

- S. Giampaolo, F. Illuminati
- Physics
- 30 September 2009

We discuss the phenomenon of long-distance entanglement (LDE) in the ground state of quantum spin models, its use in high-fidelity and robust quantum communication, and its realization in many-body… Expand

Mixtures of strongly interacting bosons in optical lattices.

- P. Buonsante, S. Giampaolo, F. Illuminati, V. Penna, A. Vezzani
- PhysicsPhysical review letters
- 22 January 2008

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Mutual information and spontaneous symmetry breaking

- A. Hamma, S. Giampaolo, F. Illuminati
- Physics, Computer Science
- 28 January 2015

We show that the metastable, symmetry-breaking ground states of quantum many-body Hamiltonians have vanishing quantum mutual information between macroscopically separated regions and are thus the… Expand

Geometric characterization of separability and entanglement in pure Gaussian states by single-mode unitary operations

- G. Adesso, S. Giampaolo, F. Illuminati
- Physics
- 23 July 2007

We present a geometric approach to the characterization of separability and entanglement in pure Gaussian states of an arbitrary number of modes. The analysis is performed adapting to continuous… Expand

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