Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Istituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsIT1.4k papers
- Centre National de la Recherche ScientifiqueFR1.3k papers
- University of PisaIT1.2k papers
- Sapienza University of RomeIT1.2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT1.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT1.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT1.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di NapoliIT1.1k papers
- Rutherford Appleton LaboratoryGB1k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1k papers
- University of BolognaIT1k papers
62 papers · 1 filter
Longitudinal response function of 4He with a realistic force
S. Bacca, N. Barnea, W. Leidemann +1
The longitudinal response function of 4He is calculated with the Argonne V18 potential. The comparison with experiment suggests the need of a three-body force. When adding the Urba…
Localization of nonlocal theories
Gianluca Calcagni, Michele Montobbio, Giuseppe Nardelli
We show that a certain class of nonlocal scalar models, with a kinetic operator inspired by string field theory, is equivalent to a system which is local in the coordinates but non…
Stabilization of Solitons Generated by a Supersonic Flow of Bose-Einstein Condensate Past an Obstacle
A. M. Kamchatnov, L. P. Pitaevskii
Stability of dark solitons generated by a supersonic flow of Bose-Einstein condensate past an obstacle is investigated. It is shown that in the reference frame attached to the obst…
Cosmological horizons and reconstruction of quantum field theories
C. Dappiaggi, V. Moretti, N. Pinamonti
As a starting point, we state some relevant geometrical properties enjoyed by the cosmological horizon of a certain class of Friedmann-Robertson-Walker backgrounds. Those propertie…
Stochastic FitzHugh-Nagumo equations on networks with impulsive noise
Stefano Bonaccorsi, Carlo Marinelli, Giacomo Ziglio
We consider a system of nonlinear partial differential equations with stochastic dynamical boundary conditions that arises in models of neurophysiology for the diffusion of electri…
Phase diagram of nuclear "pasta" and its uncertainties in supernova cores
Hidetaka Sonoda, Gentaro Watanabe, Katsuhiko Sato +2
We examine the model dependence of the phase diagram of inhomogeneous nulcear matter in supernova cores using the quantum molecular dynamics (QMD). Inhomogeneous matter includes cr…
Ultra-cold dipolar gases
Chiara Menotti, Maciej Lewenstein
We present a concise review of the physics of ultra-cold dipolar gases, based mainly on the theoretical developments in our own group. First, we discuss shortly weakly interacting…
Optical properties of atomic Mott insulators: from slow light to dynamical Casimir effects
Iacopo Carusotto, Mauro Antezza, Francesco Bariani +2
We theoretically study the optical properties of a gas of ultracold, coherently dressed three-level atoms in a Mott insulator phase of an optical lattice. The vacuum state, the ban…
Vibrational excitations in systems with correlated disorder
W. Schirmacher, B. Schmid, C. Tomaras +4
We investigate a -dimensional model ( = 2,3) for sound waves in a disordered environment, in which the local fluctuations of the elastic modulus are spatially correlated with…
Entanglement, Non-linear Dynamics, and the Heisenberg Limit
L. Pezze', A. Smerzi
We show that the quantum Fisher information provides a sufficient condition to recognize multi-particle entanglement in a qubit state. The same criterion gives a necessary and…
Non-local density correlations as signal of Hawking radiation in BEC acoustic black holes
Roberto Balbinot, Alessandro Fabbri, Serena Fagnocchi +2
We have used the analogy between gravitational systems and non-homogeneous fluid flows to calculate the density-density correlation function of an atomic Bose-Einstein condensate i…
The Scalar Glueball in the Instanton Vacuum
M. C. Tichy, P. Faccioli
We study the contribution of instantons to the binding and the mass of the lightest scalar glueball, in gluondynamics. We show that the short-range correlations introduced by such…
Destroying superfluidity by rotating a Fermi gas at unitarity
I. Bausmerth, A. Recati, S. Stringari
We study the effect of the rotation on a harmonically trapped Fermi gas at zero temperature under the assumption that vortices are not formed. We show that at unitarity the rotatio…
Atom interferometry with a weakly-interacting Bose Einstein condensate
Marco Fattori, Chiara D'Errico, Giacomo Roati +5
We demonstrate the operation of an atom interferometer based on a weakly interacting Bose-Einstein condensate. We strongly reduce the interaction induced decoherence that usually l…
Vector bundles on Hirzebruch surfaces whose twists by a non-ample line bundle have natural cohomology
E. Ballico, F. Malaspina
Here we study vector bundles on the Hirzebruch surface such that their twists by a spanned, but not ample, line bundle have natural cohomol…
First joint Gravitational Waves search by the Auriga-Explorer-Nautilus-Virgo collaboration
Virgo collaboration
We present results of the search for coincident burst excitations over a 24 hours long data set collected by AURIGA, EXPLORER, NAUTILUS and Virgo detectors during September 2005. T…
Thermodynamical properties of hairy black holes in n spacetimes dimensions
Mario Nadalini, Luciano Vanzo, Sergio Zerbini
The issue concerning the existence of exact black hole solutions in presence of non vanishing cosmological constant and scalar fields is reconsidered. With regard to this, in inves…
A Joint Search for Gravitational Wave Bursts with AURIGA and LIGO
AURIGA Collaboration, LIGO Scientific Collaboration, L. Baggio et al
The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of…
Light propagation in atomic Mott Insulators
Francesco Bariani, Iacopo Carusotto
We study radiation-matter interaction in a system of ultracold atoms trapped in an optical lattice in a Mott insulator phase. We develop a fully general quantum model, and we perfo…
Structural phase transitions in low-dimensional ion crystals
Shmuel Fishman, Gabriele De Chiara, Tommaso Calarco +1
A chain of singly-charged particles, confined by a harmonic potential, exhibits a sudden transition to a zigzag configuration when the radial potential reaches a critical value, de…
Phase separation in a polarized Fermi gas at zero temperature
S. Pilati, S. Giorgini
We investigate the phase diagram of asymmetric two-component Fermi gases at zero temperature as a function of polarization and interaction strength. The equations of state of the u…
Tkachenko modes in a superfluid Fermi gas at unitarity
Gentaro Watanabe, Marco Cozzini, Sandro Stringari
We calculate the frequencies of the Tkachenko oscillations of a vortex lattice in a harmonically trapped superfluid Fermi gas. We use the elasto-hydrodynamic theory by properly acc…
The Lorentz Integral Transform (LIT) method and its applications to perturbation induced reactions
V. D. Efros, W. Leidemann, G. Orlandini +1
The LIT method has allowed ab initio calculations of electroweak cross sections in light nuclear systems. This review presents a description of the method from both a general and a…
Tachyon solutions in boundary and cubic string field theory
Gianluca Calcagni, Giuseppe Nardelli
We construct rolling tachyon solutions of open and boundary string field theory (OSFT and BSFT, respectively), in the bosonic and supersymmetric (susy) case. The wildly oscillating…