10.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Sapienza University of RomeIT156 papers
- Scuola Internazionale Superiore di Studi AvanzatiIT146 papers
- University of InsubriaIT88 papers
- University of MilanIT85 papers
- University of TrentoIT85 papers
- Politecnico di TorinoIT78 papers
- University of FlorenceIT74 papers
- University of GenoaIT69 papers
- Centre National de la Recherche ScientifiqueFR65 papers
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT65 papers
- National Research CouncilLK58 papers
- University of SalernoIT56 papers
21 papers · 1 filter
Magnetically induced electronic ferroelectricity in half-doped manganites
Gianluca Giovannetti, Sanjeev Kumar, Jeroen van den Brink +1
Using a joint approach of density functional theory and model calculations, we demonstrate that a prototypical charge ordered half-doped manganite, LaCaMnO is m…
Small-world of communities: communication and correlation of the meta-network
M. Ostilli, J. F. F. Mendes
Given a network and a partition in n communities, we address the issues ``how communities influence each other'' and ``when two given communities do communicate''. We prove that, f…
Colloidal attraction induced by a temperature gradient
R. Di Leonardo, F. Ianni, G. Ruocco
Colloidal crystals are of extreme importance for applied research, such as photonic crystals technology, and for fundamental studies in statistical mechanics. Long range attractive…
High-energy ball milling and synthesi temperature study to improve superconducting properties of MgB2 ex-situ tapes and wires
Gennaro Romano, Maurizio Vignolo, Valeria Braccini +6
MgB2 monofilamentary nickel-sheated tapes and wires were fabricated by means of the ex-situ powder-in-tube method using either high-energy ball milled and low temperature synthesiz…
Relevant energy scale in hybrid mesoscopic Josephson junctions
Franco Carillo, Detlef Born, Vittorio Pellegrini +4
Transport properties of high quality Nb/semiconductor/Nb long Josephson junctions based on metamorphic In_0.75Ga_0.25As epitaxial layers are reported. Different junction geometries…
Fractal geometry of Ising magnetic patterns: signatures of criticality and diffusive dynamics
E. Agliari, R. Burioni, D. Cassi +1
We investigate the geometric properties displayed by the magnetic patterns developing on a two-dimensional Ising system, when a diffusive thermal dynamics is adopted. Such a dynami…
Magnetic field induced non-Fermi liquid to Fermi liquid crossover at the quantum critical point of YbCuAu
P. Carretta, R. Pasero, M. Giovannini +1
The temperature (T) dependence of the muon and Cu nuclear spin-lattice relaxation rates in YbCu4.4Au0.6 is reported over nearly four decades. It is shown that for $T…
Microwave Assisted Transport in a Single Donor Silicon Quantum Dot
Enrico Prati, Rossella Latempa, Marco Fanciulli
Single donors in semiconductor nanostructures represent a key element to develop spin related quantum functionalities in atomic scale devices. Quantum transport through a single Ar…
Analytical predictions of non-Gaussian distribution parameters for stellar plasmas
A. M. Scarfone, P. Quarati, G. Mezzorani +1
Stimulated by the recent debate on the physical relevance and on the predictivity of q-Gaussian formalism, we present specific analytical expressions for the parameters characteriz…
Schroedinger Cat: Entanglement test in a Micro-Macroscopic system
Francesco De Martini, Fabio Sciarrino, Chiara Vitelli
A Macro-state consisting of N= 3.5 x 10^4 photons in a quantum superposition and entangled with a far apart single-photon state (Micro-state) is generated. Precisely, an entangled…
Two-dimensional one-component plasma on a Flamm's paraboloid
Riccardo Fantoni, Gabriel Tellez
We study the classical non-relativistic two-dimensional one-component plasma at Coulomb coupling Gamma=2 on the Riemannian surface known as Flamm's paraboloid which is obtained fro…
Space-QUEST: Experiments with quantum entanglement in space
Rupert Ursin, Thomas Jennewein, Johannes Kofler +36
The European Space Agency (ESA) has supported a range of studies in the field of quantum physics and quantum information science in space for several years, and consequently we hav…
Capillary filling in patterned channels
H. Kusumaatmaja, C. M. Pooley, S. Girardo +2
We show how the capillary filling of microchannels is affected by posts or ridges on the sides of the channels. Ridges perpendicular to the flow direction introduce contact line pi…
Generation of time-bin entangled photons without temporal post-selection
Alessandro Rossi, Giuseppe Vallone, Francesco De Martini +1
We report on the implementation of a new interferometric scheme that allows the generation of photon pairs entangled in the time-energy degree of freedom. This scheme does not requ…
Polarization preserving ultra fast optical shutter for quantum information processing
Nicolo' Spagnolo, Chiara Vitelli, Sandro Giacomini +2
We present the realization of a ultra fast shutter for optical fields, which allows to preserve a generic polarization state, based on a self-stabilized interferometer. It exhibits…
Amplification of polarization NOON states
Chiara Vitelli, Nicolo' Spagnolo, Fabio Sciarrino +1
NOON states are path entangled states which can be exploited to enhance phase resolution in interferometric measurements. In the present paper we analyze the quantum states obtaine…
Low-energy signatures of charge and spin fluctuations in Raman and optical spectra of the cuprates
S. Caprara, C. Di Castro, T. Enss +1
We calculate the optical and Raman response within a phenomenological model of fermion quasiparticles coupled to nearly critical collective modes. We find that, whereas critical sc…
Magnetically-induced ferroelectricity in orthorhombic manganites: microscopic origin and chemical trends
Kunihiko Yamauchi, Frank Freimuth, Stefan Blügel +1
The microscopic origin of the magnetically-driven ferroelectricity in collinear AFM-E orthorhombic manganites is explained by means of first-principles Wannier functions. We show t…
Field emission from single multi-wall carbon nanotubes
M. Passacantando, F. Bussolotti, S. Santucci +4
Electron field emission characteristics of individual multiwalled carbon nanotubes have been investigated by a piezoelectric nanomanipulation system operating inside a scanning ele…
Instanton Solution of a Nonlinear Potential in Finite Size
Marco Zoli
The Euclidean path integral method is applied to a quantum tunneling model which accounts for finite size () effects. The general solution of the Euler Lagrange equation for the…
Experimental sub-Rayleigh resolution by an unseeded high-gain optical parametric amplifier for quantum lithography
Fabio Sciarrino, Chiara Vitelli, Francesco De Martini +3
Quantum lithography proposes to adopt entangled quantum states in order to increase resolution in interferometry. In the present paper we experimentally demonstrate that the output…