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19942026
most citedPhonons and related properties of extended systems from density-functional perturbation theory

10.1k citations

Showing 2003Show all

128 papers · 1 filter

cond-mat2003★ 116 cited

Collective oscillations of a trapped Fermi gas near a Feshbach resonance

Sandro Stringari

The frequencies of the collective oscillations of a harmonically trapped Fermi gas interacting with large scattering lengths are calculated at zero temperature using hydrodynamic t…

nlin.PS2003★ 10 cited

Scaling anomalies in the coarsening dynamics of fractal viscous fingering patterns

Massimo Conti, Azi Lipshtat, Baruch Meerson

We analyze a recent experiment of Sharon \textit{et al.} (2003) on the coarsening, due to surface tension, of fractal viscous fingering patterns (FVFPs) grown in a radial Hele-Shaw…

cond-mat2003★ 45 cited

Rotational dynamics of CO solvated in small He clusters: a quantum Monte Carlo study

Paolo Cazzato, Stefano Paolini, Saverio Moroni +1

The rotational dynamics of CO single molecules solvated in small He clusters (CO@He_N) has been studied using Reptation Quantum Monte Carlo for cluster sizes up to N=30. Our result…

quant-ph2003★ 69 cited

Contextual, Optimal and Universal Realization of the Quantum Cloning Machine and of the NOT gate

Francesco De Martini, Daniele Pelliccia, Fabio Sciarrino

A simultaneous realization of the Universal Optimal Quantum Cloning Machine (UOQCM) and of the Universal-NOT gate by a quantum injected optical parametric amplification (QIOPA), is…

cond-mat.stat-mech2003★ 45 cited

Analytic solutions for Baxter's model of sticky hard sphere fluids within closures different from the Percus_Yevick approximation

Domenico Gazzillo, Achille Giacometti

We discuss structural and thermodynamical properties of Baxter's adhesive hard sphere model within a class of closures which includes the Percus-Yevick (PY) one. The common feature…

cond-mat.other2003★ 23 cited

What really causes large price changes?

J. Doyne Farmer, Laszlo Gillemot, Fabrizio Lillo +2

We study the cause of large fluctuations in prices in the London Stock Exchange. This is done at the microscopic level of individual events, where an event is the placement or canc…

cond-mat.dis-nn2003★ 25 cited

Disorder induced rounding of the phase transition in the large q-state Potts model

M. T. Mercaldo, J-Ch. Anglès d'Auriac, F. Iglói

The phase transition in the q-state Potts model with homogeneous ferromagnetic couplings is strongly first order for large q, while is rounded in the presence of quenched disorder.…

cond-mat.mes-hall2003★ 88 cited

Dynamical suppression of telegraph and 1/f noise due to quantum bistable fluctuator

G. Falci, A. D'Arrigo, A. Mastellone +1

We study dynamical decoupling of a qubit from non gaussian quantum noise due to discrete sources, as bistable fluctuators and 1/f noise. We obtain analytic and numerical results fo…

quant-ph2003★ 24 cited

Teleportation of the U-NOT Gate and Quantum Cloning: a Computational Network and Experimental Realization

F. Sciarrino, C. Sias, M. Ricci +1

We present a computational circuit which realizes contextually the Tele-UNOT gate and the universal optimal quantum cloning machine (UOQCM). We report the experimental realization…

physics.plasm-ph2003★ 82 cited

Attractive Potential around a Thermionically Emitting Microparticle

G. L. Delzanno, G. Lapenta, M. Rosenberg

We present a simulation study of the charging of a dust grain immersed in a plasma, considering the effect of electron emission from the grain (thermionic effect). It is shown that…

cond-mat.stat-mech2003★ 6 cited

Lattice density-functional theory of surface melting: the effect of a square-gradient correction

S. Prestipino

I use the method of classical density-functional theory in the weighted-density approximation of Tarazona to investigate the phase diagram and the interface structure of a two-dime…

physics.optics2003★ 171 cited

Light Filaments Without Self Guiding

Audrius Dubietis, Eugenijus Gaizauskas, Gintaras Tamosauskas +1

An examination of the propagation of intense 200 fs pulses in water reveals light filaments not sustained by the balance between Kerr-induced self-focusing and plasma-induced defoc…

cond-mat.dis-nn2003★ 308 cited

Is the Fragility of a Liquid Embedded in the Properties of its Glass?

Tullio Scopigno, Giancarlo Ruocco, Francesco Sette +1

When a liquid is cooled below its melting temperature it usually crystallizes. However, if the quenching rate is fast enough, it is possible that the system remains in a disordered…

cond-mat.stat-mech2003★ 53 cited

Anomalous dynamics of confined water at low hydration

P. Gallo, M. Rovere

The mobility of water molecules confined in a silica pore is studied by computer simulation in the low hydration regime, where most of the molecules reside close to the hydrophilic…

quant-ph2003★ 13 cited

Ground-State Entanglement in Interacting Bosonic Graphs

Paolo Giorda, Paolo Zanardi

We consider a collection of bosonic modes corresponding to the vertices of a graph Quantum tunneling can occur only along the edges of and a local self-interaction term is…

physics.atom-ph2003★ 2 cited

Harmonic generation by atoms in circularly polarized laser fields: far-off and near resonances regimes

F. Ceccherini, N. Davini, D. Bauer +1

The generation of harmonics by atoms interacting with two circularly polarized and frequency related laser fields is addressed through ab initio numerical simulations. A detailed c…

cond-mat2003★ 71 cited

Instabilities of a Bose-Einstein condensate in a periodic potential: an experimental investigation

M. Cristiani, O. Morsch, N. Malossi +4

By accelerating a Bose-Einstein condensate in a controlled way across the edge of the Brillouin zone of a 1D optical lattice, we investigate the stability of the condensate in the…

cond-mat.stat-mech2003★ 28 cited

Generic features of the fluctuation dissipation relation in coarsening systems

Federico Corberi, Claudio Castellano, Eugenio Lippiello +1

The integrated response function in phase-ordering systems with scalar, vector, conserved and non conserved order parameter is studied at various space dimensionalities. Assuming s…

cond-mat.soft2003★ 197 cited

Multidimensional solitons in a low-dimensional periodic potential

B. B. Baizakov, B. A. Malomed, M. Salerno

Using the variational approximation(VA) and direct simulations, we find stable 2D and 3D solitons in the self-attractive Gross-Pitaevskii equation (GPE) with a potential which is u…

cond-mat.soft2003★ 84 cited

Superfluid Dynamics of a Bose-Einstein Condensate in a Periodic Potential

C. Menotti, A. Smerzi, A. Trombettoni

We investigate the superfluid properties of a Bose-Einstein condensate (BEC) trapped in a one dimensional periodic potential. We study, both analytically (in the tight binding limi…

cond-mat.stat-mech2003★ 18 cited

Slow dynamics of a confined supercooled binary mixture II: Q space analysis

P. Gallo, R. Pellarin, M. Rovere

We report the analysis in the wavevector space of the density correlator of a Lennard Jones binary mixture confined in a disordered matrix of soft spheres upon supercooling. In spi…

cond-mat.stat-mech2003★ 3 cited

Non trivial behavior of the linear response function in phase ordering kinetics

Federico Corberi, Nicola Fusco, Eugenio Lippiello +1

Drawing from exact, approximate and numerical results an overview of the properties of the out of equilibrium response function in phase ordering kinetics is presented. Focusing on…

cond-mat.mtrl-sci2003★ 13 cited

Kinetic energy of He atoms in liquid He-He mixtures

R. Senesi, C. Andreani, A. L. Fielding +2

Deep Inelastic Neutron Scattering measurements on liquid He-He mixtures in the normal phase have been performed on the VESUVIO spectrometer at the ISIS pulsed neutron sourc…

cond-mat.mtrl-sci2003★ 170 cited

Bound excitons in time-dependent density-functional-theory: optical and energy-loss spectra

A. Marini, R. Del Sole, A. Rubio

A robust and efficient frequency dependent and non-local exchange-correlation is derived by imposing time-dependent density-functional theory (TDDFT) to reproduce…