output
19962026
most citedEfficient metallic spintronic emitters of ultrabroadband terahertz radiation

947 citations

Showing 2012Show all

21 papers · 1 filter

cond-mat.mes-hall2012★ 10 cited

Mesoscopic behavior of the transmission phase through confined correlated electronic systems

Rafael A. Molina, Peter Schmitteckert, Dietmar Weinmann +2

We investigate the effect of electronic correlations on the transmission phase of quantum coherent scatterers, considering quantum dots in the Coulomb blockade regime connected to…

physics.plasm-ph2012★ 17 cited

Adiabatic cooling of trapped nonneutral plasmas

Giovanni Manfredi, Paul-Antoine Hervieux

Nonneutral plasmas can be trapped for long times by means of combined electric and magnetic fields. Adiabatic cooling is achieved by slowly decreasing the trapping frequency and le…

physics.plasm-ph2012★ 12 cited

Nonlinear dynamics of electron-positron clusters

Giovanni Manfredi, Paul-Antoine Hervieux, Fernando Haas

Electron-positron clusters are studied using a quantum hydrodynamic model that includes Coulomb and exchange interactions. A variational Lagrangian method is used to determine thei…

cond-mat.mes-hall2012★ 15 cited

Exact treatment of planar two-electron quantum dots: effects of anharmonicity on the complexity

Sebastian Schröter, Paul-Antoine Hervieux, Giovanni Manfredi +2

Static properties of an anharmonic potential model for planar two-electron quantum dots are investigated using a method which allows for the exact representation of the matrix elem…

cond-mat.mes-hall2012★ 80 cited

Breather mode in the many-electron dynamics of semiconductor quantum wells

F. Haas, G. Manfredi, P. K. Shukla +1

We demonstrate the existence of a novel breather mode in the self-consistent electron dynamics of a semiconductor quantum well. A non-perturbative variational method based on quant…

cond-mat.mes-hall2012★ 17 cited

Magnetization reversal in isolated and interacting single-domain nanoparticles

H. Kesserwan, G. Manfredi, J. -Y. Bigot +1

Computational and experimental results on the thermally-induced magnetization reversal in single-domain magnetic nanoparticles are reported. The simulations are based on the direct…

cond-mat.mtrl-sci2012★ 138 cited

Direct observation of a highly spin-polarized organic spinterface at room temperature

F. Djeghloul, F. Ibrahim, M. Cantoni +23

The design of large-scale electronic circuits that are entirely spintronics-driven requires a current source that is highly spin-polarised at and beyond room temperature, cheap to…

quant-ph2012★ 20 cited

Variational approach to the time-dependent Schrödinger-Newton equations

Giovanni Manfredi, Paul-Antoine Hervieux, Fernando Haas

Using a variational approach based on a Lagrangian formulation and Gaussian trial functions, we derive a simple dynamical system that captures the main features of the time-depende…

cond-mat.mtrl-sci2012★ 3 cited

X-ray magnetic circular dichroism in (Ge,Mn) compounds: experiments and modeling

Samuel Tardif, Andrey Titov, Emmanuel Arras +10

X-ray absorption (XAS) and x-ray magnetic circular dichroism (XMCD) spectra at the L edges of Mn in (Ge,Mn) compounds have been measured and are compared to the results of…

cond-mat.mes-hall2012★ 145 cited

Dirac-like plasmons in honeycomb lattices of metallic nanoparticles

Guillaume Weick, Claire Woollacott, William L. Barnes +2

We consider a two-dimensional honeycomb lattice of metallic nanoparticles, each supporting a localized surface plasmon, and study the quantum properties of the collective plasmons…

cond-mat.mes-hall2012★ 162 cited

Spectral analysis of topological defects in an artificial spin-ice lattice

Sebastian Gliga, Attila Kákay, Riccardo Hertel +1

Arrays of suitably patterned and arranged magnetic elements may display artificial spin-ice structures with topological defects in the magnetization, such as Dirac monopoles and Di…

cond-mat.quant-gas2012★ 27 cited

Quantum Phases of Dipolar Bosons in Bilayer Geometry

Arghavan Safavi-Naini, Sebnem G. Soyler, Guido Pupillo +2

We investigate the quantum phases of hard-core dipolar bosons confined to a square lattice in a bilayer geometry. Using exact theoretical techniques, we discuss the many-body effec…

physics.atom-ph2012★ 57 cited

Driven-dissipative dynamics of a strongly interacting Rydberg gas

A. W. Glaetzle, R. Nath, B. Zhao +2

We study the non-equilibrium many-body dynamics of a cold gas of ground state alkali atoms weakly admixed by Rydberg states with laser light. On a timescale shorter than the lifeti…

cond-mat.quant-gas2012★ 647 cited

Condensed Matter Theory of Dipolar Quantum Gases

M. A. Baranov, M. Dalmonte, G. Pupillo +1

Recent experimental breakthroughs in trapping, cooling and controlling ultracold gases of polar molecules, magnetic and Rydberg atoms have paved the way toward the investigation of…

cond-mat.mtrl-sci2012★ 29 cited

Light controlled magnetoresistance and magnetic field controlled photoresistance in CoFe film deposited on BiFeO3

B. Kundys, C. Meny, M. R. J. Gibbs +5

We present a magnetoresistive-photoresistive device based on the interaction of a piezomagnetic CoFe thin film with a photostrictive BiFeO3 substrate that undergoes light-induced s…

cond-mat.mes-hall2012★ 40 cited

Onsager relations in a two-dimensional electron gas with spin-orbit coupling

C. Gorini, R. Raimondi, P. Schwab

Theory predicts for the two-dimensional electrons gas with only Rashba spin-orbit interaction a vanishing spin Hall conductivity and at the same time a finite inverse spin Hall eff…

quant-ph2012★ 12 cited

Quantum-correlated motion and heralded entanglement of distant optomechanically coupled objects

Wolfgang Niedenzu, Raimar M. Sandner, Claudiu Genes +1

The motion of two distant trapped particles or mechanical oscillators can be strongly coupled by light modes in a high finesse optical resonator. In a two mode ring cavity geometry…

cond-mat.mtrl-sci2012★ 68 cited

Photostriction in BiFeO3: wavelength dependence

B. Kundys, M. Viret, C. Meny +3

In electrically polar solids optomechanical effects result from the combination of two main processes, electric field-induced strain and photon-induced voltages. Whereas the former…

cond-mat.mes-hall2012★ 2 cited

Embedding method for the scattering phase in strongly correlated quantum dots

Rafael A. Molina, Peter Schmitteckert, Dietmar Weinmann +2

The embedding method for the calculation of the conductance through interacting systems connected to single channel leads is generalized to obtain the full complex transmission amp…

quant-ph2012★ 241 cited

Strong coupling and long-range collective interactions in optomechanical arrays

André Xuereb, Claudiu Genes, Aurélien Dantan

We investigate the collective optomechanics of an ensemble of scatterers inside a Fabry-Perot resonator and identify an optimized configuration where the ensemble is transmissive,…

cond-mat.mes-hall2012★ 15 cited

Large current noise in nanoelectromechanical systems close to continuous mechanical instabilities

Jochen Brüggemann, Guillaume Weick, Fabio Pistolesi +1

We investigate the current noise of nanoelectromechanical systems close to a continuous mechanical instability. In the vicinity of the latter, the vibrational frequency of the nano…