2.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR773 papers
- Université Grenoble AlpesFR325 papers
- Institut National des Sciences Appliquées de ToulouseFR210 papers
- Université Joseph FourierFR194 papers
- Université Toulouse III - Paul SabatierFR170 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR134 papers
- CEA GrenobleFR112 papers
- University of WarsawPL87 papers
- Institut NéelFR84 papers
- Charles UniversityCZ80 papers
- Institut Nanosciences et CryogénieFR53 papers
- Institut polytechnique de GrenobleFR48 papers
29 papers · 1 filter
Evidence for magnetoplasmon character of the cyclotron resonance response of a two-dimensional electron gas
Clément Faugeras, Gérard Martinez, A. Riedel +3
Experimental results on the absolute magneto-transmission of a series of high density, high mobility GaAs quantum wells are compared with the predictions of a recent magnetoplasmon…
Quantum information processing based on P-31 nuclear spin qubits in a quasi-one-dimensional Si-28 nanowire
Issai Shlimak, Israel Vagner
We suggest a new method of quantum information processing based on the precise placing of P-31 isotope atoms in a quasi-one-dimensional Si-28 nanowire using isotope engineering and…
Pinning-induced formation of vortex clusters and giant vortices in mesoscopic superconducting disks
W. Escoffier, I. V. Grigorieva, V. R. Misko +4
Multi-quanta, or giant, vortices (GVs) are known to appear in very small superconductors near the superconducting transition due to strong confinement of magnetic flux. Here we pre…
Pressure dependence of the magnetoresistance oscillations spectrum of beta''-(BEDT-TTF)4(NH4)[Fe(C2O4)3].DMF
Alain Audouard, Vladimir N. Laukhin, Jérome Béard +5
The pressure dependence of the interlayer magnetoresistance of the quasi-two dimensional organic metal beta''-(BEDT-TTF)4(NH4)[Fe(C2O4)3].DMF has been investigated up to 1 GPa in p…
Uniform and staggered magnetizations induced by Dzyaloshinskii-Moriya interactions in isolated and coupled spin 1/2 dimers in a magnetic field
S. Miyahara, J. -B. Fouet, S. R. Manmana +5
We investigate the interplay of Dzyaloshinskii-Moriya interactions and an external field in spin 1/2 dimers. For isolated dimers and at low field, we derive simple expressions for…
Temperature and Magnetic Field Dependencies of Condon Domain Phase in Lifschitz-Kosevich-Shoenberg Approximation
N. Logoboy, W. Joss
The temperature and magnetic field behavior of non-uniform diamagnetic phase of strongly correlated electron gas at the conditions of dHvA effect is analyzed. It is shown, that in…
Temperature and Magnetic Field Dependencies in a Model of Diamagnetic Hysteresis in Beryllium
N. Logoboy, W. Joss
The model of diamagnetic hysteresis loop of strongly correlated electron gas at the conditions of dHvA effect is developed. It is shown, that in the framework of Rayleigh theory fo…
Diamagnetic Phase Transition and Phase Diagrams in Beryllium
N. Logoboy, W. Joss
The model of diamagnetic phase transition in beryllium which takes into account the quasi 2-dimensional shape of the Fermi surface of beryllium is proposed. It explains correctly t…
S=1/2 antiferromagnetic Heisenberg chain with staggered fields: Copper pyrimidine and copper benzoate using the density matrix renormalization group for transfer matrices
S. Glocke, A. Klümper, H. Rakoto +3
We consider the spin-1/2 antiferromagnetic Heisenberg chain in a staggered magnetic field describing materials such as copper benzoate and copper pyrimidine dinitrate. Using the de…
Magneto-optical probing of weak disorder in a two-dimensional hole gas
Leszek Bryja, Arkadiusz Wojs, Jan Misiewicz +3
In two-beam magneto-photoluminescence spectra of a two-dimensional valence hole gas we identify the three-level energy spectrum of a free positive trion with a field-induced single…
Electron transport through antidot superlattices in heterostructures: new magnetoresistance resonances in lattices with large diameter antidots
E. B. Olshanetsky, Vincent Thomas Francois Renard, Z. D. Kvon +2
In the present work we have investigated the transport properties in a number of Si/SiGe samples with square antidot lattices of different periods. In samples with lattice periods…
Evidence for excitonic polarons in InAs/GaAs quantum dots
Vanessa Preisler, Thomas Grange, Robson Ferreira +5
We investigate the interband transitions in several ensembles of self-assembled InAs/GaAs quantum dots by using photoluminescence excitation spectroscopy under strong magnetic fiel…
Field Induced Staggered Magnetization and Magnetic Ordering in
M. Clemancey, H. Mayaffre, C. Berthier +6
We present a D NMR investigation of the gapped spin-1/2 compound . Our measurements reveal the presence of a magnetic field induced transverse sta…
Effect of free carriers and impurities on density of states and optical spectra of two-dimensional magneto-excitons
Anna Gladysiewicz, Leszek Bryja, Arkadiusz Wojs +1
Density of states (DOS) and absorption spectrum of weakly doped, narrow quantum wells in high magnetic fields are calculated by realistic exact diagonalization. The systems contain…
High field magnetisation of the frustrated one dimensional quantum antiferromagnet LiCuVO4
M. G. Banks, F. Heidrich-Meisner, A. Honecker +3
We have investigated the high field magnetisation of the frustrated one dimensional compound LiCuVO4. In zero field, LiCuVO4 undergoes long range antiferromagnetic order at T_{N} ~…
Quantum critical behaviour of the plateau-insulator transition in the quantum Hall regime
A. de Visser, L. A. Ponomarenko, G. Galistu +4
High-field magnetotransport experiments provide an excellent tool to investigate the plateau-insulator phase transition in the integral quantum Hall effect. Here we review recent l…
Spin excitations in the antiferromagnet NaNiO2
Sophie De Brion, C. Darie, M. Hopzapfel +5
In NaNiO2, Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with fe…
Exchange integrals and magnetization distribution in BaCu2X2O7 (X=Ge,Si)
Sylvain Bertaina, Roland Hayn
Estimating the intrachain and interchain exchange constants in BaCu2X2O7 (X=Ge,Si) by means of density-functional calculations within the local spin-density approximation (LSDA) we…
Landau level spectroscopy of ultrathin graphite layers
M. L. Sadowski, G. Martinez, M. Potemski +2
Far infrared transmission experiments are performed on ultrathin epitaxial graphite samples in a magnetic field. The observed cyclotron resonance-like and electron-positron-like tr…
Observation of Spin Susceptibility Enhancement in the Possible FFLO State in CeCoIn
V. F. Mitrovic, M. Horvatic, C. Berthier +3
We report In nuclear magnetic resonance (NMR) measurements of the heavy-fermion superconductor CeCoIn in the vicinity of the superconducting critical field for…
Magneto-optical spectroscopy of (Ga,Mn)N epilayers
Stéphane Marcet, David Ferrand, David Halley +7
We report on the magneto-optical spectroscopy and cathodoluminescence of a set of wurtzite (Ga,Mn)N epilayers with a low Mn content, grown by molecular beam epitaxy. The sharpness…
Quenched charge disorder in CuO2 spin chains: Experimental and numerical studies
R. Leidl, R. Klingeler, B. Buechner +2
We report on measurements of the magnetic response of the anisotropic CuO_2 spin chains in lightly hole-doped La_x (Ca,Sr)_14-x Cu_24 O_41, x>=5. The experimental data suggest that…
Hole-LO phonon interaction in InAs/GaAs quantum dots
Vanessa Preisler, Robson Ferreira, Sophie Hameau +4
We investigate the valence intraband transitions in p-doped self-assembled InAs quantum dots using far-infrared magneto-optical technique with polarized radiation. We show that a p…
Nitrogen doping of metallic single-walled carbon nanotubes: n-type conduction and dipole scattering
V. Krstic, G. L. J. A. Rikken, P. Bernier +2
The charge transport properties of individual, metallic nitrogen doped, single-walled carbon nanotubes are investigated. It is demonstrated that n-type conduction can be achieved b…