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Science Nature Electric field control of the LaAlO3/SrTiO3 interface ground state By A. D. Caviglia (UniGE), S. Gariglio, N. Reyren, D. Jaccard, T. Schneider, M. Gabay, S. Thiel, G. Hammerl, J. Mannhart & J.-M. Triscone Nature 456, 624-627 (4 December 2008) | doi:10.1038/nature07576 – [ link ] Nature Materials Direct measurement of the electronic spin diffusion length in a fully functional organic spin valve by low-energy muon spin rotation By A. J. Drew (UniFR), J. Hoppler, L. Schulz, F. L. Pratt, P. Desai, P. Shakya, T. Kreouzis, W. P. Gillin, A. Suter, N. A. Morley, V. K. Malik, A. Dubroka, K. W. Kim, H. Bouyanfif, F. Bourqui, C. Bernhard (UniFR), R. Scheuermann, G. J. Nieuwenhuys, T. Prokscha & E. Morenzoni. doi:10.1038/nmat2333 – [ link ] Physical Review Letters Local Interactions and Non-Abelian Quantum Loop Gases By Matthias Troyer (ETHZ), Simon Trebst, Kirill Shtengel, and Chetan Nayak Phys. Rev. Lett. 101, 230401 (2008) – [ link ] Spin Freezing Transition and Non-Fermi-Liquid Self-Energy in a Three- Orbital Model By Philipp Werner, Emanuel Gull, Matthias Troyer (ETHZ), and Andrew J. Millis Phys. Rev. Lett. 101, 166405 (2008) – [ link ] Expansion of a Quantum Gas Released from an Optical Lattice By F. Gerbier, S. Trotzky, S. Fölling, U. Schnorrberger, J. D. Thompson, A. Widera, I. Bloch, L. Pollet (ETHZ), M. Troyer, B. Capogrosso-Sansone, N.V. Prokof'ev, and B. V. Svistunov. Phys. Rev. Lett. 101, 155303 (2008) – [ link ] Binding of a 3He Impurity to a Screw Dislocation in Solid 4He By P. Corboz, L. Pollet (ETHZ), N. V. Prokof'ev, and M. Troyer. Phys. Rev. Lett. 101, 155302 (2008) – [ link ] |
Spatially Resolved Inhomogeneous Ferromagnetism in (Ga,Mn) As Diluted Magnetic Semiconductors: A Microscopic Study by Muon Spin Relaxation By V.G. Storchak, D.G. Eshchenko, E. Morenzoni (PSI), T. Prokscha, A. Suter, X. Liu, and J.K. Furdyna Phys. Rev. Lett. 101, 027202 (2008) – [ link ] Selected for the July 21, 2008 issue of Virtual Journal of Nanoscale Science & Technology. Coherent d-Wave Superconducting Gap in Underdoped La2-xSrxCuO4 by Angle-Resolved Photoemission Spectroscopy By M. Shi (PSI), J. Chang, S. Pailhés, M. R. Norman, J. C. Campuzano, M. Månsson, T. Claesson, O. Tjernberg, A. Bendounan, L. Patthey, N. Momono, M. Oda, M. Ido, C. Mudry, and J. Mesot. Phys. Rev. Lett. 101, 047002 (2008) – [ link ] Thermodynamics of the Spin Luttinger Liquid in a Model Ladder Material By Ch. Rüegg, K. Kiefer, B. Thielemann (PSI), D.F. Mc Morrow, V. Zapf, B. Normand, M.B. Zvonarev, P. Bouillot, C. Kollath, T. Giamarchi, S. Capponi, D. Poilblanc, D. Biner, K.W. Krämer Phys. Rev. Lett. 101, 247202 (2008) Fluctuation Relations Without Microreversibility in Nonlinear Transport By H. Förster and M. Büttiker (UniGE). Phys. Rev. Lett. 101, 136805 (2008) – [ link ] Spin-State Polarons in Lightly-Hole-Doped LaCoO3 By A. Podlesnyak, M. Russina, A. Furrer, A. Alfonsov, E. Vavilova, V. Kataev, B. Büchner, Th. Strässle, E. Pomjakushina, K. Conder, and D. I. Khomskii Phys. Rev. Lett. 101, 247603 (2008) – [ link ] Preeminent Role of the Van Hove Singularity in the Strong-Coupling Analysis of Scanning Tunneling Spectroscopy for Two-Dimensional Cuprate Superconductors By Giorgio Levy de Castro (UniGE), Christophe Berthod, Alexandre Piriou, Enrico Giannini, and Øystein Fischer Phys. Rev. Lett. 101, 267004 (2008) – [ link ] Electron-Phonon Interaction and Charge Carrier Mass Enhancement in SrTiO3 By J.L.M. van Mechelen (UniGE), D. van der Marel, C. Grimaldi, A.B. Kuzmenko, N.P. Armitage, N. Reyren, H. Hagemann, I.I. Mazin. Phys. Rev. Lett. 100, 226403 (2008) – [ link ] |
Controlling Luttinger Liquid Physics in Spin Ladders under a Magnetic Field By M. Klanjšek, H. Mayaffre, C. Berthier, M. Horvatić, B. Chiari, O. Piovesana, P. Bouillot (UniGE), C. Kollath, E. Orignac, R. Citro, and T. Giamarchi Phys. Rev. Lett. 101, 137207 (2008) – [ link ] Orbital Currents in Extended Hubbard Models of High-Tc Cuprate Superconductors By Cédric Weber (UniGE), Andreas Läuchli, Frédéric Mila, and Thierry Giamarchi Phys. Rev. Lett. 102, 017005 (2009) – [ link ] Observation of Two Nondispersive Magnetic Excitations in NiO by Resonant Inelastic Soft-X-Ray Scattering By G. Ghiringhelli, A. Piazzalunga, C. Dallera, T. Schmitt, V. N. Strocov, J. Schlappa, L. Patthey, X. Wang, H. Berger, and M. Grioni (EPFL). Phys. Rev. Lett. 102, 027401 (2009) – [ link ] Tunable Spin Gaps in a Quantum-Confined Geometry By Emmanouil Frantzeskakis, Stéphane Pons, Hossein Mirhosseini, Jürgen Henk, Christian R. Ast, and Marco Grioni (EPFL). Phys. Rev. Lett. 101, 196805 (2008) – [ link ] Near-Edge X-Ray Absorption Fine-Structure Investigation of Graphene By D. Pacilé (EPFL), M. Papagno, A. Fraile Rodríguez, M. Grioni, L. Papagno, Ç. Ö. Girit, J. C. Meyer, G. E. Begtrup, and A. Zettl. Phys. Rev. Lett. 101, 066806 (2008) – [ link ] Superconducting Energy Gap and c-Axis Plasma Frequency of (Nd,Sm)FeAsO0.82F0.18 Superconductors from Infrared Ellipsometry By A. Dubroka (UniFR), K. W. Kim, M. Rössle, V. K. Malik, A. J. Drew (UniFR), R. H. Liu, G. Wu, X. H. Chen, and C. Benhard Phys. Rev. Lett. 101, 097011 (2008) – [ link ] Coexistence of Magnetic Fluctuations and Superconductivity in the Pnictide High Temperature Superconductor SmFeAsO1_xFx Measured by Muon Spin Rotation By A. J. Drew (UniFR), F. L. Pratt, T. Lancaster, S. J. Blundell, P. J. Baker, R. H. Liu, G. Wu, X. H. Chen, I. Watanabe, V. K. Malik, A. Dubroka, K.W. Kim, M. Rössle, and C. Bernhard. PRL 101, 097010 (2008) – [ link ]
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