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Phonon cooling and lasing with nitrogen-vacancy centers in diamond 27 Aug 2013 | 07:00 pm
Author(s): K. V. Kepesidis, S. D. Bennett, S. Portolan, M. D. Lukin, and P. Rabl We investigate the strain-induced coupling between a nitrogen-vacancy impurity and a resonant vibrational mode of a di...
Probing magnetic order in CuFeO_{2} through nuclear forward scattering in high magnetic fields 26 Aug 2013 | 07:00 pm
Author(s): C. Strohm, T. T. A. Lummen, I. P. Handayani, T. Roth, C. Detlefs, P. J. E. M. van der Linden, and P. H. M. van Loosdrecht Determining the magnetic order of solids in high magnetic fields i...
Coherence factors beyond the BCS result 26 Aug 2013 | 07:00 pm
Author(s): G. Gorohovsky and E. Bettelheim The dynamics of BCS (Bardeen-Cooper-Schrieffer) superconductors is fairly well understood due to the availability of a mean-field solution for the pairing H...
New collective mode in YBa_{2}Cu_{3}O_{6+x} observed by time-domain reflectometry 26 Aug 2013 | 07:00 pm
Author(s): J. P. Hinton, J. D. Koralek, Y. M. Lu, A. Vishwanath, J. Orenstein, D. A. Bonn, W. N. Hardy, and Ruixing Liang We report the observation of coherent oscillations associated with charge-den...
Entanglement subspaces, trial wave functions, and special Hamiltonians in the fractional quantum Hall effect 26 Aug 2013 | 07:00 pm
Author(s): T. S. Jackson, N. Read, and S. H. Simon We consider spaces of trial wave functions for ground states and edge excitations in the fractional quantum Hall effect that can be obtained in vari...
Aharonov-Casher effect for plasmons in a ring of Josephson junctions 23 Aug 2013 | 07:00 pm
Author(s): Roman Süsstrunk, Ion Garate, and Leonid I. Glazman Phase slips in a one-dimensional closed array of Josephson junctions hybridize the persistent current states and plasmon branches of exci...
Coupling of exciton states as the origin of their biexponential decay dynamics in GaN nanowires 22 Aug 2013 | 07:00 pm
Author(s): Christian Hauswald, Timur Flissikowski, Tobias Gotschke, Raffaella Calarco, Lutz Geelhaar, Holger T. Grahn, and Oliver Brandt Using time-resolved photoluminescence spectroscopy, we explore...
Negative magnetostrictive magnetoelectric coupling of BiFeO_{3} 21 Aug 2013 | 07:00 pm
Author(s): Sanghyun Lee, M. T. Fernandez-Diaz, H. Kimura, Y. Noda, D. T. Adroja, Seongsu Lee, Junghwan Park, V. Kiryukhin, S.-W. Cheong, M. Mostovoy, and Je-Geun Park How magnetoelectric coupling act...
Calculus of continuous matrix product states 20 Aug 2013 | 07:00 pm
Author(s): Jutho Haegeman, J. Ignacio Cirac, Tobias J. Osborne, and Frank Verstraete We discuss various properties of the variational class of continuous matrix product states, a class of Ansatz stat...
Classifying and measuring geometry of a quantum ground state manifold 19 Aug 2013 | 07:00 pm
Author(s): Michael Kolodrubetz, Vladimir Gritsev, and Anatoli Polkovnikov From the Aharonov-Bohm effect to general relativity, geometry plays a central role in modern physics. In quantum mechanics, m...
