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astro-ph.SR2008★ 54 cited

Photospheric and Subphotospheric Dynamics of Emerging Magnetic Flux

A. G. Kosovichev

Magnetic fields emerging from the Sun's interior carry information about physical processes of magnetic field generation and transport in the convection zone. Soon after appearance…

astro-ph2008★ 34 cited

FIRST "Winged" and X-shaped Radio Source Candidates: II. New Redshifts

C. C. Cheung, Stephen E. Healey, Hermine Landt +2

We report optical spectroscopic observations of X-shaped radio sources with the Hobby-Eberly Telescope and Multiple-Mirror Telescope, focused on the sample of candidates from the F…

cond-mat.mtrl-sci2008★ 22 cited

Dispersion in magnetostatic CoTaZr spin wave-guides

A. Kozhanov, D. Ouellette, Z. Griffith +5

Magnetostatic spin wave dispersion and loss are measured in micron scale spin wave-guides in ferromagnetic, metallic CoTaZr. Results are in good agreement with model calculations o…

cond-mat.mtrl-sci2008★ 67 cited

Magnetically induced electronic ferroelectricity in half-doped manganites

Gianluca Giovannetti, Sanjeev Kumar, Jeroen van den Brink +1

Using a joint approach of density functional theory and model calculations, we demonstrate that a prototypical charge ordered half-doped manganite, LaCaMnO is m…

math.AG2008★ 4 cited

Genus-One Stable Maps, Local Equations, and Vakil-Zinger's desingularization

Yi Hu, Jun Li

We describe an algebro-geometric approach to Vakil-Zinger's desingularization of the main component of the moduli of genus one stable maps to projective space. The new approach pro…

cond-mat.supr-con2008★ 30 cited

Persistent current in small superconducting rings

G. Schwiete, Y. Oreg

We study theoretically the contribution of fluctuating Cooper pairs to the persistent current in superconducting rings threaded by a magnetic flux. For sufficiently small rings, in…