Results 61 to 70 of about 48,351 (153)

SplitLab: A shear-wave splitting environment in Matlab

, 2008
International audienceWe present a graphical user interface to facilitate the processing of teleseismic shear-wave splitting observations. In contrast to a fully automated technique, we present a manual, per-event approach that maintains user control ...
Barruol, Guilhem, Bokelmann, Goetz, Wüstefeld, A., Zaroli, C.   +3 more
core   +3 more sources

Cosmic Electromagnetic Fields due to Perturbations in the Gravitational Field [PDF]

, 2012
We use non-linear gauge-invariant perturbation theory to study the interaction of an inflation produced seed magnetic field with density and gravitational wave perturbations in an almost Friedmann-Lema\^itre-Robertson-Walker (FLRW) spacetime.
Bishop Mongwane, Bob Osano, C. W. Misner, E. R. Harrison, G. F. Ellis, Peter K. S. Dunsby   +5 more
core   +2 more sources

Mantle Structure and Flow Across the Continent‐Ocean Transition of the Eastern North American Margin: Anisotropic S‐Wave Tomography

Geochemistry, Geophysics, Geosystems, 2021
Little has been seismically imaged through the lithosphere and mantle at rifted margins across the continent‐ocean transition. A 2014–2015 community seismic experiment deployed broadband seismic instruments across the shoreline of the eastern North ...
Brennan R. Brunsvik, Zachary C. Eilon, Colton Lynner   +2 more
doaj   +1 more source

Prediction of Complex Observed Shear Wave Splitting Patterns at Ryukyu Subduction Zone Using a Strong Intra‐Slab Anisotropy Model

Geophysical Research Letters
Complex shear wave splitting (SWS) patterns in subduction zones are often interpreted geodynamically as resulting from complex mantle flow; however, this may not always be necessary.
Sharmila Appini, Jiaxuan Li, Hao Hu, Neala Creasy, Leon Thomsen, Joseph McNease, Yingcai Zheng   +6 more
doaj   +1 more source

Azimuthal anisotropy beneath north central Africa from shear wave splitting analyses

Geochemistry, Geophysics, Geosystems, 2015
This study represents the first multistation investigation of azimuthal anisotropy beneath the interior of north central Africa, including Libya and adjacent regions, using shear wave splitting (SWS) analysis.
Awad A. Lemnifi, Kelly H. Liu, Stephen S. Gao, Cory A. Reed, Ahmed A. Elsheikh, Youqiang Yu, Abdala A. Elmelade   +6 more
doaj   +1 more source

SKS-wave splitting and upper mantle structure: results in the Southern Apennines

Annals of Geophysics, 1998
Shear wave splitting measures at six temporary stations in the Southern Apennines are computed analyzing fifteen events recorded during the spring and summer 1996, with magnitude greater than 5.8.
L. Margheriti
doaj   +1 more source

Quasi-Two-Dimensional Dynamics of Plasmas and Fluids [PDF]

, 1994
In the lowest order of approximation quasi-twa-dimensional dynamics of planetary atmospheres and of plasmas in a magnetic field can be described by a common convective vortex equation, the Charney and Hasegawa-Mirna (CHM) equation. In contrast to the two-
Akira Hasegawa, Antipov S. V., Antipov S. V., Antonova R. A., Antonova R. A., Balk A. M., Balk A. M., Charney J. G., Dyanchenko A. I., Ertel H., Gordin V. A., Gordin V. A., Horton W., Jovanović D., Kadomtsev B. B., Kandrup H. E., Kolmogorov A. N., Laedke E. W., Laedke E. W., Larichev V. D., Larichev V. D., Mazzucato E., Novakovskii S. V., Nycander J., Petviashvili V. I., Petviashvili V. I., Petviashvili V. I., Petviashvili V. I., Petviashvili V. I., Piterbarg L. I., Rudakov L. I., Shapiro V. D., Stewart H. J., Surko C. M., Tasso H., Wakatani M., Waltz R. E., Wendell Horton, Williams G. P.   +38 more
core   +1 more source

Shear Wave Splitting and Mantle Flow in Mexico: What Have we Learned?

Geofísica Internacional, 2017
El presente artículo es un resumen y análisis de los estudios de partición de ondas transversales (shear wave splitting) para el manto superior que se han realizado en México durante la última década.
Raúl Valenzuela Wong, Gerardo León Soto   +1 more
doaj   +1 more source

The Giant Flare of 1998 August 27 from SGR 1900+14: II. Radiative Mechanism and Physical Constraints on the Source

, 2001
(ABBREVIATED) The extraordinary 1998 August 27 giant flare places strong constraints on the physical properties of its source, SGR 1900+14. We make detailed comparisons of the published data with the magnetar model.
Barat C., Barat C., C. Thompson, Hulleman F., Lynden-Bell D., Mazets E. P., Mazets E. P., Paczynski B., R. C. Duncan, Thompson C.   +9 more
core   +1 more source

Discovery of the Acoustic Faraday Effect in Superfluid 3He-B

, 1999
We report the discovery of the acoustic Faraday effect in superfluid 3He-B. The observation of this effect provides the first direct evidence for propagating transverse acoustic waves in liquid 3He, a mode first predicted by Landau in 1957.
AJ Leggett, BS Shivaram, D Vollhardt, EG Flowers, EG Flowers, GF Moores, HS Bennett, J Bardeen, J. A. Sauls, JA Sauls, JC Wheatley, K Maki, K Maki, LD Landau, M Combescot, N Schopohl, N Schopohl, O Avenel, P Wölfle, PR Roach, PW Anderson, R Movshovich, R Movshovich, RH McKenzie, S Kalbfeld, T. M. Haard, W. P. Halperin, WP Halperin, Y Lee, Y. Lee   +29 more
core   +1 more source