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Autor Gibbons, Gary W. |
Documentos disponibles escritos por este autor (3)
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Moreno, Teresa ; Lunar Hernández, Rosario ; Prichard, H.M. ; Gibbons, Gary W. | Sociedad Geológica de España. | 2000Chromitites with up to 13,375 ppb of total PGE occur in layered dunites in the ultramafic massifs of Cabo Ortegal (NW Spain). These ultramafics comprise mantle harzburgites (with dunite pods) overlain by a (crustal) layered complex formed by a l[...]texto impreso
We consider ?-model strings and U(1) global strings coupled to gravity and look for static solutions with whole cylinder symmetry. We prove that in both cases there are no regular spatially compact solutions. The U(1) global string admits no asy[...]texto impreso
We study the non-relativistic Coulomb problem on a cone. The non-trivial topology of the cone breaks the symmetry associated with the conservation of the Lagrange-Laplace Runge-Lenz vector. Classically this translates into a precession of the or[...]