Oriol T. Valls
Professor
350B Tate, 624-0516, email otvalls @ umn.edu
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FELLOW, MINNESOTA SUPERCOMPUTER INSTITUTE, 1989-Fellow, American Physical Society, 1999.
Fellow, Minnesota Supercomputer Institute
University of Minnesota Digital technology center (committees)
Fellow, American Physical Society
Professeur Invite, University of Paris (Orsay)
Member, nominations Committee, APS Forum of Physics and Society
Invited Speaker at many international conferences
Referee: European Community large grant (€5,000,000) program on nanotechnology.
Current Research
Exotic forms of Superconductivity; Ferromagnet-Superconductor
Proximity Effects; Vortex Lattice; Phase diagram; High Temperature Superconductors; Dynamics of Glassy Systems; Nonequilibrium phenomena.
Selected Publications
K. Halterman, Paul Barsic and Oriol T. Valls, Odd Triplet Pairing in Clean Superconductor/Ferromagnet Heterostructures, Phys. Rev. Lett. 99 127002 (2007)
Paul H. Barsic, Oriol T. Valls, Klaus Halterman, Thermodynamics and Phase Diagrams of layered superconductor/ferromagnet nanostructures, Phys. Rev. B 75, 104502 (2007)
C. Dasgupta and Oriol T. Valls, Phase diagram of vortex matter in layered superconductors with random point pinning, Phys. Rev. B74 184513 (2006)
Paul H. Barsic, Oriol T. Valls and Klaus Halterman, First order phase transitions in Ferromagnet/Superconductor layered structures, Phys. Rev B73 144514 (2006)
K. Halterman and O.T. Valls, Nanoscale ferromagnet-superconductor-ferromagnet switches controlled by magnetization orientation, Phys. Rev. B72, 060514(R) 2005 [abstract]
C. Dasgupta and O.T. Valls, Phase diagram of the vortex system in layered superconductors with strong columnar pinning, Phys. Rev. B 72, 094501 (2005) [abstract]
K. Halterman and Oriol T. Valls, Local density of states and order parameter configurations in layered superconductor ferromagnet structures, Physica C, 420, 11-124 (2005). [abstract]
K. halterman and O.T. Valls, Stability of the pi junction configuration in ferromagnet-superconductor heterostructures, Phys. Rev B70, 104516 (2004) [abstract]
Klaus Halterman and Oriol T. Valls, Layered ferrromagnet-superconductor structures: the pi state and proximity effects, Phys. Rev B69, 014517 (2004).
Chandan Dasgupta and Oriol T. Valls, Melting and structure of the vortex solid in strongly anisotropic layered superconductors with random columnar pins, Phys. Rev. B69, 214520 (2004).
Education
M.Sc., Brown University, 1970-1972.
B.Sc., University of Barcelona, 1965-1969.