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 and O.T. Valls, Emergence of Triplet Correlations in Superconductor/Half Metallic Nanojunctions with Spin Active Interfaces, Phys. Rev. B 80, 104502 (2009) [abstract]
C. Dasgupta and O.T. Valls, The phase diagram of vortex matter in layered superconductors with tilted columnar pinning centers, Phys. Rev B 80, 094517 (2009) [abstract]
Paul H. Barsic and Oriol T. Valls, Tunneling conductance in Superconductor/Ferromagnet junctions: a self consistent approach, Phys. Rev. B79, 014502 (2009) [abstract]
Chandan Dasgupta and Oriol T. Valls, Hydrodynamics of superfluids confined in blocked rings and wedges, Phys. Rev. E79, 016303 (2009) [abstract]
K. Halterman, O.T. Valls and P.H. Barsic, Induced triplet pairing in s-wave superconductor/ferromagnet layered structures, Phys. Rev. B77, 174511 (2008)
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]
Education
M.Sc., Brown University, 1970-1972.
B.Sc., University of Barcelona, 1965-1969.