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Beecroft building, Department of Physics, University of Oxford
Credit: Jack Hobhouse

Prof. J. C. Seamus Davis

Professor of Physics

Research theme

  • Fields, strings, and quantum dynamics
  • Quantum materials

Sub department

  • Condensed Matter Physics

Research groups

  • Macroscopic Quantum Matter
seamus.davis@physics.ox.ac.uk
Telephone: +353830392937
Clarendon Laboratory, room 512.40.28
davis-group-quantum-matter-research.ie
  • About
  • Publications

A detailed scanning tunneling microscopy study of the CuO chains in YBa2Cu3O7−x

Physica C: Superconductivity and its Applications Elsevier 341 (2000) 425-428

Authors:

DJ Derro, EW Hudson, KM Lang, SH Pan, JC Davis, K Mochizuki, JT Markert, AL de Lozanne
More details from the publisher

STM studies of the electronic structure of vortex cores in Bi(2)Sr(2)CaCu(2)O(8+delta)

Physical review letters 85:7 (2000) 1536-1539

Authors:

SH Pan, EW Hudson, AK Gupta, K Ng, H Eisaki, S Uchida, JC Davis

Abstract:

We report on low temperature scanning tunneling microscopy (STM) studies of the electronic structure of vortex cores in Bi 2Sr 2CaCu 2O (8+delta). At the vortex core center, an enhanced density of states is observed at energies near Omega = +/-7 meV. Spectroscopic imaging at these energies reveals an exponential decay of these "core states" with a decay length of 22+/-3 A. The fourfold symmetry sometimes predicted for d-wave vortices is not seen in spectroscopic vortex images. A locally nodeless order parameter induced by the magnetic field may be consistent with these measurements.
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Equilibrium thickness of saturated superfluid 3He films on a copper substrate

Physica B Condensed Matter Elsevier 284 (2000) 275-276

Authors:

AMR Schechter, JA Hoffmann, RE Packard, JC Davis
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NMR measurements of superfluid 3He-A in cylindrical cell under rotation

Physica B Condensed Matter Elsevier 284 (2000) 248-249

Authors:

O Ishikawa, R Ishiguro, K Fukuda, Y Sasaki, T Takagi, T Ohmi, T Mizusaki, A Marchenkov, JC Davis, RE Packard
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Quality factor of a superfluid 3He weak link resonator

Physica B Condensed Matter Elsevier 284 (2000) 283-284

Authors:

RW Simmonds, A Marchenkov, JC Davis, RE Packard
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