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Derek Walton  Professor Emeritus Department of Physics and Astronomy  McMaster University  Hamilton, ON  L8S 4M1  Office:  ABB-274  Lab: ABB-B147/B151  Phone:  (905) 525-9140 x24635  FAX:    (905) 546-1252  E-mail: waltond@mcmaster.ca  Research Area: Condensed Matter Experiment

Research Interests

Derek Walton received his Ph.D. from Harvard University in 1958. He was a postdoctoral fellow at the University of California at Berkeley and at Cornell University. In 1962 he joined the Solid State Division of the Oak Ridge National Laboratory, and in 1968 he moved to McMaster where he is now Professor of Physics. He has been an SERC visiting fellow at Bristol University (1974-75) and at Oxford University (1976-79). He has been a visiting fellow at Linacre College, Oxford (1978-79) and a member of Darwin College, Cambridge (1980-86). He was elected a Fellow of the American Physical Society in 1982, and in 1988 an Honorary International Fellow of the Institute of Prehistoric Sciences and Archaeology.

Dr. Walton's interests include the study of the dynamics of disordered systems using light scattering, in particular the interactions between solute ions in alkali halides and spin glasses. He is also interested in the statistical mechanics of assemblies of magnetic particles, the application of these ideas to the magnetism of archaeological baked clays, and the deduction of the secular variation of the intensity of the geomagnetic field.
 

Selected Publications

• "Constrained Relaxation and the Glass Transition in KBr1-xKCNx", D. Walton, Phys. Rev. Let. 65, 1599-1602 (1990).
• "Microwave Magnetisation", D. Walton, J. Share, T.C. Rolph and J. Shaw, Geophys. Res. Let. 20, 109-111 (1993).

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