Harry Suhl

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Harry Suhl - Professor of Physics, University of California San Diego

Dr. Harry Suhl
Research Professor
Personal details
Born	(1922-10-08) October 8, 1922 Leipzig, Germany
Alma mater	University of Wales University of Oxford (Ph.D)
Profession	Research Physicist
Awards	Member - National Academy of Science

Harry Suhl is a German-anmerican physicist. He  was born in Leipzig, Germany, on October 18, 1922. He received a B.Sc. degree from the University of Wales in 1943, and a PhD degree in theoretical physics from Oriel College, University of Oxford, in 1948.

In 1948, he joined the technical staff of Bell Telephone Laboratories at Murray Hill, New Jersey, where he remained until, in 1960. he was appointed Professor of Physics at the University of California, San Diego; he became Professor of Physics, Emeritus, in 1991.

Research

With William Shockley in 1948, Suhl contributed to fundamental aspects of charge carried dynamics in semiconductors. In 1953, he and Larry R. Walker developed a detailed analysis of wave propagation in waveguides loaded with gyromagnetic and gyroelectric media, pertaining to certain microwave devices. Suhl gave the definitive explanation of nonlinear effects in ferromagnetic resonance (the Suhl instability) in '55/,56, a subject that has recently proliferated. The principles involved led Suhl to patent a ferromagnetic parametric amplifier in 1956. This work stimulated wide utilization of parametric amplification, in general. In 1957, Suhl, and, independently, T. Nakamura, uncovered a major source of broadening of nuclear magnetic resonance lines in magnetically ordered media (the Suhl-Nakamura interaction).

Between 1957 and 1965, Suhl contributed to certain aspects of superconductivity theory (e.g., the so-called two-band model). In 1965, the and, independently, A.A. Abrikosov, resolved apparent divergences in the calculated properties of dilute magnetic alloys, attributing them to a particular resonance (the Abrikosov- Suhl resonance). In the 1970's and 80's he worked in surface physics and catalysis and studied reaction kinetics, in circumstances in which the traditional Kramers-Eyring approach fails. He continues to lead an active research group, including PhD students, at UCSD.

Awards, Recognition and Published Works

Suhl is a member of the National Academy of Sciences and a Fellow of the American Physical Society. He was awarded a John Simon Guggenheim Fellowship in '68/,69, a Doctor of Science degree from the University of Oxford in 1969, and a National Science Foundation Senior Postdoctoral Fellowship in '70/,71. He received an Alexander von Humboldt Senior Scientist Award in 1991. Suhl has served on the board of editors for the Physical Review ('55-'76) and Solid State Communications ('61-'90), is co-editor of Magnetism, a Treatise on Modern Theory and Materials (with G.T. Rado, Academic Press, New York, S volumes, '63-'72), Superconductivity in d- and f-Band Metals (with M.B. Maple, Academic Press, New York, 1980) and Many Body Phenomena at Surfaces (with D.C. Langreth, Academic Press, New York, 1984). He served as Chairman of the Physics Department of UCSD (1965-1968; 1972-1975) and as Director of the Institute for Pure and Applied Physical Sciences (1980-1991).

Research Statement and Selected Publications

Suhl's research covers statistical mechanics and critical effects in non-equilibrium systems, magnetism on macroscopic and mesoscopic length scales, reaction kinetics and non-linear dynamics

Selected Publications:

Applications of Nonlinear Dynamics to Various Problems in Condensed Matter Physics. Current Trends in Condensed Matter Physics, Proceedings of Universidade de Brasilia Winter School on "Non-linear Physical Phenomena," July, 1989, eds. A. Ferraz, F. Oliveira and R. Osorio (World Scientific, Teaneck, NJ, 1989).

Some Nonlinear Effects in Magnetically Ordered Materials, in Nonlinear Phenomena and Chaos in Magnetic Materials, ed P.E. Wigen (World Scientific, Teaneck,NJ, 1989).

Motion of a Bloch Domain Wall. With D. Bouzidi. Phys. Rev. Lett., 65, 2587 (1990).

Scaling of Critical Self-Organized Magnetic Domain Formation. With X. Che. Phys. Rev. B 44, 155 (1991).

Front Propagation into an Unstable Ferromagnetic State. With H.J. Elmer and J. Burns. Europhys. Lett. 22, 399 (1993).

Magnetic Susceptibility of a Real Ferromagnet near the Coexistence condition. With Rodrigo Arias. Phys. Rev. B 51, 979 (1995).

References

• UCSD Libraries
• Array of Contemporary American Physicists
• Professor Brian Maple