CME SEMINAR TODAY - 11:30a - Smith Seminar Room - Jonathan Morris, Helmholtz-Zentrum, Berlin

[Longbrake, Patricia]

Please join us this morning at 11:30am in the Smith Seminar room for the first Condensed Matter Experiment Seminar presented by Jonathan Morris, Helmholtz-Zentrum, Berlin.

"Race for the pole"

Magnetic monopoles, free magnetic charges, are long sought after entities in science. Independently in 2005 Ryzhkin [1] and in 2008 Castelnovo, Moessner and Sondhi [2] predicted that defects in a family of frustrated magnetic materials called "spin ice" could resemble magnetic charges. These predictions sparked interest in the experimental community and different experimental groups started to look for these defects. I will introduce spin ice, magnetic monopoles and describe our search for evidence of these defects [3].

[1] I.A. Ryzhkin. J. Exp. Theor. Phys. 101, 481 (2005)
[2] C. Castelnovo, R. Moessner and S.L. Sondhi. Nature 451, 42 (2008)
[3] D.J.P. Morris, D.A. Tennant, S.A. Grigera, B. Klemke, C. Castelnovo, R. Moessner, C. Czternasty, M. Meissner, K.C. Rule, J.-U. Hoffmann, K. Kiefer, S. Gerischer, D. Slobinky and R.S. Perry. Science 326, 411 (2009)

Thank you,
Trisch
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