Browsing Faculty of Science by Author "Qiu, Y."

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  • Spin waves and quantum criticality in the frustrated XY pyrochlore antiferromagnet Er2Ti2O7 

    Ruff, J. P. C.; Clancy, J. P.; Bourque, A.; White, M. A.; Ramazanoglu, M.; Gardner, J. S.; Qiu, Y.; Copley, J. R. D.; Johnson, M. B.; Dabkowska, H. A.; Gaulin, B. D. (2008-10)
    We report detailed measurements of the low temperature magnetic phase diagram of Er2Ti2O7. Heat capacity and time- of- flight neutron scattering studies of single crystals reveal unconventional low- energy states. Er3+ ...