Magnetic resonances observed in the high-field magneto-optical absorption of the quantum Ising ferromagnet LiHoF4

R S Edwards, Alessandro Narduzzo, E Lyons, L Childress, S J Blundell, J Singleton

Research output: Contribution to journalArticle

Abstract

The magneto-optical absorption of the quantum Ising ferromagnet LiHoF4 has been measured in the frequency range 38 to 140 GHz, the temperature range 0.5 to 20 K and magnetic fields of up to 15 T. The sample was studied in two orientations, with the external magnetic field aligned perpendicular or parallel to the uniaxial direction, i.e., along the quantum and classical directions. In each case, several families of resonances are observed, including linear EPR branches and a series of non-linear fast moving resonances. We present this data and propose an interpretation for the origin of these resonances.
Original languageEnglish
Pages (from-to)3312-3315
Number of pages4
JournalInternational Journal of Modern Physics B
Volume16
Issue number20 & 22
DOIs
Publication statusPublished - 2002

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