University of Birmingham > Talks@bham > Condensed Matter Physics Seminars > Experimental Investigation of Quantum Magnets

Experimental Investigation of Quantum Magnets

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If you have a question about this talk, please contact Mingee Chung.

Unlike conventional magnets where the magnetic moments are partially or completely static in the ground state, in a quantum spin liquid they remain in collective motion down to the lowest temperatures. The importance of this state is that it is coherent and highly entangled without breaking local symmetries. The spin liquid state is expected to occur in highly frustrated magnets such as those consisting or triangular and tetrahedral arrangements of magnetic ions. This state is however very rare with only a few Hamiltonians known theoretically to support it and only a few experimental realizations exist.

This talk will discuss the discovery and investigation of two highly frustrated compounds which have two- and three-dimensional lattices respectively, where the frustration is based on currently unexplored lattices. Neutron scattering, muon spectroscopy and physical properties data will be presented alongside theoretical calculations which together suggest that the spin liquid state might be present.

This talk is part of the Condensed Matter Physics Seminars series.

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