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Quantum projection in an Ising spin liquid | | D M Silevitch
; C M S Gannarelli
; A J Fisher
; G Aeppli
; T F Rosenbaum
; | | Date: |
3 Aug 2007 | | Journal: | Phys Rev Lett, 99 (5), 057203 | | Abstract: | A transverse magnetic field is used to scan the diagonal and off-diagonal susceptibility of the uniaxial quantum magnet, LiHo(0.045) Y(0.955)F(4). Clusters of strongly coupled spins act as the primary source for the response functions, which result from a field-induced quantum projection of the system into a classically forbidden (meaning non-Ising) regime. Calculations based on spin pairs reproduce only some features of the data and fail to predict the measured off-diagonal response, providing evidence of a multispin collective state. | | Source: | PubMed, pmid17930784 | | Other source: | [GID 229708] arxiv.0706.4480 | | Services: | Forum | Review | Favorites | |
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