Evolution of spinon Fermi surface and magnetic response of hyperkagome spin liquids (Articolo in rivista)

Type
Label
  • Evolution of spinon Fermi surface and magnetic response of hyperkagome spin liquids (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.88.144422 (literal)
Alternative label
  • Forte, F.ab, Van Den Brink, J.c, Cuoco, M.ab (2013)
    Evolution of spinon Fermi surface and magnetic response of hyperkagome spin liquids
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Forte, F.ab, Van Den Brink, J.c, Cuoco, M.ab (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84887060273&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 88 (literal)
Rivista
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  • 14 (literal)
Note
  • Scopu (literal)
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  • a CNR-SPIN, I-84084 Fisciano (SA), Italy b Dipartimento di Fisica E. R. Caianiello, Università di Salerno, I-84084 Fisciano (SA), Italy c Institute for Theoretical Solid State Physics, IFW-Dresden, D-01171 Dresden, Germany (literal)
Titolo
  • Evolution of spinon Fermi surface and magnetic response of hyperkagome spin liquids (literal)
Abstract
  • Quantum spin liquids are elusive states of matter that are characterized by a lack of long-range magnetic order, which renders their excitation spectra the key to identifying them. Studying the magnetic response of a class of spin-liquid states with fermionic spinons and broken time reversal symmetry (TRS) on the three-dimensional hyperkagome lattice of Na4Ir 3O8, we demonstrate that the spinon Fermi surface has a topological transition as a function of the flux intensity generated by the spinons moving along loops within the unit cell. The spin dynamical structure factor reveals small pockets of gapped regions in energy and momentum existing below the topological transition and nondispersive high-intensity peaks which broaden when the TRS gets broken. These dynamical fingerprints closely track the nature of the spin-liquid ground state of Na4Ir3O 8. © 2013 American Physical Society. (literal)
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