A network model for field and quenched disorder effects in artificial spin ice (Articolo in rivista)

Type
Label
  • A network model for field and quenched disorder effects in artificial spin ice (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1367-2630/14/4/045008 (literal)
Alternative label
  • Zoe Budrikis (1,2,3); Paolo Politi (2,4); R.L. Stamps (3) (2012)
    A network model for field and quenched disorder effects in artificial spin ice
    in New journal of physics; IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito); Deutsche Physikalische Gesellschaft, Berlin (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zoe Budrikis (1,2,3); Paolo Politi (2,4); R.L. Stamps (3) (literal)
Pagina inizio
  • 045008-1 (literal)
Pagina fine
  • 045008-17 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1367-2630/14/4/045008 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 17 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 School of Physics, The University of Western Australia, 35 Stirling Hwy, Crawley 6009, Australia 2 Istituto dei Sistemi Complessi CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy 3 SUPA School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, UK 4 INFN Sezione di Firenze, via G Sansone 1, 50019 Sesto Fiorentino, Italy (literal)
Titolo
  • A network model for field and quenched disorder effects in artificial spin ice (literal)
Abstract
  • We have carried out a systematic study of the effects of field strength and quenched disorder on the driven dynamics of square artificial spin ice. We construct a network representation of the configurational phase space, where nodes represent the microscopic configurations and a directed link between node i and node j means that the field may induce a transition between the corresponding configurations. In this way, we are able to quantitatively describe how the field and disorder affect the connectedness of states and the reversibility of dynamics. In particular, we have shown that for optimal field strengths, a substantial fraction of all states can be accessed using external driving fields, and this fraction is increased by disorder. We discuss how this relates to control and potential information storage applications for artificial spin ices. (literal)
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