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1. Identity statement
Reference TypeConference Abstract (Conference Proceedings)
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34P/3JKT5SE
Repositorysid.inpe.br/mtc-m21b/2015/06.08.12.47
Last Update2015:09.25.18.25.57 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21b/2015/06.08.12.47.49
Metadata Last Update2018:06.04.02.55.26 (UTC) administrator
Secondary KeyINPE--PRE/
Citation KeyGranato:2015:SuTrJo
TitleSuperconductor-insulator transition in Josephson-junction arrays on a honeycomb lattice and ultra-thin superconducting films with a periodic lattice of nanoholes
Year2015
Access Date2024, May 01
Secondary TypePRE CN
Number of Files1
Size86 KiB
2. Context
AuthorGranato, Enzo
Resume Identifier8JMKD3MGP5W/3C9JH2J
GroupLAS-CTE-INPE-MCTI-GOV-BR
AffiliationInstituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Addressenzo@las.inpe.br
Conference NameEncontro Nacional de Física da Matéria Condensada, 38
Conference LocationFoz do Iguaçu, PR
Date24-28 maio
Book TitleResumos
History (UTC)2015-06-08 12:47:49 :: simone -> administrator ::
2018-06-04 02:55:26 :: administrator -> simone :: 2015
3. Content and structure
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Content TypeExternal Contribution
AbstractThe zero-temperature superconductor to insulator transition is studied in a self-charging model of Josephson-junction arrays in an external magnetic Øeld corresponding to f flux quantum per plaquette. The model can be physically realized as two-dimensional arrays of weakly coupled superconducting grains and ultra-thin superconducting films with a triangular pattern of nanoholes [1,2]. When charging effects due to the small capacitance of the grains or junctions dominate, strong quantum fluctuations of the phase of the superconducting order parameter drive the system into an insulating phase at zero temperature leading to a superconductor to insulator transition as a function of charging energy. In presence of an external magnetic field, frustration effects lead to distinct universality classes which depend on the geometry of the array. For a Josephson-junction array on square lattice, the universality class of these transitions have already been investigated in detail numerically [3]. However, for a Josephson-junction array on a honeycomb lattice there are very few results. Path integral Monte Carlo simulations of the equivalent (2+1)-dimensional classical model are used to study the phase transition and critical behavior. For f = 0 and f = 1 = 2, the transition is second order and the corresponding correlation length critical exponents are estimated from finite-size scaling.
AreaFISMAT
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAS > Superconductor-insulator transition in...
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/8JMKD3MGP3W34P/3JKT5SE
zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W34P/3JKT5SE
Languageen
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Read Permissionallow from all
Update Permissionnot transferred
5. Allied materials
Mirror Repositoryurlib.net/www/2011/03.29.20.55
Next Higher Units8JMKD3MGPCW/3ESR3H2
Citing Item List
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notes
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