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We present a study of the Berezinskii-Kosterlitz-Thouless (BKT) transition in mildly disordered NbN nanoporous (NP) films. The measured superfluid stiffness, Js, is found to be much lower than that predicted by considering the reduction in the geomet
Externí odkaz:
http://arxiv.org/abs/2410.22704
Publikováno v:
Phys. Rev. B 96, 060508 (2017)
The Berezinskii-Kosterlitz-Thouless (BKT) transition in two-dimensional superconductors is usually expected to be protected against disorder. However, its typical signatures in real system, like e.g. the superfluid-density jump, are often at odd with
Externí odkaz:
http://arxiv.org/abs/1702.05930
Publikováno v:
Eur. Phys. J. B (2016) 89: 127
We present our analysis of a system of interacting islands of XY spins on a triangular lattice that has been introduced a few years ago by Eley et al. to account for the phenomenology in experiments on tunable arrays of proximity coupled long superco
Externí odkaz:
http://arxiv.org/abs/1509.04593
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Autor:
Weitzel A; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Pfaffinger L; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Maccari I; Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden., Kronfeldner K; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Huber T; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Fuchs L; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Mallord J; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Linzen S; Leibniz Institute of Photonic Technology, D-07745 Jena, Germany., Il'ichev E; Leibniz Institute of Photonic Technology, D-07745 Jena, Germany., Paradiso N; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany., Strunk C; Institute for Experimental and Applied Physics, University of Regensburg, D-93040 Regensburg, Germany.
Publikováno v:
Physical review letters [Phys Rev Lett] 2023 Nov 03; Vol. 131 (18), pp. 186002.
Autor:
Shipulin I; Institute for Metallic Materials, Leibniz-IFW Dresden, D-01069, Dresden, Germany.; Institute for Solid State and Materials Physics, Technische Universität Dresden, D-01069, Dresden, Germany., Stegani N; University of Genoa, Via Dodecaneso 33, 16146, Genoa, Italy.; Consiglio Nazionale delle Ricerche (CNR)-SPIN, Corso Perrone 24, 16152, Genova, Italy., Maccari I; Department of Physics, KTH Royal Institute of Technology, SE-106 91, Stockholm, Sweden.; Laboratory for Theoretical and Computational Physics, Paul Scherrer Institute, 5232, Villigen PSI, Switzerland., Kihou K; National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8568, Japan., Lee CH; National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8568, Japan., Hu Q; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China., Zheng Y; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China., Yang F; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China., Li Y; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China., Yim CM; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China.; School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China., Hühne R; Institute for Metallic Materials, Leibniz-IFW Dresden, D-01069, Dresden, Germany., Klauss HH; Institute for Solid State and Materials Physics, Technische Universität Dresden, D-01069, Dresden, Germany., Putti M; University of Genoa, Via Dodecaneso 33, 16146, Genoa, Italy.; Consiglio Nazionale delle Ricerche (CNR)-SPIN, Corso Perrone 24, 16152, Genova, Italy., Caglieris F; University of Genoa, Via Dodecaneso 33, 16146, Genoa, Italy. federico.caglieris@spin.cnr.it.; Consiglio Nazionale delle Ricerche (CNR)-SPIN, Corso Perrone 24, 16152, Genova, Italy. federico.caglieris@spin.cnr.it.; Institute for Solid State Research, Leibniz-IFW Dresden, D-01069, Dresden, Germany. federico.caglieris@spin.cnr.it., Babaev E; Department of Physics, KTH Royal Institute of Technology, SE-106 91, Stockholm, Sweden. babaev@kth.se., Grinenko V; Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 201210, China. vadim.grinenko@sjtu.edu.cn.; School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China. vadim.grinenko@sjtu.edu.cn.
Publikováno v:
Nature communications [Nat Commun] 2023 Oct 23; Vol. 14 (1), pp. 6734. Date of Electronic Publication: 2023 Oct 23.
Autor:
Roy I., Dutta S., Roy Choudhury A.N., Basistha S., MacCari I., Mandal S., Jesudasan J., Bagwe V., Castellani C., Benfatto L., Raychaudhuri P.
Publikováno v:
Physical review letters 122 (2019): 047001-1–047001-6. doi:10.1103/PhysRevLett.122.047001
info:cnr-pdr/source/autori:Roy I.; Dutta S.; Roy Choudhury A.N.; Basistha S.; MacCari I.; Mandal S.; Jesudasan J.; Bagwe V.; Castellani C.; Benfatto L.; Raychaudhuri P./titolo:Melting of the Vortex Lattice through Intermediate Hexatic Fluid in an a-MoGe Thin Film/doi:10.1103%2FPhysRevLett.122.047001/rivista:Physical review letters/anno:2019/pagina_da:047001-1/pagina_a:047001-6/intervallo_pagine:047001-1–047001-6/volume:122
info:cnr-pdr/source/autori:Roy I.; Dutta S.; Roy Choudhury A.N.; Basistha S.; MacCari I.; Mandal S.; Jesudasan J.; Bagwe V.; Castellani C.; Benfatto L.; Raychaudhuri P./titolo:Melting of the Vortex Lattice through Intermediate Hexatic Fluid in an a-MoGe Thin Film/doi:10.1103%2FPhysRevLett.122.047001/rivista:Physical review letters/anno:2019/pagina_da:047001-1/pagina_a:047001-6/intervallo_pagine:047001-1–047001-6/volume:122
The hexatic fluid refers to a phase in between a solid and a liquid that has short-range positional order but quasi-long-range orientational order. In the celebrated theory of Berezinskii, Kosterlitz, and Thouless and subsequently refined by Halperin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=cnr_________::716814ae87a9fcd24e87c0f4209fb4aa
http://www.scopus.com/inward/record.url?eid=2-s2.0-85061013627&partnerID=q2rCbXpz
http://www.scopus.com/inward/record.url?eid=2-s2.0-85061013627&partnerID=q2rCbXpz