{"id":{"repo_id":"brazil-ufpe","oai_identifier":"oai:repositorio.ufpe.br:123456789/29958"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-ufpe/oai:repositorio.ufpe.br:123456789/29958","repository":{"repo_id":"brazil-ufpe","name":"Brazil UFPE","base_url":"https://repositorio.ufpe.br/oai/request"},"display":{"title":"Nonequilibrium interband phase textures induced by vortex splitting in two-band superconductors","abstract":"We demonstrate that in a weak-coupled two-band superconducting slab the interaction between vortices penetrating the sample and its boundaries leads to the phenomenon of vortex splitting, which divides composite vortices and creates fractional ones. The interaction between vortices, attractive for different bands and repulsive for the same band, which is controlled by the electric current density flowing through the system, leads to an ordered alternating arrangement of the vortices. This arrangement creates non-equilibrium interband phase textures or domains with different signs of the Josephson energy of the interaction between the band condensates. Such phase textures have a significant effect on the dissipation caused by the vortex motion. In particular, in the phase-texture regime the onset of the dissipation is shifted to higher current densities. It is also demonstrated that increasing the sample size hinders the emergence of separate vortices, and that the introduction of linear pinning barriers facilitates the decoupling of the vortex network.","abstract_html":"We demonstrate that in a weak-coupled two-band superconducting slab the interaction between vortices penetrating the sample and its boundaries leads to the phenomenon of vortex splitting, which divides composite vortices and creates fractional ones. The interaction between vortices, attractive for different bands and repulsive for the same band, which is controlled by the electric current density flowing through the system, leads to an ordered alternating arrangement of the vortices. This arrangement creates non-equilibrium interband phase textures or domains with different signs of the Josephson energy of the interaction between the band condensates. Such phase textures have a significant effect on the dissipation caused by the vortex motion. In particular, in the phase-texture regime the onset of the dissipation is shifted to higher current densities. It is also demonstrated that increasing the sample size hinders the emergence of separate vortices, and that the introduction of linear pinning barriers facilitates the decoupling of the vortex network.","abstract_has_math":false,"creators":["MOSQUERA POLO, Ariday Samit"],"institution":"Universidade Federal de Pernambuco","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["AGUIAR, Jose Albino Oliveira de"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-10-20","date_published":"2017-10-20","updated_at":"2026-07-24T01:18:32Z","subjects":["Física da matéria condensada","Supercondutividade","Dinâmica de vórtices"],"languages":["eng"],"rights":["openAccess","Attribution-NonCommercial-NoDerivs 3.0 Brazil"],"rights_urls":["http://creativecommons.org/licenses/by-nc-nd/3.0/br/"],"identifier_entries":[]},"links":{"outbound_url":"https://repositorio.ufpe.br/handle/123456789/29958","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["AGUIAR, Jose Albino Oliveira de"]},{"key":"dc:creator","label":"Author","values":["MOSQUERA POLO, Ariday Samit"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-04-01T21:59:52Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2019-04-01T21:59:52Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-10-20"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal de Pernambuco"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Física da matéria condensada","Supercondutividade","Dinâmica de vórtices"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["openAccess","Attribution-NonCommercial-NoDerivs 3.0 Brazil"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://creativecommons.org/licenses/by-nc-nd/3.0/br/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://repositorio.ufpe.br/handle/123456789/29958"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["We demonstrate that in a weak-coupled two-band superconducting slab the interaction between vortices penetrating the sample and its boundaries leads to the phenomenon of vortex splitting, which divides composite vortices and creates fractional ones. The interaction between vortices, attractive for different bands and repulsive for the same band, which is controlled by the electric current density flowing through the system, leads to an ordered alternating arrangement of the vortices. This arrangement creates non-equilibrium interband phase textures or domains with different signs of the Josephson energy of the interaction between the band condensates. Such phase textures have a significant effect on the dissipation caused by the vortex motion. In particular, in the phase-texture regime the onset of the dissipation is shifted to higher current densities. It is also demonstrated that increasing the sample size hinders the emergence of separate vortices, and that the introduction of linear pinning barriers facilitates the decoupling of the vortex network."]},{"key":"dc:title","label":"Title","values":["Nonequilibrium interband phase textures induced by vortex splitting in two-band superconductors"]}]}],"canonical_facts":{"dc:contributor.advisor":["AGUIAR, Jose Albino Oliveira de"],"dc:creator":["MOSQUERA POLO, Ariday Samit"],"dc:date.accessioned":["2019-04-01T21:59:52Z"],"dc:date.available":["2019-04-01T21:59:52Z"],"dc:date.issued":["2017-10-20"],"dc:description.abstract":["We demonstrate that in a weak-coupled two-band superconducting slab the interaction between vortices penetrating the sample and its boundaries leads to the phenomenon of vortex splitting, which divides composite vortices and creates fractional ones. The interaction between vortices, attractive for different bands and repulsive for the same band, which is controlled by the electric current density flowing through the system, leads to an ordered alternating arrangement of the vortices. This arrangement creates non-equilibrium interband phase textures or domains with different signs of the Josephson energy of the interaction between the band condensates. Such phase textures have a significant effect on the dissipation caused by the vortex motion. In particular, in the phase-texture regime the onset of the dissipation is shifted to higher current densities. It is also demonstrated that increasing the sample size hinders the emergence of separate vortices, and that the introduction of linear pinning barriers facilitates the decoupling of the vortex network."],"dc:identifier.uri":["https://repositorio.ufpe.br/handle/123456789/29958"],"dc:language.iso":["eng"],"dc:publisher":["Universidade Federal de Pernambuco"],"dc:rights":["openAccess","Attribution-NonCommercial-NoDerivs 3.0 Brazil"],"dc:rights.uri":["http://creativecommons.org/licenses/by-nc-nd/3.0/br/"],"dc:subject":["Física da matéria condensada","Supercondutividade","Dinâmica de vórtices"],"dc:title":["Nonequilibrium interband phase textures induced by vortex splitting in two-band superconductors"],"dc:type":["doctoralThesis"]},"updated_at":"2026-07-24T01:18:32Z"}