Electromagnetic Signatures of Possible Charge Anomalies in Tunneling

Autores
Minotti, Fernando Oscar; Modanese, Giovanni
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We reconsider some well-known tunneling processes from the point of view of Aharonov-Bohm electrodynamics, a unique extension of Maxwell’s theory which admits charge-current sources that are not locally conserved. In particular we are interested into tunneling phenomena having relatively long range (otherwise the non-Maxwellian effects become irrelevant, especially at high frequency) and involving macroscopic wavefunctions and coherent matter, for which it makes sense to evaluate the classical e.m. field generated by the tunneling particles. For some condensed-matter systems, admitting discontinuities in the probability current is a possible way of formulating phenomenological models. In such cases, the Aharonov-Bohm theory offers a logically consistent approach and allows to derive observable consequences. Typical e.m. signatures of the failure of local conservation are at high frequency the generation of a longitudinal electric radiation field, and at low frequency a small effect of “missing” magnetic field. Possible causes of this failure are instant tunneling and phase slips in superconductors. For macroscopic quantum systems in which the phase-number uncertainty relation (Formula presented.) applies, the expectation value of the anomalous source (Formula presented.) has quantum fluctuations, thus becoming a random source of weak non-Maxwellian fields.
Fil: Minotti, Fernando Oscar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina
Fil: Modanese, Giovanni. Free University of Bozen-Bolzan; Italia
Materia
EXTENDED AHARONOV–BOHM ELECTRODYNAMICS
GINZBURG-LANDAU WAVE EQUATION
LOCAL CONSERVATION LAWS
RESONANT TUNNELLING
TUNNEL JOSEPHSON JUNCTIONS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/213604
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/213604
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Electromagnetic Signatures of Possible Charge Anomalies in TunnelingMinotti, Fernando OscarModanese, GiovanniEXTENDED AHARONOV–BOHM ELECTRODYNAMICSGINZBURG-LANDAU WAVE EQUATIONLOCAL CONSERVATION LAWSRESONANT TUNNELLINGTUNNEL JOSEPHSON JUNCTIONShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We reconsider some well-known tunneling processes from the point of view of Aharonov-Bohm electrodynamics, a unique extension of Maxwell’s theory which admits charge-current sources that are not locally conserved. In particular we are interested into tunneling phenomena having relatively long range (otherwise the non-Maxwellian effects become irrelevant, especially at high frequency) and involving macroscopic wavefunctions and coherent matter, for which it makes sense to evaluate the classical e.m. field generated by the tunneling particles. For some condensed-matter systems, admitting discontinuities in the probability current is a possible way of formulating phenomenological models. In such cases, the Aharonov-Bohm theory offers a logically consistent approach and allows to derive observable consequences. Typical e.m. signatures of the failure of local conservation are at high frequency the generation of a longitudinal electric radiation field, and at low frequency a small effect of “missing” magnetic field. Possible causes of this failure are instant tunneling and phase slips in superconductors. For macroscopic quantum systems in which the phase-number uncertainty relation (Formula presented.) applies, the expectation value of the anomalous source (Formula presented.) has quantum fluctuations, thus becoming a random source of weak non-Maxwellian fields.Fil: Minotti, Fernando Oscar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; ArgentinaFil: Modanese, Giovanni. Free University of Bozen-Bolzan; ItaliaMDPI2022-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/213604Minotti, Fernando Oscar; Modanese, Giovanni; Electromagnetic Signatures of Possible Charge Anomalies in Tunneling; MDPI; Quantum Reports; 4; 3; 8-2022; 277-2952624-960XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2624-960X/4/3/20info:eu-repo/semantics/altIdentifier/doi/10.3390/quantum4030020info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:02:27Zoai:ri.conicet.gov.ar:11336/213604instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:02:27.884CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
title Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
spellingShingle Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
Minotti, Fernando Oscar
EXTENDED AHARONOV–BOHM ELECTRODYNAMICS
GINZBURG-LANDAU WAVE EQUATION
LOCAL CONSERVATION LAWS
RESONANT TUNNELLING
TUNNEL JOSEPHSON JUNCTIONS
title_short Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
title_full Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
title_fullStr Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
title_full_unstemmed Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
title_sort Electromagnetic Signatures of Possible Charge Anomalies in Tunneling
dc.creator.none.fl_str_mv Minotti, Fernando Oscar
Modanese, Giovanni
author Minotti, Fernando Oscar
author_facet Minotti, Fernando Oscar
Modanese, Giovanni
author_role author
author2 Modanese, Giovanni
author2_role author
dc.subject.none.fl_str_mv EXTENDED AHARONOV–BOHM ELECTRODYNAMICS
GINZBURG-LANDAU WAVE EQUATION
LOCAL CONSERVATION LAWS
RESONANT TUNNELLING
TUNNEL JOSEPHSON JUNCTIONS
topic EXTENDED AHARONOV–BOHM ELECTRODYNAMICS
GINZBURG-LANDAU WAVE EQUATION
LOCAL CONSERVATION LAWS
RESONANT TUNNELLING
TUNNEL JOSEPHSON JUNCTIONS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We reconsider some well-known tunneling processes from the point of view of Aharonov-Bohm electrodynamics, a unique extension of Maxwell’s theory which admits charge-current sources that are not locally conserved. In particular we are interested into tunneling phenomena having relatively long range (otherwise the non-Maxwellian effects become irrelevant, especially at high frequency) and involving macroscopic wavefunctions and coherent matter, for which it makes sense to evaluate the classical e.m. field generated by the tunneling particles. For some condensed-matter systems, admitting discontinuities in the probability current is a possible way of formulating phenomenological models. In such cases, the Aharonov-Bohm theory offers a logically consistent approach and allows to derive observable consequences. Typical e.m. signatures of the failure of local conservation are at high frequency the generation of a longitudinal electric radiation field, and at low frequency a small effect of “missing” magnetic field. Possible causes of this failure are instant tunneling and phase slips in superconductors. For macroscopic quantum systems in which the phase-number uncertainty relation (Formula presented.) applies, the expectation value of the anomalous source (Formula presented.) has quantum fluctuations, thus becoming a random source of weak non-Maxwellian fields.
Fil: Minotti, Fernando Oscar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina
Fil: Modanese, Giovanni. Free University of Bozen-Bolzan; Italia
description We reconsider some well-known tunneling processes from the point of view of Aharonov-Bohm electrodynamics, a unique extension of Maxwell’s theory which admits charge-current sources that are not locally conserved. In particular we are interested into tunneling phenomena having relatively long range (otherwise the non-Maxwellian effects become irrelevant, especially at high frequency) and involving macroscopic wavefunctions and coherent matter, for which it makes sense to evaluate the classical e.m. field generated by the tunneling particles. For some condensed-matter systems, admitting discontinuities in the probability current is a possible way of formulating phenomenological models. In such cases, the Aharonov-Bohm theory offers a logically consistent approach and allows to derive observable consequences. Typical e.m. signatures of the failure of local conservation are at high frequency the generation of a longitudinal electric radiation field, and at low frequency a small effect of “missing” magnetic field. Possible causes of this failure are instant tunneling and phase slips in superconductors. For macroscopic quantum systems in which the phase-number uncertainty relation (Formula presented.) applies, the expectation value of the anomalous source (Formula presented.) has quantum fluctuations, thus becoming a random source of weak non-Maxwellian fields.
publishDate 2022
dc.date.none.fl_str_mv 2022-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/213604
Minotti, Fernando Oscar; Modanese, Giovanni; Electromagnetic Signatures of Possible Charge Anomalies in Tunneling; MDPI; Quantum Reports; 4; 3; 8-2022; 277-295
2624-960X
CONICET Digital
CONICET
url http://hdl.handle.net/11336/213604
identifier_str_mv Minotti, Fernando Oscar; Modanese, Giovanni; Electromagnetic Signatures of Possible Charge Anomalies in Tunneling; MDPI; Quantum Reports; 4; 3; 8-2022; 277-295
2624-960X
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2624-960X/4/3/20
info:eu-repo/semantics/altIdentifier/doi/10.3390/quantum4030020
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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