Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures
- Autores
- Fosco, Cesar Daniel; Lombardo, Fernando Cesar; Mazzitelli, Francisco Diego
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We study the contribution of the thermal zero modes to the Casimir free energy, in the case of a fluctuating electromagnetic (EM) field in the presence of real materials described by frequency-dependent, local and isotropic permittivity (ϵϵ) and permeability (μμ) functions. Those zero modes, present at any finite temperature, become dominant at high temperatures, since the theory is dimensionally reduced. Our work, within the context of the Derivative Expansion (DE) approach, focusses on the emergence of non analyticities in that dimensionally reduced theory. We conclude that the DE is well defined whenever the function Ω(ω)Ω(ω), defined by [Ω(ω)]2≡ω2ϵ(ω)[Ω(ω)]2≡ω2ϵ(ω), vanishes in the zero-frequency limit, for at least one of the two material media involved.
Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
Fil: Lombardo, Fernando Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
Fil: Mazzitelli, Francisco Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina - Materia
-
Casimir
Effective
Temperature
Electromagnetic - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/44534
Ver los metadatos del registro completo
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Derivative Expansion for the Electromagnetic Casimir Free Energy at High TemperaturesFosco, Cesar DanielLombardo, Fernando CesarMazzitelli, Francisco DiegoCasimirEffectiveTemperatureElectromagnetichttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We study the contribution of the thermal zero modes to the Casimir free energy, in the case of a fluctuating electromagnetic (EM) field in the presence of real materials described by frequency-dependent, local and isotropic permittivity (ϵϵ) and permeability (μμ) functions. Those zero modes, present at any finite temperature, become dominant at high temperatures, since the theory is dimensionally reduced. Our work, within the context of the Derivative Expansion (DE) approach, focusses on the emergence of non analyticities in that dimensionally reduced theory. We conclude that the DE is well defined whenever the function Ω(ω)Ω(ω), defined by [Ω(ω)]2≡ω2ϵ(ω)[Ω(ω)]2≡ω2ϵ(ω), vanishes in the zero-frequency limit, for at least one of the two material media involved.Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; ArgentinaFil: Lombardo, Fernando Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; ArgentinaFil: Mazzitelli, Francisco Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; ArgentinaAmerican Physical Society2015-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44534Fosco, Cesar Daniel; Lombardo, Fernando Cesar; Mazzitelli, Francisco Diego; Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures; American Physical Society; Physical Review D; 92; 1250; 12-2015; 1-110556-28212470-0029CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prd/abstract/10.1103/PhysRevD.92.125007info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevD.92.125007info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:44:49Zoai:ri.conicet.gov.ar:11336/44534instacron: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:34982025-10-15 15:44:49.445CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| title |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| spellingShingle |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures Fosco, Cesar Daniel Casimir Effective Temperature Electromagnetic |
| title_short |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| title_full |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| title_fullStr |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| title_full_unstemmed |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| title_sort |
Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures |
| dc.creator.none.fl_str_mv |
Fosco, Cesar Daniel Lombardo, Fernando Cesar Mazzitelli, Francisco Diego |
| author |
Fosco, Cesar Daniel |
| author_facet |
Fosco, Cesar Daniel Lombardo, Fernando Cesar Mazzitelli, Francisco Diego |
| author_role |
author |
| author2 |
Lombardo, Fernando Cesar Mazzitelli, Francisco Diego |
| author2_role |
author author |
| dc.subject.none.fl_str_mv |
Casimir Effective Temperature Electromagnetic |
| topic |
Casimir Effective Temperature Electromagnetic |
| 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 study the contribution of the thermal zero modes to the Casimir free energy, in the case of a fluctuating electromagnetic (EM) field in the presence of real materials described by frequency-dependent, local and isotropic permittivity (ϵϵ) and permeability (μμ) functions. Those zero modes, present at any finite temperature, become dominant at high temperatures, since the theory is dimensionally reduced. Our work, within the context of the Derivative Expansion (DE) approach, focusses on the emergence of non analyticities in that dimensionally reduced theory. We conclude that the DE is well defined whenever the function Ω(ω)Ω(ω), defined by [Ω(ω)]2≡ω2ϵ(ω)[Ω(ω)]2≡ω2ϵ(ω), vanishes in the zero-frequency limit, for at least one of the two material media involved. Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina Fil: Lombardo, Fernando Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina Fil: Mazzitelli, Francisco Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina |
| description |
We study the contribution of the thermal zero modes to the Casimir free energy, in the case of a fluctuating electromagnetic (EM) field in the presence of real materials described by frequency-dependent, local and isotropic permittivity (ϵϵ) and permeability (μμ) functions. Those zero modes, present at any finite temperature, become dominant at high temperatures, since the theory is dimensionally reduced. Our work, within the context of the Derivative Expansion (DE) approach, focusses on the emergence of non analyticities in that dimensionally reduced theory. We conclude that the DE is well defined whenever the function Ω(ω)Ω(ω), defined by [Ω(ω)]2≡ω2ϵ(ω)[Ω(ω)]2≡ω2ϵ(ω), vanishes in the zero-frequency limit, for at least one of the two material media involved. |
| publishDate |
2015 |
| dc.date.none.fl_str_mv |
2015-12 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
| status_str |
publishedVersion |
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http://hdl.handle.net/11336/44534 Fosco, Cesar Daniel; Lombardo, Fernando Cesar; Mazzitelli, Francisco Diego; Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures; American Physical Society; Physical Review D; 92; 1250; 12-2015; 1-11 0556-2821 2470-0029 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/44534 |
| identifier_str_mv |
Fosco, Cesar Daniel; Lombardo, Fernando Cesar; Mazzitelli, Francisco Diego; Derivative Expansion for the Electromagnetic Casimir Free Energy at High Temperatures; American Physical Society; Physical Review D; 92; 1250; 12-2015; 1-11 0556-2821 2470-0029 CONICET Digital CONICET |
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eng |
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eng |
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