About: Optical conductivity

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Optical conductivity is the property of a material which gives the relationship between the induced current density in the material and the magnitude of the inducing electric field for arbitrary frequencies. This linear response function is a generalization of the electrical conductivity, which is usually considered in the static limit, i.e., for time-independent or slowly varying electric fields.

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rdfs:label	Optische Leitfähigkeit (de) Optical conductivity (en)
rdfs:comment	Die optische Leitfähigkeit verallgemeinert die elektrische Leitfähigkeit (die oft nur als Gleichstromleitfähigkeit verstanden wird), um ihre Frequenzabhängigkeit zu beachten. Die elektrische Leitfähigkeit bei einer bestimmten Frequenz bestimmt die Durchlässigkeit von Materialien für elektromagnetische Wellen dieser Frequenz. Bekannte Modelle, welche die optische Leitfähigkeit beschreiben, sind die Drude-Theorie und Drude-Sommerfeld-Theorie für freie Ladungsträger in Metallen und das Modell des Lorentz-Oszillators für gebundene Ladungsträger. (de) Optical conductivity is the property of a material which gives the relationship between the induced current density in the material and the magnitude of the inducing electric field for arbitrary frequencies. This linear response function is a generalization of the electrical conductivity, which is usually considered in the static limit, i.e., for time-independent or slowly varying electric fields. (en)
dcterms:subject	Fiber-optic communications Scattering, absorption and radiative transfer (optics)
Wikipage page ID	29474315 (xsd:integer)
Wikipage revision ID	1101209311 (xsd:integer)
Link from a Wikipage to another Wikipage	Insulator (electricity) Fiber-optic communications Electric field Electrical conductivity Frequency Vacuum permittivity Reflectivity Kramers–Kronig relations Sum rule in quantum mechanics Microwave spectroscopy Linear response function Current (electricity) Scattering, absorption and radiative transfer (optics) Diamond Porcelain Imaginary unit Dielectric constant Electrical displacement SI Dielectric function
Link from a Wikipage to an external page	http://physics.unl.edu/~tsymbal/teaching/SSP-927/Section%2013_Optical_Properties_of_Solids.pdf
sameAs	Optical conductivity Optical conductivity Optical conductivity Optical conductivity
dbp:wikiPageUsesTemplate	dbt:More_citations_needed dbt:Multiple_issues dbt:Original_research dbt:Reflist dbt:Short_description dbt:Technology-stub
has abstract	Die optische Leitfähigkeit verallgemeinert die elektrische Leitfähigkeit (die oft nur als Gleichstromleitfähigkeit verstanden wird), um ihre Frequenzabhängigkeit zu beachten. Die elektrische Leitfähigkeit bei einer bestimmten Frequenz bestimmt die Durchlässigkeit von Materialien für elektromagnetische Wellen dieser Frequenz. Bekannte Modelle, welche die optische Leitfähigkeit beschreiben, sind die Drude-Theorie und Drude-Sommerfeld-Theorie für freie Ladungsträger in Metallen und das Modell des Lorentz-Oszillators für gebundene Ladungsträger. (de) Optical conductivity is the property of a material which gives the relationship between the induced current density in the material and the magnitude of the inducing electric field for arbitrary frequencies. This linear response function is a generalization of the electrical conductivity, which is usually considered in the static limit, i.e., for time-independent or slowly varying electric fields. While the static electrical conductivity is vanishingly small in insulators (such as diamond or porcelain), the optical conductivity always remains finite in some frequency intervals (above the optical gap in the case of insulators). The total optical weight can be inferred from sum rules. The optical conductivity is closely related to the dielectric function, the generalization of the dielectric constant to arbitrary frequencies. (en)
prov:wasDerivedFrom	wikipedia-en:Optical_conductivity?oldid=1101209311&ns=0
page length (characters) of wiki page	4517 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Optical_conductivity
is Link from a Wikipage to another Wikipage of	Index of physics articles (O) Optical Conductivity Fine-structure constant Graphene lens Lorentz oscillator model Polaron
is Wikipage redirect of	Optical Conductivity
is foaf:primaryTopic of	wikipedia-en:Optical_conductivity

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