Observer-dependent optical properties of stationary axisymmetric spacetimes (Articolo in rivista)

Type
Label
  • Observer-dependent optical properties of stationary axisymmetric spacetimes (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1142/S0219887814500248 (literal)
Alternative label
  • Bini, Donato; de Felice, Fernando; Geralico, Andrea (2014)
    Observer-dependent optical properties of stationary axisymmetric spacetimes
    in International journal of geometric methods in modern physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bini, Donato; de Felice, Fernando; Geralico, Andrea (literal)
Pagina inizio
  • 1450024 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 11 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 15 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); Sapienza University Rome; Istituto Nazionale di Fisica Nucleare; University of Padua; Sapienza University Rome (literal)
Titolo
  • Observer-dependent optical properties of stationary axisymmetric spacetimes (literal)
Abstract
  • The world lines of null particles admit arbitrary parametrizations. In the presence of a family of observers one may introduce along a null world line an extension of the so-called Cattaneo's relative standard time parameter (valid for massive particles) which plays a special role. Another possibility is to use the coordinate time itself as a parameter. The relation between relative standard time and coordinate time allows for the introduction of an observer-dependent optical path and associated refraction index. Both these quantities are studied here working out explicit examples concerning familiar null orbits and observers in black hole spacetimes. (literal)
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