2005
DOI: 10.1590/s1806-11172005000100016
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Gravitação semiclássica

Abstract: Fazemos aqui uma breve descrição da teoria semiclássica da gravitação que tem conseguido antecipar de forma bastante robusta alguns efeitos de gravitação quântica. Palavras-chave: relatividade geral, mecânica quântica, teoria de campos quânticos em espaços-tempos curvos, gravitação quântica, gravitação semiclássica, buracos negros, efeito Fulling-Davies-Unruh, radiação Hawking.We make a brief description of the semiclassical gravity theory, which has been able to anticipate some effects of quantum gravity. Key… Show more

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Cited by 3 publications
(4 citation statements)
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References 25 publications
(17 reference statements)
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“…(21), R refers to the spatial distance between x µ and x µ . Rewriting trigonometric functions in terms of complex exponents, this is integrating the exponentials +∞ 0 e ±i| k|(R∓ζ 0 ) d| k| = 0 −∞ e i| k|(ζ 0 ∓R) d| k| (22) and appropriately replacing Eq. ( 22) in the Eq.…”
Section: Solutions Of Field Equations By the Formalism Of Green Invariant Functionsmentioning
confidence: 99%
See 1 more Smart Citation
“…(21), R refers to the spatial distance between x µ and x µ . Rewriting trigonometric functions in terms of complex exponents, this is integrating the exponentials +∞ 0 e ±i| k|(R∓ζ 0 ) d| k| = 0 −∞ e i| k|(ζ 0 ∓R) d| k| (22) and appropriately replacing Eq. ( 22) in the Eq.…”
Section: Solutions Of Field Equations By the Formalism Of Green Invariant Functionsmentioning
confidence: 99%
“…Scalar fields and, consequently, scalar radiation are common ingredients of models in particle physics, cosmology and gravitation, in particular, semiclassical gravity [22]. The semiclassical gravity also known as Quantum Field Theory in Curved Spacetimes [23,24], is devoted to investigating the consequences of defining a quantum theory of fields for matter and their interactions on a classical curved space-time underlying [25].…”
Section: Introductionmentioning
confidence: 99%
“…Tem rotação sobre o seu eixo e uma estrutura espaço-temporal muito mais complicada do que o estático buraco negro de Karl Schwarzschild [7], considerado a primeira solução das equações de Einstein proposta por alguém que não o próprio Einstein. 3 Na Seção III, olharemos com mais atenção à geometria de Kerr e veremos quais sombras produz.…”
Section: Introductionunclassified
“…Para maiores desenvolvimentos pedagógicos sobre a Teoria da Relatividade Geral, vide por exemplo [26][27][28][29][30]. Maiores aprofundamentos podem ser encontrados em [31][32][33][34].…”
Section: Introductionunclassified