scholarly journals Graviton propagator in a 2-parameter family of de Sitter breaking gauges

2019 ◽  
Vol 2019 (10) ◽  
Author(s):  
D. Glavan ◽  
S.P. Miao ◽  
T. Prokopec ◽  
R.P. Woodard
Keyword(s):  
Parameter Family ◽  
De Sitter ◽  
Graviton Propagator

scholarly journals An evaluation of the graviton propagator in de sitter space

1987 ◽  
Vol 292 ◽  
pp. 813-852 ◽  
Author(s):  
Bruce Allen ◽  
Michael Turyn
Keyword(s):  
De Sitter Space ◽  
De Sitter ◽  
Graviton Propagator

scholarly journals The graviton propagator in de Donder gauge on de Sitter background

2011 ◽  
Vol 52 (12) ◽  
pp. 122301 ◽  
Author(s):  
S. P. Miao ◽  
N. C. Tsamis ◽  
R. P. Woodard
Keyword(s):  
De Sitter ◽  
Graviton Propagator ◽  
Sitter Background

scholarly journals The covariant graviton propagator in de Sitter spacetime

2001 ◽  
Vol 18 (20) ◽  
pp. 4317-4327 ◽  
Author(s):  
Atsushi Higuchi ◽  
Spyros S Kouris
Keyword(s):  
De Sitter Spacetime ◽  
De Sitter ◽  
Sitter Spacetime ◽  
Graviton Propagator

scholarly journals Graviton propagator in de Sitter space

1986 ◽  
Vol 34 (12) ◽  
pp. 3670-3675 ◽  
Author(s):  
B. Allen
Keyword(s):  
De Sitter Space ◽  
De Sitter ◽  
Graviton Propagator

scholarly journals Graviton propagator in a general invariant gauge on de Sitter

2012 ◽  
Vol 53 (12) ◽  
pp. 122502 ◽  
Author(s):  
P. J. Mora ◽  
N. C. Tsamis ◽  
R. P. Woodard
Keyword(s):  
De Sitter ◽  
Graviton Propagator ◽  
Invariant Gauge

Conformal geodesics in general relativity

1987 ◽  
Vol 414 (1846) ◽  
pp. 171-195 ◽  
Keyword(s):  
Physical Space ◽  
Space Time ◽  
Parameter Family ◽  
Null Cone ◽  
De Sitter ◽  
Null Infinity ◽  
Physical Description ◽  
Past Time ◽  
First Case ◽  
Metric Structures

Conformal geodesics, space-time curves which are related to conformal structures in a similar way as geodesics are related to metric structures, are discussed. ‘Conformal normal coordinates’, ‘conformal Gauss systems’ and their associated ‘normal connections’, ‘normal frames’ and ‘normal metrics’ are introduced and used to study: (i) asymptotically simple solutions of Ric( ͠g ) Λ͠g near conformal infinity, (ii) asymptotically simple solutions of Ric( ͠g ) = 0 with a past null infinity, which can be represented as the future null cone of a point i - , past time-like infinity. In the first case we define an ∞-parameter family of (physical) Gauss systems near conformal infinity, in the second case a ten-parameter family of (physical) Gauss systems covering a neighbourhood of i - . The behaviour of physical geodesics can be analysed in a particularly simple way in these coordinate systems. Each of these systems allows an extremely simple transition from the conformal analysis to the physical description of space-time. For Λη 00 < 0 (De-Sitter type solutions) all solutions are characterized in terms of the physical space-time by their data on past time-like infinity. For Λ = 0 the conserved quantities of Newman and Penrose are characterized as the first non-trivial coefficient, given by the value of the rescaled Weyl tensor at i - , in an expansion of the physical field in a Gauss system of the type considered before.

scholarly journals The coincidence limit of the graviton propagator in de Donder gauge on de Sitter background

2012 ◽  
Vol 53 (2) ◽  
pp. 022304 ◽  
Author(s):  
E. O. Kahya ◽  
S. P. Miao ◽  
R. P. Woodard
Keyword(s):  
De Sitter ◽  
Graviton Propagator ◽  
Sitter Background
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