scholarly journals Impact of transforming to conformal Fermi coordinates on quasisingle field non-Gaussianity

2020 ◽  
Vol 102 (2) ◽  
Author(s):  
Adriano Testa ◽  
Mark B. Wise
Keyword(s):  
Fermi Coordinates

scholarly journals Fermi coordinates for weak gravitational fields

1994 ◽  
Vol 50 (2) ◽  
pp. 888-891 ◽  
Author(s):  
Karl-Peter Marzlin
Keyword(s):  
Gravitational Fields ◽  
Fermi Coordinates

scholarly journals Fermi coordinates and Penrose limits

2006 ◽  
Vol 23 (11) ◽  
pp. 3993-4010 ◽  
Author(s):  
Matthias Blau ◽  
Denis Frank ◽  
Sebastian Weiss
Keyword(s):  
Fermi Coordinates

scholarly journals On the orbital motion description with a proper reference frame in a complete Schwarzschild field

1996 ◽  
Vol 172 ◽  
pp. 325-326
Author(s):  
J.M. Gambi ◽  
P. Zamorano ◽  
P. Romero ◽  
M.L. Garcia Del Pino
Keyword(s):  
Reference Frame ◽  
Orbital Motion ◽  
Coordinate Systems ◽  
Fermi Coordinates

It is a fact that, none of the diverse coordinate systems unified in the Post-Newtonian formalism used to describe the exterior Schwarzschild field can be regarded as being materialized by a reference frame. Only the polar Gaussian coordinates (ρ, ϑ, ϕ, t), or their naturally associated Fermi coordinates, can be shown to have this property (Synge, 1960).

scholarly journals Relativistic Reference Frames of Local Observer and Space Radiointerferometer

1990 ◽  
Vol 141 ◽  
pp. 115-117
Author(s):  
A.N. Alexandrov ◽  
S.L. Parnovsky ◽  
V.I. Zhdanov
Keyword(s):  
Light Source ◽  
Reference Frames ◽  
Natural Generalization ◽  
Space Time ◽  
Coordinate Representation ◽  
Fermi Coordinates ◽  
Local Observer

In a considerable number of works on relativistic astrometry (see, e.g. Kovalevsky and Brumberg 1986) the reference frames (RFs) are introduced either by means of coordinate representation of a space-time metric, such as using harmonicity conditions (Brumberg and Kopejkin 1989), or on the basis of invariant constructions like Fermi coordinates (Synge 1960; Ashby and Bertotti 1986; Boucher 1986). Both approaches must, probably, be combined in applications. We consider the local observer RFs (LORFs) based on the Fermi coordinates and on the optical ones (Synge 1960), which are rigorously defined for a general metric and are directly related to observable quantities. In particular, the optical RF operates with the observed direction of the light source, whereas the Fermi RF seems to be a natural generalization of the classical Cartesian RF.

scholarly journals Kerr metric, static observers and Fermi coordinates

2005 ◽  
Vol 22 (22) ◽  
pp. 4729-4742 ◽  
Author(s):  
Donato Bini ◽  
Andrea Geralico ◽  
Robert T Jantzen
Keyword(s):  
Kerr Metric ◽  
Fermi Coordinates ◽  
Static Observers

scholarly journals C metric: the equatorial plane and Fermi coordinates

2005 ◽  
Vol 22 (23) ◽  
pp. 5157-5168 ◽  
Author(s):  
Donato Bini ◽  
Christian Cherubini ◽  
Simonetta Filippi ◽  
Andrea Geralico
Keyword(s):  
Equatorial Plane ◽  
Fermi Coordinates

scholarly journals Observation angles, Fermi coordinates, and the Geodesic-Light-Cone gauge

2019 ◽  
Vol 2019 (01) ◽  
pp. 004-004 ◽  
Author(s):  
G. Fanizza ◽  
M. Gasperini ◽  
G. Marozzi ◽  
G. Veneziano
Keyword(s):  
Light Cone ◽  
Light Cone Gauge ◽  
Fermi Coordinates
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