Details
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 017 |
| Seiten (von - bis) | 4533-4538 |
| Seitenumfang | 6 |
| Fachzeitschrift | Classical and quantum gravity |
| Jahrgang | 24 |
| Ausgabenummer | 17 |
| Publikationsstatus | Veröffentlicht - 21 Aug. 2007 |
Abstract
Thirty seven years of lunar laser ranging (LLR) data provided a large number of results which contributed to a better understanding of the dynamics of the Earth-Moon system and to the highly accurate determination of relativistic quantities such as the equivalence principle. Spatial and temporal variations of Newton's coupling parameter, G, may occur intrinsically in alternative theories of gravity or because of lack of local Lorentz invariance in metric gravity. Here, we use LLR data to determine possible secular and quadratic temporal variations of the gravitational constant. Measurements of these parameters yield (realistic errors) and . The determination of the preferred-frame parameters quantifying a possible spatial anisotropy of G gave α1 ≤ (-4 9) × 10-5 and α2 ≤ (2 2) × 10 -5. This ensemble of parameters may be useful for constraining post-Newtonian theories of gravitation.
ASJC Scopus Sachgebiete
- Physik und Astronomie (insg.)
- Physik und Astronomie (sonstige)
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in: Classical and quantum gravity, Jahrgang 24, Nr. 17, 017, 21.08.2007, S. 4533-4538.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Variations of the gravitational constant from lunar laser ranging data
AU - Müller, Jürgen
AU - Biskupek, Liliane
PY - 2007/8/21
Y1 - 2007/8/21
N2 - Thirty seven years of lunar laser ranging (LLR) data provided a large number of results which contributed to a better understanding of the dynamics of the Earth-Moon system and to the highly accurate determination of relativistic quantities such as the equivalence principle. Spatial and temporal variations of Newton's coupling parameter, G, may occur intrinsically in alternative theories of gravity or because of lack of local Lorentz invariance in metric gravity. Here, we use LLR data to determine possible secular and quadratic temporal variations of the gravitational constant. Measurements of these parameters yield (realistic errors) and . The determination of the preferred-frame parameters quantifying a possible spatial anisotropy of G gave α1 ≤ (-4 9) × 10-5 and α2 ≤ (2 2) × 10 -5. This ensemble of parameters may be useful for constraining post-Newtonian theories of gravitation.
AB - Thirty seven years of lunar laser ranging (LLR) data provided a large number of results which contributed to a better understanding of the dynamics of the Earth-Moon system and to the highly accurate determination of relativistic quantities such as the equivalence principle. Spatial and temporal variations of Newton's coupling parameter, G, may occur intrinsically in alternative theories of gravity or because of lack of local Lorentz invariance in metric gravity. Here, we use LLR data to determine possible secular and quadratic temporal variations of the gravitational constant. Measurements of these parameters yield (realistic errors) and . The determination of the preferred-frame parameters quantifying a possible spatial anisotropy of G gave α1 ≤ (-4 9) × 10-5 and α2 ≤ (2 2) × 10 -5. This ensemble of parameters may be useful for constraining post-Newtonian theories of gravitation.
UR - http://www.scopus.com/inward/record.url?scp=34548132453&partnerID=8YFLogxK
U2 - 10.1088/0264-9381/24/17/017
DO - 10.1088/0264-9381/24/17/017
M3 - Article
AN - SCOPUS:34548132453
VL - 24
SP - 4533
EP - 4538
JO - Classical and quantum gravity
JF - Classical and quantum gravity
SN - 0264-9381
IS - 17
M1 - 017
ER -