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Deviations from general relativity, such as could be responsible for the cosmic acceleration, would influence the growth of large scale structure and the deflection of light by that structure. We clarify the relations between several…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Scott F. Daniel , Eric V. Linder , Tristan L. Smith , Robert R. Caldwell , Asantha Cooray , Alexie Leauthaud , Lucas Lombriser

Up to now attempts to measure the general relativistic Lense-Thirring effect in the gravitational field of Earth have been performed by analyzing a suitable J_2-J_4-free combination of the nodes Omega of LAGEOS and LAGEOS II and the perigee…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lorenzo Iorio

The impact of the latest combined CHAMP/GRACE/terrestrial measurements Earth gravity model EIGEN-CG03C on the measurement of the Lense-Thirring effect with some linear combinations of the nodes of some of the existing Earth's artificial…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Lorenzo Iorio

We deal with the test of the general relativistic gravitomagnetic Lense-Thirring effect currently ongoing in the Earth's gravitational field with the combined nodes \Omega of the laser-ranged geodetic satellites LAGEOS and LAGEOS II. One of…

General Relativity and Quantum Cosmology · Physics 2009-11-06 Lorenzo Iorio

Here we analyze in detail some aspects of the proposed use of Ajisai and Jason-1, together with the LAGEOS satellites, to measure the general relativistic Lense-Thirring effect in the gravitational field of the Earth. A linear combination…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lorenzo Iorio

This paper discusses new Fundamental physics experiment that will test relativistic gravity at the accuracy better than the effects of the second order in the gravitational field strength, ~G^2. The Laser Astrometric Test Of Relativity…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Slava G. Turyshev , Michael Shao , Kenneth Nordtvedt

The effects of Horava-Lifshitz corrections to the gravito-magnetic field are analyzed. Solutions in the weak field, slow motion limit, referring to the motion of a satellite around the Earth are considered. The post-newtonian paradigm is…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Ninfa Radicella , Gaetano Lambiase , Luca Parisi , Gaetano Vilasi

Satellite laser-ranging is successfully used in space geodesy, geodynamics and Earth sciences; and to test fundamental physics and specific features of General Relativity. We present a confirmation to approximately one part in a billion of…

General Relativity and Quantum Cosmology · Physics 2019-07-02 Ignazio Ciufolini , Richard Matzner , Antonio Paolozzi , Erricos C. Pavlis , Giampiero Sindoni , John Ries , Vahe Gurzadyan , Rolf Koenig

Here we explore the possibility of extending to the Solar System scenario the combined residual approach employed for the deterination of the Lense-Thirring effect in the Earth-LAGEOS satellites system. After calculating the secular…

General Relativity and Quantum Cosmology · Physics 2013-11-04 Lorenzo Iorio

Frame dragging, one of the outstanding phenomena predicted by General Relativity, is efficiently studied by means of the laser-ranged satellites LARES, LAGEOS and LAGEOS 2. The accurate analysis of the orbital perturbations of Earth's solid…

Earth and Planetary Astrophysics · Physics 2018-02-02 V. G. Gurzadyan , I. Ciufolini , H. G. Khachatryan , S. Mirzoyan , A. Paolozzi , G. Sindoni

According to general relativity, a spinning body of mass M and angular momentum S, like a star or a planet, generates a gravitomagnetic field which induces, among other phenomena, also the Lense-Thirring effect, i.e. secular precessions of…

General Relativity and Quantum Cosmology · Physics 2009-11-30 Lorenzo Iorio

In this note, we reply to the preceding paper by Iorio: "Some considerations on the present-day results for the detection of frame-dragging after the final outcome of GP-B, Europhysics Letters", we address criticisms regarding the…

General Relativity and Quantum Cosmology · Physics 2013-05-15 J. C. Ries , I. Ciufolini , E. C. Pavlis , A. Paolozzi , R. Koenig , R. A. Matzner , G. Sindoniand H. Neumayer

(ABRIDGED) The Gamma-ray Large Area Space Telescope (GLAST) will measure the spectra of distant extragalactic sources of high energy gamma-rays. GLAST can look for energy dependent propagation effects from such sources as a signal of…

Astrophysics · Physics 2008-11-26 F. W. Stecker

It has been claimed that the standard model of cosmology (LCDM) cannot easily account for a number of observations on relatively small scales, motivating extensions to the standard model. Here we introduce a new suite of cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2020-08-12 Sam G. Stafford , Shaun T. Brown , Ian G. McCarthy , Andreea S. Font , Andrew Robertson , Robert Poole-Mckenzie

We discuss the impact of the present-day uncertainties in the recently released CHAMP and/or GRACE Earth gravity models on the measurement of the Lense-Thirring effect with the nodes of the LAGEOS satellites. Also the role of the secular…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lorenzo Iorio

Chern-Simons models for gravity are interesting because they provide with a truly gauge-invariant action principle in the fiber-bundle sense. So far, their main drawback has largely been the perceived remoteness from standard General…

High Energy Physics - Theory · Physics 2014-11-18 Fernando Izaurieta , Paul Minning , Alfredo Pérez , Eduardo Rodríguez , Patricio Salgado

The incidence of sub-galactic level substructures is an important quantity, as it is a generic prediction of high-resolution Cold Dark Matter (CDM) models which is susceptible to observational test. Confrontation of theory with observations…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 N. Jackson , S. E. Bryan , S. Mao , C. Li

The precession of the orbital node of a particle orbiting a rotating mass is known as Lense-Thirring effect (LTE) and is a manifestation of the general relativistic phenomenon of dragging of inertial frames or frame-dragging. The LTE has…

General Relativity and Quantum Cosmology · Physics 2013-11-18 Beatriz Moreno Monge , Rolf Koenig , Grzegorz Michalak , Ignazio Ciufolini , Antonio Paolozzi , Giampiero Sindoni

Strong theoretical arguments suggest that a breakdown of Lorentz Invariance could arise under some very particular conditions. From an experimental point of view, it is important to test the Local Lorentz Invariance with ever greater…

With quantitative numerical simulations we show that the secular variations of the even zonal harmonics of the geopotential do affect the measurement of the Lense-Thirring effect with the nodes of LAGEOS and LAGEOS II at a \sim 14% level.…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lorenzo Iorio