Geodetic precession or dragging of inertial frames? | Zendy

Neil Ashby | Zendy; Bahman ShahidSaless | Zendy

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Geodetic precession or dragging of inertial frames?

Author(s) -

Neil Ashby,

Bahman ShahidSaless

Publication year - 1990

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.42.1118

Subject(s) - physics , precession , inertial frame of reference , classical mechanics , angular momentum , gravitoelectromagnetism , reference frame , rotating reference frame , geodetic datum , frame of reference , coordinate system , geodesy , frame (networking) , gravitation , geometry , mathematics , quantum mechanics , geology , computer science , telecommunications , classical field theory

In metric theories of gravity the principle of general covariance allows one to describe phenomena by means of any convenient choice of coordinate system. In this paper it is shown that in an appropriately chosen coordinate system, geodetic precession of a gyroscope orbiting a spherically symmetric, spinning mass can be recast as a Lense-Thirring frame-dragging effect without invoking spatial curvature. The origin of this reference frame moves around the source but the frame axes point in fixed directions. The drag can be interpreted to arise from the orbital angular momentum of the source around the origin of the reference frame. In this reference frame the effects of geodetic precession and Lense-Thirring drag due to intrinsic angular momentum of the source have the same origin, namely, gravitomagnetism.

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