Gravitoelectromagnetism
APA
Bertschinger, E. (2008). Gravitoelectromagnetism. Perimeter Institute. https://pirsa.org/08110041
MLA
Bertschinger, Edmund. Gravitoelectromagnetism. Perimeter Institute, Nov. 21, 2008, https://pirsa.org/08110041
BibTex
@misc{ pirsa_PIRSA:08110041, doi = {10.48660/08110041}, url = {https://pirsa.org/08110041}, author = {Bertschinger, Edmund}, keywords = {Cosmology}, language = {en}, title = {Gravitoelectromagnetism}, publisher = {Perimeter Institute}, year = {2008}, month = {nov}, note = {PIRSA:08110041 see, \url{https://pirsa.org}} }
Massachusetts Institute of Technology (MIT) - Department of Physics
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Abstract
Gravitomagnetism is a subtle concept. Adding Lorentz invariance to Newtonian gravity leads to magnetism, but Einsteinian gravitomagnetism differs from Maxwell\'s electromagnetism. The differences lead to confusion when Lense-Thirring precession is wrongly ascribed to gyroscopes, and when authors disagree about whether lunar laser ranging has measured gravitomagnetism. To clarify these issues, we analyze electric and magnetic effects in local Lorentz frames using the tetrad formalism.