Phys. Rev. Lett. 86, 5421–5424 (2001)Magnetic Tension and the Geometry of the Universe
See accompanying Physics Focus The vector nature of magnetic fields and the geometrical interpretation of gravity introduced by general relativity guarantee a special coupling between magnetism and spacetime curvature. This magnetogeometrical interaction effectively transfers the tension properties of the field into the spacetime fabric, triggering a variety of effects with profound implications. Given the ubiquity of magnetic fields in the universe, these effects could prove critical. We discuss the nature of the magnetic-field–curvature coupling and illustrate some of its potential implications for cosmology. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.5421
DOI:
10.1103/PhysRevLett.86.5421
PACS:
98.80.Hw, 04.40.Nr, 95.30.Qd, 98.62.En
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