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Is spin torsion interaction in the Einstein-Cartan theory? |
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| Feb8-06, 06:00 AM | #1 |
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Is spin torsion interaction in the Einstein-Cartan theory?
According to the Einstein-Cartan theory, there is torsion in addition
to curvature in the metric. There is an interaction between spin and torsion. This effect is supposedly too weak to be verified experimentally. However, as we know, spin symmetry is spontaneously broken in ferromagnetism, and all spin is pointed to the same direction. My question is: Can spin torsion interaction experimentally detectable in a strongly ferromagnetic system? Max |
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