Abstract
IT is known1 that there must be a small difference between the elastic constants of a superconductor in the superconducting and the normal states. The difference expected is of the order of 1 part in 105, but no actual measurement has so far been reported. We have now used a statical method to measure the change in the modulus of rigidity of a chemically pure polycrystalline tin wire when superconductivity is destroyed by a longitudinal magnetic field.
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References
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Lasarew, B. G., and Sudovstov, A I., Doklady Akad. Nauk. S.S.S.R., 69, 345 (1949).
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OLSEN, J. Change of Elastic Constants in a Superconductor. Nature 175, 37 (1955). https://doi.org/10.1038/175037a0
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DOI: https://doi.org/10.1038/175037a0
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