Solid 4He : search for superfluidityReportar como inadecuado




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Abstract : Theoreticians agree that superfluidity can exist in a Bose solid. The experiments to detect such an effect have failed up to now. We present here an argument that justifies the exploration of the 1 mK-20 mK temperature range. We have carried out an experiment to detect a mass flow through the solid 4 He down to 4 mK. No anomalous effect occurred, and this result therefore further reduces the upper limit for the occurrence of superfluidity in solid 4He to below 4 mK.

keyword : solid helium superfluidity





Autor: G. Bonfait H. Godfrin B. Castaing

Fuente: https://hal.archives-ouvertes.fr/



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