High Pressure Study on MgB2

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  • 15 February 2001
Abstract
The hydrostatic pressure effect on the newly discovered superconductor MgB2 has been determined. The transition temperature Tc was found to decrease linearly at a large rate of -1.6 K/GPa, consistent with the suggestion that electron-phonon interaction may play a significant role in the superconductivity of the compound. However, it should be noted that the proposition of the ``universal'' mechanism for the observed superconductivity in MgB2 cannot be ruled out at this moment.

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