Why non-superconducting metallic elements become superconducting under high pressure

Abstract

We predict that simple metals and early transition metals that become superconducting under high pressures will show a change in sign of their Hall coefficient from negative to positive under pressure. If verified, this will strongly suggest that hole carriers play a fundamental role in `conventional' superconductivity, as predicted by the theory of hole superconductivity.

Submitted to M2S-IX Tokyo 2009

References in corpus (2)

• Comparison of the pressure dependences of Tc in the trivalent d-electron superconductors
• Why holes are not like electrons: A microscopic analysis of the differences between holes and electrons in condensed matter

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• Towards an understanding of hole superconductivity
• Why only hole conductors can be superconductors
• Electronic origin of the orthorhombic Cmca structure in compressed elements and binary alloys