Predicted Electric Field near Small Superconducting Ellipsoids

J. E. Hirsch

doi:10.1103/PhysRevLett.92.016402

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Predicted Electric Field near Small Superconducting Ellipsoids

J. E. Hirsch

DOI 10.1103/PhysRevLett.92.016402 · Physical Review Letters

T1

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Abstract

We predict the existence of large electric fields near the surface of superconducting bodies of ellipsoidal shape of dimensions comparable to the penetration depth. The electric field is quadrupolar in nature with significant corrections from higher order multipoles. Prolate (oblate) superconducting ellipsoids are predicted to exhibit fields consistent with negative (positive) quadrupole moments, reflecting the fundamental charge asymmetry of matter.

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Formula	Reported Tc (K)	Pressure (GPa)	Type
Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown