A supercurrent is a superconducting current, that is, electric current which flows without dissipation in a superconductor.^[1][2][3] Under certain conditions, an electric current can also flow without dissipation in microscopically small non-superconducting metals. However, currents in such perfect conductors are not called supercurrents, but persistent currents.

1. ^ Jones, Andrew Zimmerman. "supercurrent - definition of a supercurrent". About.com Physics. Archived from the original on 6 September 2015. Retrieved 5 June 2013.
2. ^ Christopher L. Henley. "Lecture 6.4 - Supercurrent and critical currents". States in Solids (PDF). (unpublished). Archived from the original (PDF) on 22 December 2011.
3. ^ Hirsch, J. E. (2004). "Electrodynamics of superconductors". Physical Review B. 69 (21) 214515. arXiv:cond-mat/0312619. Bibcode:2004PhRvB..69u4515H. doi:10.1103/PhysRevB.69.214515. S2CID 119086582.

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