Magnetic penetration depth in unconventional superconductors

By Ruslan Prozorov, R. Giannetta. 2006

272 citations recorded by the source corpus.

This topical review summarizes various features of magnetic penetration depth in unconventional superconductors. Precise measurements of the penetration depth as a function of temperature, magnetic field and crystal orientation can provide detailed information about the pairing state. Examples are given of unconventional pairing in hole- and electron-doped cuprates, organic and heavy fermion superconductors. The ability to apply an external magnetic field adds a new dimension to measurements of penetration depth. We discuss how field-dependent measurements can be used to study surface Andreev bound states, nonlinear Meissner effects, magnetic impurities, magnetic ordering, proximity effects and vortex motion. We also discuss how measurements of penetration depth as a function of orientation can be used to explore superconductors with more than one gap and with anisotropic gaps. Details relevant to the analysis of penetration depth data in anisotropic samples are also discussed.

View Paper: https://www.semanticscholar.org/paper/5ad28e1e6eea5a4a2e7b6ccaff3ba0f376f140b6

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1. Vladimir G. Kogan
2. Ruslan Prozorov

Citations in the corpus

• London penetration depth in iron-based superconductors (2011, methodology): “Constant G is measured directly by pulling the sample out of the coil [48, 20].”