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Upper critical magnetic fields of the heavy fermion superconductors CeCu2Si2, UPt3, and UBe13: Comparison between experiment and theory

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Citation

Rauchschwalbe, U., Ahlheim, U., Steglich, F., Rainer, D., & Franse, J. J. M. (1985). Upper critical magnetic fields of the heavy fermion superconductors CeCu2Si2, UPt3, and UBe13: Comparison between experiment and theory. Zeitschrift für Physik B, 60(2-4), 379-386. doi:10.1007/BF01304459.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-CEB3-2
Abstract
We report measurements of the upper critical magnetic field,B c2 (T), on single crystal and polycrystalline samples of the heavy-fermion superconductors CeCu2Si2, UPt3 and UBe13. Comparison is made with experimental results for a “conventional” superconductor (CeRu3Si2) and with results of the weak-coupling theory applied to both ans-wave superconductor in the “dirty-limit” and ap-wave superconductor. New anomalies are discovered to add to the unusualB c2 (T) behavior.