Microwave Dissipation and the Structure of the Vortex Lattice in Bi2Sr2CaCu2O8+δ Single Crystals

Bontemps, N.; Enriquez, Hanna

doi:10.1007/978-94-011-5732-2_2

Cited by 2 publications

(1 citation statement)

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“…More study of microwave behaviours on films and polycrystalline samples could bring some interesting information on order parameter admixture in well-characterized structures but the more so through the analysis of the cross-over fields (such as H irr ) and temperatures (such as T m ). Together with studies on single crystals [87], these properties could lead to independent information on physical parameters underlying equilibrium features and scattering mechanisms.…”

Section: Discussionmentioning

confidence: 99%

The intrinsic effects of a magnetic field on the microwave properties of s or d order parameter symmetry in high- superconductors

Ausloos¹

1999

Supercond. Sci. Technol.

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A theoretical discussion of the intrinsic effects of a magnetic field on the real and imaginary parts of the ac electrical characteristics of superconductors is reported. The subsequent phenomenological theory emphasizes only the role of the scattering mechanisms of quasi-particles by static independent vortices. However both s- and d-wave order parameter symmetries are considered. Power laws for the field dependence at low temperature are obtained: , and , for an s and a d gap respectively, and while and . Since the published data do not seem to be (always) in agreement with these laws, this indicates effects of `extrinsic origin', e.g. granularity and weak links. A mixed order parameter symmetry cannot be ruled out in cases where these extrinsic effects occur.

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Section: Discussionmentioning

confidence: 99%