A magnetic anomaly near T sub c in superconducting UPt sub 3

Technical Report · Thu Dec 01 04:00:00 EST 1988

DOI:https://doi.org/10.2172/5965833· OSTI ID:5965833

Shivaram, B S; Gannon, Jr, J J ^[1]; Hinks, D G ^[2]

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1. Virginia Univ., Charlottesville, VA (USA)
2. Argonne National Lab., IL (USA)

We report observation of a peak in the r.f. susceptibility of a single crystal of the heavy fermion superconductor UPt{sub 3}. The peak occurs close to but below T{sub c} {equals} 0.53 K. In addition our measurements in the low temperature limit (T < 0.5 T{sub c}) yield the magnetic field penetration depth in UPt{sub 3}. We obtain a T{sup 4} power law for the penetration depth parallel to the c-axis of the crystal. Based on existing calculations of the penetration depth in anisotropic superconductors we identify the order-parameter in UPt{sub 3} as an odd-parity axial state. 19 refs., 3 figs.

• Research Organization: Argonne National Lab., IL (USA)
• Sponsoring Organization: DOE; USDOE, Washington, DC (USA)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 5965833
• Report Number(s): ANL/PP-66684; ON: DE91011109
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals &amp; Alloys-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ACTINIDE ALLOYS
ALLOYS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
INTERMETALLIC COMPOUNDS
MAGNETIC FIELDS
PENETRATION DEPTH
PHYSICAL PROPERTIES
PLATINUM ALLOYS
PLATINUM BASE ALLOYS
PLATINUM METAL ALLOYS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
URANIUM ALLOYS