Mixed-State Ultrasonic Attenuation in Clean Niobium

  • M. K. Purvis
  • R. A. Johnson
  • A. R. Hoffman


Recently there has been much theoretical1–4 and experimental5–7 interest in the ultrasonic attenuation coefficient in the mixed state of clean type-II superconductors. In this paper we present measurements of the attenuation near the upper critical field with the purpose of testing theoretical predictions regarding frequency dependence and propagation geometries.


Transverse Wave Frequency Dependence Ultrasonic Attenuation Correct Ratio Magnetic Field Magnitude 
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Copyright information

© Springer Science+Business Media New York 1974

Authors and Affiliations

  • M. K. Purvis
    • 1
  • R. A. Johnson
    • 1
  • A. R. Hoffman
    • 1
  1. 1.University of Massachusetts AmherstUSA

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