Thermal gradient experiments on the charge-density-wave conduction noise spectrum

  • N. P. Ong
  • G. Verma
  • X. J. Zhang
IV. Charge Density Wave Transport
Part of the Lecture Notes in Physics book series (LNP, volume 217)


The firmest evidence supporting theories1,2 which ascribe the voltage oscillations (narrow-band noise) to phase-slippage at the ends of the sample come from experiments performed with the sample in a thermal gradient3,4. In this short note we will review three classes of experiments which clarify different aspects of the problem. All experiments are done on high purity (RRR > 100) NbSe3 in two-probe configuration, except otherwise indicated. Where appropriate we will stress experimental details and difficulties. See K. Maki, these proceedings, for theoretical details.


Fundamental Frequency Copper Wire Sapphire Substrate Short Sample Voltage Oscillation 
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  1. 1.
    N.P. Ong, G. Verma, and K. Maki, Phys. Rev. Lett. 52, 663 (1984); Kazumi Maki and N.P. Ong, to be published.Google Scholar
  2. 2.
    L.P. Gor'kov, Pis'ms Zh. Eksp. Teor. Fiz. 38, 76 (1983) [JETP Lett. 38, 87 (1983)].Google Scholar
  3. 3.
    G. Derma and N.P. Ong, Phys. Rev. B 30 (1984), in print.Google Scholar
  4. 4.
    X.J. Zhang and N.P. Ong, Phys. Rev., submitted; and unpublished.Google Scholar
  5. 5.
    N.P. Ong and G. Verma, Phys. Rev. B 27, 4495 (1983).Google Scholar

Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • N. P. Ong
    • 1
  • G. Verma
    • 1
  • X. J. Zhang
    • 1
  1. 1.Department of PhysicsUniversity of Southern CaliforniaLos Angeles

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