Narrow-band 'noise' and damping in NbSe 3

J. Richard, J. Chen, S. N. Artemenko

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

WE report the results of a Narrow-band 'Noise' (NBN) study, in NbSe 3 for magnetic fields up to 19 T and temperatures as low as 15 K. The first result of this NBN study is the observation of the decrease of dJ CDW/dv with decreasing temperatures for both transitions. We report also new values for the absolute value dJ CDW/dv for both transitions, and the existence of a curvature of dJ CDW/dv versus frequency, in low frequency range. We have interpreted the decreases of dJ CDW/dv with temperatures in terms of Artemenko's theory which has been used in 1984 to explain the non-linear Hall effect in TaS 3. The total longitudinal current is given by J T = J CDW(1-A)+sigma 1E, where the therm AJ CDW is a backward normal current flow due to the moving CDW. From the saturating value of dE/dv obtained in high electric field we have deduced the total damping parameter τ 1 which is decreasing with temperatures. Using data obtained under application of a magnetic field of 7 T and the Wonneberger's theory for the ac response of the collective mode, we have deduced the thermal variation of the bare phason damping coefficient τ O -1. We report that for T<30K, τ O -1≈AT 4.5very close to the theoretical predictions of Takada, Wong and Holstein.

Original languageEnglish
Title of host publicationJournal De Physique. IV : JP
PublisherPubl by Editions de Physique
Pages33-38
Number of pages6
Volume3
Edition2
Publication statusPublished - Jul 1993
EventProceedings of the International Workshop on Electronic Crystals (ECRYS 93) - Carry-le-Rouet, Fr
Duration: 2 Jun 19934 Jun 1993

Other

OtherProceedings of the International Workshop on Electronic Crystals (ECRYS 93)
CityCarry-le-Rouet, Fr
Period2.6.934.6.93

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Richard, J., Chen, J., & Artemenko, S. N. (1993). Narrow-band 'noise' and damping in NbSe 3 In Journal De Physique. IV : JP (2 ed., Vol. 3, pp. 33-38). Publ by Editions de Physique.