This article is cited in 11 papers

CONDENSED MATTER

Interaction of both charge density waves in $\mathrm{NbSe_3}$ from interlayer tunneling experiments

A. P. Orlov^a, Yu. I. Latyshev^a, A. M. Smolovich^a, P. Monceau<sup>b

a</sup> Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
^b Centre de Recherches sur les Très Basses Températures

Abstract: Interlayer tunneling technique has been used for spectroscopy of charge density wave (CDW) energy gaps, $\Delta_{1,2}$, in $\mathrm{NbSe_3}$ subsequently opened at the Fermi surface on decreasing temperature at $T_{p1}=145$ K (CDW1) and at $T_{p2}=60$ K (CDW2). We found that the CDW2 formation is accompanied by an increase of the CDW1 gap below $T_{p2}$. The maximum enhancement of $\Delta_1$, $\delta\Delta_1$, is about 10%. The effect observed has been predicted theoretically as resulting from the joint phase locking of both CDWs with the underlying crystalline lattice below $T_{p2}$.

PACS: 42.25.Gy, 71.45.Lr, 72.15.Nj, 74.25.Gz

Received: 13.06.2006

Language: English

 English version: Journal of Experimental and Theoretical Physics Letters, 2006, 84:2, 89–92

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