Temporal Order and Dynamical critical phenomena in Sliding Charge-Density Wave Systems

Ken-ichi Matsuda, Satoshi Tanda, Yoshitoshi Okajima and Kazuhiko Yamaya
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Ken-ichi Matsuda: Hokkaido Univ., Dept. of Applied Phys.
Satoshi Tanda: Hokkaido Univ., Dept. of Applied Phys.
Yoshitoshi Okajima: Hokkaido Univ., Dept. of Applied Phys.
Kazuhiko Yamaya: Hokkaido Univ., Dept. of Applied Phys.

A chapter in Complexity and Diversity, 1997, pp 129-131 from Springer

Abstract: Abstract We investigated the transport properties of sliding charge-density wave (CDW) systems in the presence of impurities at 77.3K. Near the threshold bias voltage V T . current carried by CDW (ICDW) was scaled by reduced bias voltage (V — V T )/V T with exponent ζ = 1.1 ± 0.1. This scaling behavior gives good agreement with a theoretical picture proposed by Fisher. Moreover, we found that the amplitude of narrow-band noise (NBN) became minimal at a critical voltage V c . This implies the non-equilibrium phase transition between a plastic flow phase and a temporally periodic moving solid phase. We confirmed the existence of three dynamical phases in non-equilibrium steady state.

Keywords: Charge-density wave; Dynamical critical phenomena; Noise spectrum; Temporal order (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-4-431-66862-6_25

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DOI: 10.1007/978-4-431-66862-6_25

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