Quantum effects in pinning of CDW and SDW by impurities

A. Zawadowski, I. Tütto

Research output: Article

7 Citations (Scopus)

Abstract

Quantum phenomena are discussed which take place near impurities in charge-density wave (CDW) and spin-density wave (SDW) systems on a length scale small compared to the BCS amplitude coherence length, where the phenomenological theories cannot be applied. Around the impurity Friedel oscillations are formed and the mismatch between the Friedel oscillations and the CDW (SDW) results in a nonsinusoidal pinning potential. Intragap electronic states are formed which depend on the position of the CDW. Possibility of formation of two-level systems with quantum tunneling is also considered.

Original languageEnglish
Pages (from-to)469-476
Number of pages8
JournalSynthetic Metals
Volume29
Issue number2-3
DOIs
Publication statusPublished - márc. 21 1989

Fingerprint

Spin density waves
Charge density waves
Impurities
impurities
Electronic states
oscillations
magnons
electronics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Quantum effects in pinning of CDW and SDW by impurities. / Zawadowski, A.; Tütto, I.

In: Synthetic Metals, Vol. 29, No. 2-3, 21.03.1989, p. 469-476.

Research output: Article

Zawadowski, A. ; Tütto, I. / Quantum effects in pinning of CDW and SDW by impurities. In: Synthetic Metals. 1989 ; Vol. 29, No. 2-3. pp. 469-476.
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