Phonon effects in colossal magnetoresistance manganese oxides

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Abstract

By using a combined model of the double exchange and the electron-phonon interaction, we have studied the colossal magnetoresistance phenomena observed in perovskite manganese oxides. We evaluate the resistance and the magnetoresistance by using the Kubo formula, and examine the crossover as a function of temperature. We also explore effects of the double-exchange interaction on the lattice degree of freedom.

Original languageEnglish
Pages (from-to)506-508
Number of pages3
JournalPhysica B: Condensed Matter
Volume230-232
DOIs
StatePublished - Feb 1997

Bibliographical note

Funding Information:
This work was supportedb y the Korea Research Foundationa, nd in part by the BSRI programo f the Korean Ministry of Education and the POSTECH specialf und.We thank Y.H. Jeong for providingu s unpublishede xperimentadla ta.

Keywords

  • Electron-phonon interaction
  • Magnetoresistance
  • Polaron

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