Indirect Coupling and Antiresonance of Two Optic Phonons

A. Zawadowski, J. Ruvalds

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Using Green's function techniques we calculate the spectrum for two optic phonons interacting via anharmonic coupling to two acoustic phonons. The single-phonon density of states, which is related to the first-order Raman spectrum, exhibits a zero (antiresonance) between the individual phonon peaks and yields a line shape in excellent agreement with Scott's recent experimental results for AlPO4.

Original languageEnglish
Pages (from-to)1111-1114
Number of pages4
JournalPhysical Review Letters
Volume24
Issue number20
DOIs
Publication statusPublished - 1970

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phonons
optics
line shape
Green's functions
Raman spectra
acoustics

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Indirect Coupling and Antiresonance of Two Optic Phonons. / Zawadowski, A.; Ruvalds, J.

In: Physical Review Letters, Vol. 24, No. 20, 1970, p. 1111-1114.

Research output: Contribution to journalArticle

Zawadowski, A. ; Ruvalds, J. / Indirect Coupling and Antiresonance of Two Optic Phonons. In: Physical Review Letters. 1970 ; Vol. 24, No. 20. pp. 1111-1114.
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