Open AccessPhonon representations.
Author(s) -
Julian Schwinger
Publication year - 1990
Publication title -
proceedings of the national academy of sciences of the united states of america
Language(s) - English
Resource type - Journals
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.87.18.6983
Subject(s) - phonon , hamiltonian (control theory) , physics , einstein , condensed matter physics , lattice (music) , quantum mechanics , mathematics , mathematical optimization , acoustics
The gap between the nonlocalized lattice-phonon description and the localized Einstein oscillator treatment is filled by transforming the phonon Hamiltonian back to the particle variables. The particle-coordinate, normalized, wave function for the phonon vacuum state is exhibited.