P.C. Kwok, T.D. Schultz
Physical Review B
A one-sentence nonalgebraic evaluation of averages, such as occur in the theory of the Debye-Waller factor, is given, which is valid for certain types of anharmonic modes and also for ensembles more general than the canonical ensemble.
P.C. Kwok, T.D. Schultz
Physical Review B
S. Etemad, E.M. Engler, et al.
Physical Review B
Kell Mortensen, Y. Tomkiewicz, et al.
Physical Review Letters
Yaffa Tomkiewicz, R.A. Craven, et al.
Physical Review B