Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5496734 | Physics Letters A | 2016 | 5 Pages |
Abstract
A classical harmonic diatomic chain is studied using the recurrence relations method. The momentum autocorrelation function results from contributions of acoustic and optical branches. By use of convolution theorem, analytical expressions for the acoustic and optical contributions are derived as even-order Bessel function expansions with coefficients given in terms of integrals of elliptic functions in real axis and a contour parallel to the imaginary axis, respectively.
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Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Ming B. Yu,