Application of infinite order perturbation theory in linear systems. II. The frequency spectrum of disordered chains

1974 ◽  
Vol 15 (7) ◽  
pp. 947-949 ◽  
Author(s):  
Shi‐yu Wu
Keyword(s):  
Perturbation Theory ◽  
Linear Systems ◽  
Frequency Spectrum ◽  
Infinite Order ◽  
Order Perturbation ◽  
Order Perturbation Theory

The application of infinite-order perturbation theory to biological polymers

Biopolymers ◽  
1977 ◽  
Vol 16 (12) ◽  
pp. 2785-2796 ◽  
Author(s):  
Harvey Groskreutz ◽  
Shi-Yu Wu ◽  
Manuel Schwartz
Keyword(s):  
Perturbation Theory ◽  
Infinite Order ◽  
Order Perturbation ◽  
Order Perturbation Theory ◽  
Biological Polymers

scholarly journals Effect of Randomness in Layer Thickness on the Phonon Structure of Superlattices

1987 ◽  
Vol 40 (2) ◽  
pp. 185
Author(s):  
GD Pang ◽  
SJ Xiong ◽  
CH Tsai
Keyword(s):  
Perturbation Theory ◽  
Layer Thickness ◽  
Infinite Order ◽  
Order Perturbation ◽  
Order Perturbation Theory ◽  
New Type ◽  
Phonon Structure

A new type of disorder may occur in artificial superlattices, arising from the randomness in the layer thicknesses. We treat here its effect on the phonon structure. A modification of the infinite order perturbation theory by Wu et aL (1974 a, 1974 b) serves well to give satisfactory solutions of the problem.

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