Abstract
The linear response theory of the one dimensional nonlinear systems is formulated in the limit of the overdamping. Transfer integral method is applied to investigate the dynamical structure factor S (k =0, ω). The equation of motion for the distribution function is reduced to a set of independent equations for normal modes. As an example the structure factor for the φ4 chain is calculated to be the sum of a very narrow central peak and a broad overdamped phonon peak. The origin of the former is supposed to be the domain wall motion.
| Original language | English |
|---|---|
| Pages (from-to) | 699-705 |
| Number of pages | 7 |
| Journal | Journal of the Physical Society of Japan |
| Volume | 47 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1979 Jan 1 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Physics and Astronomy(all)
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Linear response of one dimensional nonlinear system. I. Dynamical properties of the φ4 chain. / Imada, Masatoshi.
In: Journal of the Physical Society of Japan, Vol. 47, No. 3, 01.01.1979, p. 699-705.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Linear response of one dimensional nonlinear system. I. Dynamical properties of the φ4 chain
AU - Imada, Masatoshi
PY - 1979/1/1
Y1 - 1979/1/1
N2 - The linear response theory of the one dimensional nonlinear systems is formulated in the limit of the overdamping. Transfer integral method is applied to investigate the dynamical structure factor S (k =0, ω). The equation of motion for the distribution function is reduced to a set of independent equations for normal modes. As an example the structure factor for the φ4 chain is calculated to be the sum of a very narrow central peak and a broad overdamped phonon peak. The origin of the former is supposed to be the domain wall motion.
AB - The linear response theory of the one dimensional nonlinear systems is formulated in the limit of the overdamping. Transfer integral method is applied to investigate the dynamical structure factor S (k =0, ω). The equation of motion for the distribution function is reduced to a set of independent equations for normal modes. As an example the structure factor for the φ4 chain is calculated to be the sum of a very narrow central peak and a broad overdamped phonon peak. The origin of the former is supposed to be the domain wall motion.
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UR - http://www.scopus.com/inward/citedby.url?scp=18144395043&partnerID=8YFLogxK
U2 - 10.1143/JPSJ.47.699
DO - 10.1143/JPSJ.47.699
M3 - Article
VL - 47
SP - 699
EP - 705
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - 3
ER -