Open AccessEXCITATION ENERGY OF SOLITON IN STRONGLY COUPLED ELECTRON-LATTICE SYSTEM
Author(s) -
FU ROU-LI,
Yunsheng Ma,
Xin Sun
Publication year - 1992
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.41.1143
Subject(s) - excitation , physics , electron , lattice (music) , atomic physics , soliton , coupling strength , electron excitation , condensed matter physics , nonlinear system , quantum mechanics , acoustics
The excitation energy of soliton ε1 and its dependence upon electronlattice coupling: strength λ have been calculated in strongly coupled one dimensional electron-lattice systems. Our results show: The excitation energy of soliton ε1(λ) augments as λ increases. Whereas, ε1, will be always less than the energy needed to excite an electron or a hole in this system.
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