Open AccessEXCITATION ENERGY OF SOLITON IN STRONGLY COUPLED ELECTRON-LATTICE SYSTEM
Author(s) -
Ruigang Fu,
Yunsheng Ma,
Sun X
Publication year - 1992
Publication title -
wuli xuebao
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.