The interaction of excitons with phonons and solution of breathers in one-dimensional molecular chain | Zendy

Xu Quan | Zendy; Qiang Tian | Zendy

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The interaction of excitons with phonons and solution of breathers in one-dimensional molecular chain

Author(s) -

Xu Quan,

Qiang Tian

Publication year - 2004

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.53.2811

Subject(s) - anharmonicity , breather , phonon , quartic function , physics , exciton , lattice (music) , vibration , condensed matter physics , lattice vibration , molecular vibration , chain (unit) , eigenvalues and eigenvectors , molecule , quantum mechanics , nonlinear system , mathematics , acoustics , pure mathematics

By virtue of the method of continuum limit,we obtained the solitons of the vibration of lattice in one-dimensional harmonic and anharmonic molecule chainsthrough which the equations of exciton and phonon are solved. On considering th e cubic anharmonic potential,the vibration of lattice in one\|dimensional mole cule chain has a solution of kink soliton and on considering the quartic anharm onic potentialthe vibration of lattice in one-dimensional molecule chain has a so lution of breathers.

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