THE FORMATION AND PROPAGATION OF DOMAINS IN SUPERLATTICES DISCUSSED WITH NONLINEAR SCHR¨ODINGER EQUATION | Zendy

Qiang Tian | Zendy; MA BEN-KUN | Zendy

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THE FORMATION AND PROPAGATION OF DOMAINS IN SUPERLATTICES DISCUSSED WITH NONLINEAR SCHR¨ODINGER EQUATION

Author(s) -

Qiang Tian,

MA BEN-KUN

Publication year - 1999

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.48.2125

Subject(s) - nonlinear schrödinger equation , superlattice , physics , nonlinear system , soliton , breather , schrödinger equation , domain (mathematical analysis) , electron , condensed matter physics , differential equation , split step method , mathematical physics , quantum mechanics , mathematical analysis , mathematics

The formation and propagation of domains in superlattices are discussed using a nonlinear Schrdinger equation.Negative differential conductivity in superlattices leads to the growth of inevitable spatial fluctuations,and a propagating electron accumulation-layer domain is formed.It is shown that envelopes of the wave functions are governed by the nonlinear Schrdinger equation which has soliton solutions.

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