SOLITON CONDUCTIVITY IN HYDROGEN BONDED FERROELECTRICS | Zendy

YUAN DE-RONG | Zendy; QIAO LING-ZHI | Zendy

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SOLITON CONDUCTIVITY IN HYDROGEN BONDED FERROELECTRICS

Author(s) -

YUAN DE-RONG,

QIAO LING-ZHI

Publication year - 2001

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.50.398

Subject(s) - ferroelectricity , soliton , conductivity , proton , expression (computer science) , physics , hydrogen , condensed matter physics , phase (matter) , materials science , quantum mechanics , nonlinear system , computer science , dielectric , programming language

A.Gordon first studied solitonic coductivity in some hydrogen-bonded ferroelectric materials, using the hydrogen-bonded chain model with asymmetric double-well potential, and gave the kink solution and expression for its mobility. However, kink solitons making contribution to proton-solitonic conductivity should be the solitons corresponding to proton transfer between two wells. For this reason, we suggest revising Gordon’s result, giving a low-energy-state kink solution and a new expression for its mobility. With the asymmertic double-well potential transforming to the symmetric one, this expression is reduced exactly to the same form as previous research result. This expression shows that the phase-transision critical index is 1.

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