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Chin. Phys. B, 2000, Vol. 9(2): 86-93    DOI: 10.1088/1009-1963/9/2/002
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Pang Xiao-fengab, Li Pingb
a Institute of High-Energy Electronics, University of Electronic Science and Technology, Chengdu 610054, China; International Centre for Material Physics, Chinese Academy of Sciences, Shenyang 110015, China;  b Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
Abstract  The dynamic equations of the proton transport along the hydrogen bonded molecular systems have been obtained by using completely quantum-mechanical method to be based on new Hamiltonian and model we proposed. Some quantum-mechanical features of the proton-solitons have also been given in such a case. The alternate motion of two defects resulting from proton transfer occurred in the systems can be explained by the results. The results obtained show that the proton-soliton has corpuscle feature and obey classical equations of motion, while the free soliton moves in uniform velocity along the hydrogen bonded chains.
Received:  02 November 1998      Revised:  03 August 1999      Accepted manuscript online: 
PACS:  03.65.Ge (Solutions of wave equations: bound states)  
  03.65.Vf (Phases: geometric; dynamic or topological)  
  05.45.Yv (Solitons)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 19974034).

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