Trapping and hopping of bipolarons in DNA: Su-Schrieffer-Heeger model calculations

Details Trapping and hopping of bipolarons in DNA: Su-Schrieffer-Heeger model calculations Trapping and hopping of bipolarons in DNA: Su-Schrieffer-Heeger model calculations

2005-06-29

arxiv.org/abs/cond-mat/0506749v1

Physical Review B 72, 064304 (2005)

Physics

Condensed Matter

Soft Condensed Matter

to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.72.064304

With the Su-Schrieffer-Heeger model involving the effects of solvent polarization and external electric field, we show that bipolaron maybe more stable than two polarons when a dication induced into a DNA stack. Under the high electric field, the dication can move quite a long distance through the DNA by a series of hopping process, partially losing its configuration instantaneously due to the nonadiabatic effects.

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