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The influence of polaron size on the conductivity of poly-DNA
Julia A. Berashevich, Adam D. Bookatz, Tapash Chakraborty
The velocity of polaron migration in the long poly-DNA chain (~40 base pairs) in an applied electric field has been studied within a polaron model. We found that the polaron veloci…
Polaron tunneling dynamics in the DNA molecule
Dr Julia A. Berashevich, Vadim Apalkov, Tapash Chakraborty
The formation of polaron and its migration in a DNA chain are studied within a semiclassical Peyrard-Biship-Holstein polaron model. Comparing the energetics of the polaron system f…
Electronic parameters for the hole transfer in DNA duplex oligomers
Dr. Julia A. Berashevich, Tapash Chakraborty
We report on our calculations of the inner-sphere reorganization energy and the interaction of the pi orbitals within DNA oligomers. The exponential decrease of the electronic coup…
Spin injection into a short DNA chain
X. F. Wang, Tapash Chakraborty
Quantun spin transport through a short DNA chain connected to ferromagnetic electrodes has been investigated by the transfer matrix method. We describe the system by a tight-bindin…