Abstract
Electric and magnetic field influence on localization length G4 DNA molecule has been studied. This research used G4 DNA model of 102 base pair. Localization length is calculated using the transfer matrix method. The electric field is applied in the direction parallel to DNA’s symmetrical axis. The magnetic field is applied perpendicular to DNA symmetrical axis. The results of the calculation of localization length under influence of electric field showed that the localization length decreases with electric field strength, so more electron state becomes a localized state. Other results show magnetic field has no significant effect on the spectrum of the localization length, even at large magnetic field.
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