Hysteresis loop area scaling exponents in DNA unzipping by a periodic force: A Langevin dynamics simulation study
Hysteresis loop area scaling exponents in DNA unzipping by a periodic force: A Langevin dynamics simulation study
Using Langevin dynamics simulations, we study the hysteresis in unzipping of longer double-stranded DNA chains whose ends are subjected to a time-dependent periodic force with frequency $\ensuremath{\omega}$ and amplitude $G$ keeping the other end fixed. We find that the area of the hysteresis loop, ${A}_{\mathrm{loop}}$, scales as $1/\ensuremath{\omega}$ at higher …