67 citations · 845 across the 53 of their papers we have counts for
5 papers · 1 filter
Interference of stochastic resonances: Splitting of Kramers' rate
Pulak Kumar Ghosh, Bidhan Chandra Bag, Deb Shankar Ray
We consider the escape of particles located in the middle well of a symmetric triple well potential driven sinusoidally by two forces such that the potential wells roll as in stoch…
Noise correlation-induced splitting of Kramers' escape rate from a metastable state
Pulak Kumar Ghosh, Bidhan Chandra Bag, Deb Shankar Ray
A correlation between two noise processes driving the thermally activated particles in a symmetric triple well potential, may cause a symmetry breaking and a difference in relative…
Characterizing dynamical transitions in bistable system using non-equilibrium measurement of work
Pulak Kumar Ghosh, Deb Shankar Ray
We show how Jarzynski relation can be exploited to analyze the nature of order-disorder and a bifurcation type dynamical transition in terms of a response function derived on the b…
Numerical simulation of transmission coefficient using c-number Langevin equation
Debashis Barik, Bidhan Chandra Bag, Deb Shankar Ray
We numerically implement the reactive flux formalism on the basis of a recently proposed c-number Langevin equation [Barik \textit{et al}, J. Chem. Phys. {\bf 119}, 680 (2003); Ban…
Anharmonic quantum contribution to vibrational dephasing
Debashis Barik, Deb Shankar Ray
Based on a quantum Langevin equation and its corresponding Hamiltonian within a c-number formalism we calculate the vibrational dephasing rate of a cubic oscillator. It is shown th…