159 citations · 2k across the 161 of their papers we have counts for
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Role of quantum entanglement due to a magnetic impurity on current magnification effect in mesoscopic open rings
Colin Benjamin, Sandeep K. Joshi, Debendranath Sahoo +1
We study the current magnification effect in presence of exchange scattering of electron from a magnetic impurity placed in one arm of an open mesoscopic ring. The exchange interac…
Multiple current reversals in forced inhomogeneous ratchets
Debasis Dan, Mangal C. Mahato, A. M. Jayannavar
Transport properties of overdamped Brownian paricles in a rocked thermal ratchet with space dependent friction coefficient is studied. By tuning the parameters, the direction of cu…
Dephasing of Aharonov-Bohm oscillations in a mesoscopic ring with a magnetic impurity
Sandeep K. Joshi, Debendranath Sahoo, A. M. Jayannavar
We present a detailed analysis of the Aharonov-Bohm interference oscillations manifested through transmission of an electron in a mesoscopic ring with a magnetic impurity atom inse…
Motion in a rocked ratchet with spatially periodic friction
Debasis Dan, Mangal C. Mahato, A. M. Jayannavar
We present a detailed study of the transport and energetics of a Brownian particle moving in a periodic potential in the presence of an adiabatic external periodic drive. The parti…
A study of disordered systems with gain: Stochastic Amplification
Sandeep K. Joshi, A. M. Jayannavar
A study of statistics of transmission and reflection from a random medium with stochastic amplification as opposed to coherent amplification is presented. It is found that the tran…
Modelling of Stochastic Absorption in a Random Medium
Sandeep K. Joshi, Debendranath Sahoo, A. M. Jayannavar
We report a detailed and systematic study of wave propagation through a stochastic absorbing random medium. Stochastic absorption is modeled by introducing an attenuation constant…