5 papers
Collective Emission in LH2 Assembly Beyond the Point-Dipole Approximation
Javed Akhtar, Himangshu Prabal Goswami
Collective emission in light-harvesting assemblies is governed by the local transition dipole and finite geometry of emitting units, a fact that point-dipole approximation obscures…
Ergotropy of a Photosynthetic Reaction Center
Trishna Kalita, Manash Jyoti Sarmah, Javed Akhtar +1
We theoretically analyze the Photosystem II reaction center using a quantum master equation approach, where excitonic and charge-transfer rates are computed at the Redfield and För…
Fischer Information of a Nonequilibrium Anharmonic Donor-Acceptor Rectifier
Bitap Raj Thakuria, Trishna Kalita, Javed Akhtar +1
We investigate a nonequilibrium donor-acceptor quantum rectifier system coupled to an anharmonic vibrational mode, treating the vibrational dynamics both as a two-level system and…
Cotunneling effects in the geometric statistics of a nonequilibrium spintronic junction
Mriganka Sandilya, Javed Akhtar, Manash Jyoti Sarmah +1
In the nonequilibrium steadystate of electronic transport across a spin-resolved quantronic junction, we investigate the role of cotunneling on the emergent statistics under phase-…
Geometricities of driven transport in presence of reservoir squeezing
Javed Akhtar, Jimli Goswami, Himangshu Prabal Goswami
In a bare site coupled to two reservoirs, we explore the statistics of boson exchange in the presence of two simultaneous processes: squeezing the two reservoirs and driving the tw…