15 citations · 51 across the 20 of their papers we have counts for
22 papers
Cotunneling-Assisted Redistribution of Nonpassivity in a Photosynthetic Junction
Manjet Rajak, Trishna Kalita, Debasish Sharma +1
We investigate how cotunneling affects passive-state ordering in a Photosystem II reaction center modelled as a nonequilibrium molecular junction. We use a full pigment excitation…
Geometric Phonon Energy Pumping in a Layer-Hybridized Moiré Exciton Manifold
Bitap Raj Thakuria, Himangshu Prabal Goswami
Slow cyclic modulation of an open quantum system can generate a geometric contribution to its energy transfer statistics, separable from the dynamic background. In this work we con…
Coherence Estimation Beyond the Liouvillian Gap in a Finite Nonequilibrium System
Sonali Brahma, Trishna Kalita, Himangshu Prabal Goswami
We investigate the estimation of bath-induced coherence in a finite quantum system interacting with thermal reservoirs. Enhancement of coherence estimation is transient and the est…
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…
Thermodynamics of a biophotomimetic nonreciprocal quantum battery
Trishna Kalita, Manash Jyoti Sarmah, Himangshu Prabal Goswami
We propose a theoretical model of a fully functional nonreciprocal quantum battery inspired by the architecture of bacterial light-harvesting complexes. We assign functional roles…
Coherence in the Leak and Storage Kurtosis control Ergotropy in Quantum Batteries
Bitap Raj Thakuria, Trishna Kalita, Manash Jyoti Sarmah +1
We introduce a cavity-coupled finite quantum system which can act as a quantum battery by harnessing noise induced coherences. We apply the methodology of full counting statistics…
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…
Predicting Electromagnetically Induced Transparency based Cold Atomic Engines using Deep Learning
Manash Jyoti Sarmah, Himangshu Prabal Goswami
We develop an artificial neural network model to predict quantum heat engines working within the experimentally realized framework of electromagnetically induced transparency. We s…
Cotunneling assisted nonequilibrium thermodynamics of a photosynthetic junction
Debasish Sharma, Manash Jyoti Sarmah, Mriganka Sandilya +1
We theoretically investigate a photosystem II-based reaction center modeled as a nonequilibrium quantum junction. We specifically focus on the electron-electron interactions that e…
Efficiency fluctuations of a heat engine with noise induced quantum coherences
Manash Jyoti Sarmah, Himangshu Prabal Goswami
We analyze the efficiency fluctuations of a coherent quantum heat engine coupled to a unimodal cavity using a standard full-counting statistics procedure. The engine's most likely…
Noise induced coherent ergotropy of a quantum heat engine
Manash Jyoti Sarmah, Himangshu Prabal Goswami
We theoretically identify the noise-induced coherent contribution to the ergotropy of a four-level quantum heat engine coupled to a unimodal quantum cavity. We utilize a protocol w…
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…
Learning coherences from nonequilibrium fluctuations in a quantum heat engine
Manash Jyoti Sarmah, Himangshu Prabal Goswami
We develop an efficient machine learning protocol to predict the noise-induced coherence from the nonequilibrium fluctuations of photon exchange statistics in a quantum heat engine…
Work flux and efficiency at maximum power of a triply squeezed engine
Manash Jyoti Sarmah, Himangshu Prabal Goswami
We explore the effects of quantum mechanical squeezing on the nonequilibrium thermodynamics of a coherent heat engine with squeezed reservoirs coupled to a squeezed cavity. We obse…
Nonequilibrium fluctuations in boson transport through squeezed reservoirs
Manash Jyoti Sarmah, Akanksha Bansal, Himangshu Prabal Goswami
We explore the effects of quantum mechanical squeezing on the nonequilibrium fluctuations of bosonic transport between two squeezed harmonic reservoirs and a two level system. A st…
Controlling thermodynamics of a quantum heat engine with modulated amplitude drivings
Sajal Kumar Giri, Himangshu Prabal Goswami
External driving of bath temperatures with a phase difference of a nonequilibrium quantum engine leads to the emergence of geometric effects on the thermodynamics. In this work, we…
Two-dimensional spectroscopy of Rydberg gases
Kaustav Mukherjee, Himangshu Prabal Goswami, Shannon Whitlock +2
Two-dimensional (2D) spectroscopy uses multiple electromagnetic pulses to infer the properties of a complex system. A paradigmatic class of target systems are molecular aggregates,…
Nonequilibrium fluctuations of a driven quantum heat engine via machine learning
Sajal Kumar Giri, Himangshu Prabal Goswami
We propose a machine learning approach based on artificial neural network to gain faster insights on the role of geometric contributions to the nonequilibrium fluctuations of an ad…
Geometric phaselike effects in a quantum heat engine
Sajal Kumar Giri, Himangshu Prabal Goswami
By periodically driving the temperatures of reservoirs in quantum heat engines, geometric phase or Pancharatnam-Berry phase-like (PBp) effects in the thermodynamics can be observed…
Geometric effects in non-equilibrium electron transfer statistics in adiabatically driven quantum junctions
Himangshu Prabal Goswami, Bijay Kumar Agarwalla, Upendra Harbola
Cyclic Pancharatnam-Berry (PB) and adiabatic noncyclic geometric (ANG) effects are investigated in a single electron orbital system connected to two metal contacts with externally…