68 citations · 137 across the 10 of their papers we have counts for
10 papers
Mean-Field Study of Normal Metal-Quantum Dot-Superconductor System in the Presence of External Magnetic Field
Pujita Das, Sachin Verma, Ajay
In this paper, we have analyzed the spectral and transport properties of a weakly correlated single-level quantum dot hybridized with one normal conducting and another Bardeen-Coop…
Seebeck power generation and Peltier cooling in a Normal metal-quantum dot-superconductor nanodevice
Sachin Verma, Ajay
We theoretically investigate the Seebeck and Peltier effect across an interacting quantum dot(QD) coupled between a normal metal and a Bardeen-Cooper-Schrieffer superconductor with…
Revisiting thermoelectric transport across strongly correlated quantum dot: A Green's function equation of motion theory perspective
Sachin Verma, B. S. Tewari, A. Dhyani +1
Using Green's function equation of motion within Lacroix decoupling scheme, we examine the thermoelectric transport features of a strongly interacting quantum dot coupled between m…
Josephson Transport across T-shaped and Series-Configured Double Quantum Dots System at Infinite-U Limit
Bhupendra Kumar, Sachin Verma, Tanuj Chamoli +1
The charge transport has been analyzed theoretically across a T-shaped and series-configured double quantum dots Josephson junction by implementing the Slave Boson mean field appro…
A Strongly Correlated Quantum-Dot Heat Engine with Optimal Performance: An Non-equilibrium Green's function Approach
Sachin Verma, Ajay
We present an analytical study of a strongly correlated quantum dot-based thermoelectric particle-exchange heat engine for both finite and infinite on-dot Coulomb interaction. Empl…
Phase and Thermal Driven Transport across T-Shaped Double Quantum Dot Josephson Junction
Bhupendra Kumar, Sachin Verma, Ajay
The phase and thermal driven transport properties of the T-shaped uncorrelated double quantum dot Josephson junction are analyzed by using Keldysh non-equilibrium Green's function…
Non-equilibrium thermoelectric transport across normal metal-Quantum dot-Superconductor hybrid system within the Coulomb blockade regime
Sachin Verma, Ajay
A detailed investigation of the non-equilibrium steady-state electric and thermoelectric transport properties of a quantum dot coupled to the normal metallic and s-wave superconduc…
Extracting Quantitative Dielectric Properties from Pump-Probe Spectroscopy
Arjun Ashoka, Ronnie R. Tamming, Aswathy V. Girija +12
Optical pump-probe spectroscopy is a powerful tool for the study of non-equilibrium electronic dynamics and finds wide applications across a range of fields, from physics and chemi…
Influence of superconductivity on the magnetic moment of quantum impurity embedded in BCS superconductor
Sachin Verma, Ajay
We study the influence of superconductivity on the formation of the localized magnetic moment for a single-level quantum impurity embedded in an s-wave Bardeen-Cooper-Schrieffer (B…
Ultrafast Tracking of Exciton and Charge Carrier Transport in Optoelectronic Materials on the Nanometer Scale
Christoph Schnedermann, Jooyoung Sung, Raj Pandya +6
We present a novel optical transient absorption and reflection microscope based on a diffraction-limited pump pulse in combination with a wide-field probe pulse, for the spatio-tem…