20 citations · 37 across the 9 of their papers we have counts for
9 papers
Unsteady granular chute flows at high inertial numbers
Satyabrata Patro, Sumit Kumar, Anubhav Majumdar +1
We study the time-dependent flow behavior of gravity-driven free surface granular flows using the discrete element method and continuum modeling. Discrete element method (DEM) simu…
Microwave optomechanical measurement of non-metallized SiN strings at mK temperatures
Sumit Kumar, Yannick Klaß, Baptiste Alperin +5
The mechanical properties of amorphous materials (glasses) at low temperatures are dominated by effects of low energy excitations that are thought to be atomic-scale tunneling two…
Microwave Optomechanically Induced Transparency and Absorption Between 250 and 450 mK
Sumit Kumar, Dylan Cattiaux, Eddy Collin +2
High-quality microwave amplifiers and notch-filters can be made from microwave optomechanical systems in which a mechanical resonator is coupled to a microwave cavity by radiation…
Microwave single-tone optomechanics in the classical regime
Ilya Golokolenov, Dylan Cattiaux, Sumit Kumar +4
We report on the quantitative experimental illustration of elementary optomechanics within the classical regime. All measurements are performed in a commercial dilution refrigerato…
A 10 mK hermetic cell for eliminating parasitic heating in cryogen-free dilution refrigerators
David Schmoranzer, Sumit Kumar, Sébastien Triqueneaux +5
Cryogen-free dilution refrigerators generally simplify low temperature research but some types of samples, including superconducting qubits and other nanoelectronic devices, are af…
Nanoparticles modulate contact angle hysteresis in electrowetting
Sumit Kumar, Pawan Kumar, Sunando DasGupta +1
The pinning of the contact line adversely influences the electrowetting performance of sessile liquid droplets. In this paper, we report the electrowetting hysteresis characteristi…