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Physics

Thermodynamics

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Displaying 151 - 175 of 831

Parallel Prefetching for Canonical Ensemble Monte Carlo Simulations

August 25, 2020
Author(s)
Harold Wickes Hatch
In order to enable large-scale molecular simulations, algorithms must efficiently utilize multi-core processors that continue to increase in total core count over time with relatively stagnant clock speeds. Although parallelized molecular dynamics (MD)

The (R)Evolution of Refrigerants

July 2, 2020
Author(s)
Mark O. McLinden, Marcia L. Huber
As we enter the "fourth generation" of refrigerants, we consider the evolution of refrigerant molecules, the ever-changing constraints and regulations that have driven the need to consider new molecules, and the advancements in the tools and property

Compact 1.7 K Cryocooler for Superconducting Nanowire Single-Photon Detectors

June 18, 2020
Author(s)
Vincent Y. Kotsubo, Joel N. Ullom, Sae Woo Nam
State-of-the-art superconductor-based cryogenic detector systems are being installed at numerous research facilities worldwide and are achieving world-record sensitivities in a variety of applications. Implementation has been greatly facilitated by closed

Ion transport across solid-state ion channels perturbed by directed strain

April 28, 2020
Author(s)
Alex Smolyanitsky, Alta Y. Fang, Andrei F. Kazakov, Eugene Paulechka
We combine quantum-chemical calculations and molecular dynamics simulations to consider aqueous ion flow across non-axisymmetric nanopores in monolayer graphene and MoS2. When the pore-containing membrane is subject to uniaxial tensile strains applied in

Uncertainty analysis of adsorption measurements using commercial gravimetric sorption analyzers with simultaneous density measurement based on a magnetic-suspension balance

April 27, 2020
Author(s)
Xiaoxian Yang, Reiner Kleinrahm, Mark O. McLinden, Markus Richter
A commercial gravimetric sorption analyzer, which is based on a magnetic-suspension balance, was significantly improved to reduce the uncertainty in adsorption measurements. In a previous paper, we investigated the force-transmission error (FTE) of the
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