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312 papers · 1 filter
Power-Law Creep from Discrete Dislocation Dynamics
Shyam M. Keralavarma, Tahir Cagin, Tom Arsenlis +1
We report two-dimensional discrete dislocation dynamics simulations of combined dislocation glide and climb leading to `power-law' creep in a model aluminum crystal. The approach f…
Contemporary machine learning: a guide for practitioners in the physical sciences
Brian K. Spears
Machine learning is finding increasingly broad application in the physical sciences. This most often involves building a model relationship between a dependent, measurable output a…
Fast algorithms for evaluating the stress field of dislocation lines in anisotropic elastic media
C. Chen, S. Aubry, T. Oppelstrup +2
In dislocation dynamics (DD) simulations, the most computationally intensive step is the evaluation of the elastic interaction forces among dislocation ensembles. Because the pair-…
Temperature Structure in the Perseus Cluster Core Observed with Hitomi
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +192
The present paper investigates the temperature structure of the X-ray emitting plasma in the core of the Perseus cluster using the 1.8--20.0 keV data obtained with the Soft X-ray S…
Calibration, event reconstruction, data analysis and limits calculation for the LUX dark matter experiment
D. S. Akerib, S. Alsum, H. M. Araújo +95
The LUX experiment has performed searches for dark matter particles scattering elastically on xenon nuclei, leading to stringent upper limits on the nuclear scattering cross sectio…
Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +192
The Hitomi SXS spectrum of the Perseus cluster, with 5 eV resolution in the 2-9 keV band, offers an unprecedented benchmark of the atomic modeling and database for hot collis…