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3D Heisenberg universality in the Van der Waals antiferromagnet NiPS
Rajan Plumley, Sougata Mardanya, Cheng Peng +20
Van der Waals (vdW) magnetic materials are comprised of layers of atomically thin sheets, making them ideal platforms for studying magnetism at the two-dimensional (2D) limit. Thes…
Kernel Fusion in Atomistic Spin Dynamics Simulations on Nvidia GPUs using Tensor Core
Hongwei Chen, Shiyang Chen, Joshua J. Turner +1
In atomistic spin dynamics simulations, the time cost of constructing the space- and time-displaced pair correlation function in real space increases quadratically as the number of…
On Ultrafast X-ray Methods for Magnetism
Rajan Plumley, Sathya Chitturi, Cheng Peng +36
With the introduction of x-ray free electron laser sources around the world, new scientific approaches for visualizing matter at fundamental length and time-scales have become poss…
Quasi-Fermi liquid behavior in a one-dimensional system of interacting spinless fermions
Joshua D. Baktay, Alexander V. Rozhkov, Adrian E. Feiguin +1
We present numerical evidence for a paradigm in one-dimensional interacting fermion systems, whose phenomenology has traits of both Luttinger liquids and Fermi liquids. This state,…
Auger spectroscopy beyond the ultra-short core-hole relaxation time approximation
Alberto Nocera, Adrian Feiguin
We present a time-dependent computational approach to study Auger electron spectroscopy (AES) beyond the ultra-short core-hole relaxation time approximation and, as a test case, we…
A High-Performance Implementation of Atomistic Spin Dynamics Simulations on x86 CPUs
Hongwei Chen, Yujia Zhai, Joshua J. Turner +1
Atomistic spin dynamics simulations provide valuable information about the energy spectrum of magnetic materials in different phases, allowing one to identify instabilities and the…