Home      Library      Discussions      About
Join us

@ornl.gov

Nov 24, 2016
Applications
Computer Vision

Two-Level Structural Sparsity Regularization for Identifying Lattices…

This paper presents a regularized regression model with a two-level structural sparsity penalty applied to locate individual atoms in a noisy scannin…
May 16, 2018
Fluid Dynamics

Minkowski and Galilei/Newton Fluid Dynamics: A Geometric 3+1 Spacetim…

A kinetic theory of classical particles serves as a unified basis for developing a geometric $3+1$ spacetime perspective on fluid dynamics capable of…
Sep 10, 2014
Plasma Physics
Chaotic Dynamics

Area-preserving maps models of gyro-averaged ${\bf E} \times {\bf B}$…

Discrete maps have been extensively used to model 2-dimensional chaotic transport in plasmas and fluids. Here we focus on area-preserving maps descri…
Mar 15, 2013
Materials Science
Other Condensed Matter

Thermoelectric Properties of Polycrystalline NiSi3P4

The Hall and Seebeck coefficients, electrical resistivity and thermal conductivity of polycrystalline NiSi3P4 were characterized from 2 to 775K. Undo…
Jan 12, 2014
Materials Science

Glass-like phonon scattering from a spontaneous nanostructure in AgSb…

Materials with very low thermal conductivity are of high interest for both thermoelectric and optical phase-change applications. Synthetic nanostruct…
Jan 14, 2011
Strongly Correlated Electrons

Absence of static magnetic order in lightly-doped Ti1-xScxOCl down to…

Impurity-induced magnetic order has been observed in many quasi-1D systems including doped variants of the spin-Peierls system CuGeO3. TiOCl is anoth…
Feb 22, 2018
Distributed
Parallel
and Cluster Computing

Pattern-based Modeling of Multiresilience Solutions for High-Performa…

Resiliency is the ability of large-scale high-performance computing (HPC) applications to gracefully handle errors, and recover from failures. In thi…
Jun 10, 2015
Optimization and Control

A Duality Framework for Stochastic Optimal Control of Complex Systems

We address the problem of minimizing the long-run expected average cost of a complex system consisting of interactive subsystems. We formulate a mult…
Jul 12, 2018
Plasma Physics

Analysis of Alfven Eigenmode destabilization in DIII-D high poloidal …

Alfven Eigenmodes are destabilized at the DIII-D pedestal during transient beta drops in high poloidal beta discharges with internal transport barrie…
Dec 06, 2017
Optics

The role of near-field diffraction in photonic nanojet formation

In this paper, we show the photonic nanojet is the central bright maxima in focused near-field diffraction pattern. Using a simplified Huygens-Fresne…
Aug 03, 2018
Strongly Correlated Electrons

Decoupled spin dynamics in the rare-earth orthoferrite YbFeO$_3$: E…

In this paper we present a comprehensive study of magnetic dynamics in the rare-earth orthoferrite YbFeO$_3$ at temperatures below and above the spin…
Aug 15, 2007

Chaoticity Parameter Lambda in Hanbury-Brown Twiss Interferometry

In Hanbury-Brown-Twiss interferometry measurements using identical bosons, the chaoticity parameter lambda has been introduced phenomenologically to …
Dec 10, 2015
Materials Science

Electron-phonon coupling and thermal transport in the thermoelectric …

Phonon properties of $\mathrm{Mo_3Sb_{7-x}Te_x}$ ($x=0,1.5, 1.7$), a potential high-temperature thermoelectric material, have been studied with inela…
May 19, 2014
Optics

Ultrasensitive measurement of MEMS cantilever displacement sensitivit…

The displacement of micro-electro-mechanical-systems (MEMS) cantilevers is used to measure a broad variety of phenomena in devices ranging from force…
Oct 07, 2009
Chemical Physics
Soft Condensed Matter

Van der Waals density functional: an appropriate exchange functional

In this paper, an exchange functional which is compatible with the non-local Rutgers-Chalmers correlation functional (vdW-DF) is presented. This func…
Sep 10, 2014
Pattern Formation and Solitons
Statistical Mechanics

Front propagation in reaction-diffusion systems with anomalous diffus…

A numerical study of the role of anomalous diffusion in front propagation in reaction-diffusion systems is presented. Three models of anomalous diffu…
Feb 02, 2015

Channel Capacity Gain in Entanglement-Assisted Communication Protocol…

Entanglement can effectively increase communication channel capacity as evidenced by dense coding that predicts a capacity gain of 1 bit when compare…
Feb 29, 2016
Numerical Analysis

A Discrete Divergence-Free Weak Galerkin Finite Element Method for th…

A discrete divergence-free weak Galerkin finite element method is developed for the Stokes equations based on a weak Galerkin (WG) method introduced …
Nov 22, 2013
Numerical Analysis

Geometric multigrid for an implicit-time immersed boundary method

The immersed boundary (IB) method is an approach to fluid-structure interaction that uses Lagrangian variables to describe the structure and Eulerian…
Apr 02, 2019
Strongly Correlated Electrons

Deriving models for the Kitaev spin-liquid candidate material $α$-R…

We use the constrained random phase approximation (cRPA) to derive from first principles the Ru-$t_{2g}$ Wannier function based model for the Kitaev …
There aren't more papers

Request Comment

or Invite via email
You are asking your first question!
How to quickly get a good answer:
  • Keep your question short and to the point
  • Check for grammar or spelling errors.
  • Phrase it like a question
Test
Test description