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Fundamental and Computational Sciences Directorate

Staff information

Ken Roche

High Performance Computing
Scientist

PNNL Publications

2015

  • Nandipati G, W Setyawan, HL Heinisch, KJ Roche, RJ Kurtz, and BD Wirth. 2015. "Displacement cascades and defect annealing in tungsten, Part II: Object kinetic Monte Carlo Simulation of Tungsten Cascade Aging." Journal of Nuclear Materials 462:338-344.  doi:10.1016/j.jnucmat.2014.09.067
  • Nandipati G, W Setyawan, HL Heinisch, KJ Roche, RJ Kurtz, and BD Wirth. 2015. "Displacement cascades and defect annealing in tungsten, Part III: The sensitivity of cascade annealing in tungsten to the values of kinetic parameters." Journal of Nuclear Materials 462:345-353.  doi:10.1016/j.jnucmat.2015.01.059
  • Setyawan W, G Nandipati, KJ Roche, HL Heinisch, BD Wirth, and RJ Kurtz. 2015. "Displacement cascades and defects annealing in tungsten, Part I: defect database from molecular dynamics simulations." Journal of Nuclear Materials 462:329-337.  doi:10.1016/j.jnucmat.2014.12.056
  • Setyawan W, G Nandipati, KJ Roche, RJ Kurtz, and BD Wirth. 2015. "MOLECULAR DYNAMICS OF CASCADES OVERLAP IN TUNGSTEN WITH 20-KEV PRIMARY KNOCK-ON ATOMS." Chapter 8.1 in Fusion Reactor Materials Semiannual Progress Report for the Period Ending December 31, 2014, vol. 57; DOE/ER-0313/57, pp. 156-159.  Oak Ridge National Laboratory, Oak Ridge, TN. 

2013

  • Setyawan W, G Nandipati, KJ Roche, HL Heinisch, RJ Kurtz, and BD Wirth. 2013. "DISPLACEMENT CASCADE SIMULATION IN TUNGSTEN AT 1025 K." Chapter 8.6 in Fusion Materials Semiannual Progress Report for the Period Ending June 30, 2013, vol. 54; DOE/ER-0313/54, pp. 200-204.  Oak Ridge National Laboratory, Oak Ridge, TN. 
  • Setyawan W, G Nandipati, KJ Roche, HL Heinisch, RJ Kurtz, and BD Wirth. 2013. "HELIUM EFFECTS ON DISPLACEMENT CASCADE IN TUNGSTEN." Chapter 8.8 in Fusion Materials Semiannual Progress Report for the Period Ending June 30, 2013, vol. 54; DOE-ER-0313/54, pp. 223-227.  Oak Ridge National Laboratory, Oak Ridge , TN. 

2012

  • Bulgac A, YL Luo, and KJ Roche. 2012. "Quantum Shock Waves and Domain Walls in the Real-Time Dynamics of a Superfluid Unitary Fermi Gas." Physical Review Letters 108(15):Article No. 150401.  doi:10.1103/physrevlett.108.150401
  • Nam HA, M Stoitsov, W Nazarewicz, A Bulgac, G Hagen, M Kortelainene, P Maris, J Pei, KJ Roche, N Schunck, I Thompson, J Vary, and S Wild. 2012. "UNEDF: Advanced Scienti?c Computing Collaboration Transforms the Low-Energy Nuclear Many-Body Problem ." Journal of Physics: Conference Series 402(1):Article No. 012033.  doi:10.1088/1742-6596/402/1/012033

2011

  • Bulgac A, YL Luo, P Magierski, KJ Roche, and Y Yu. 2011. "Real-Time Dynamics of Quantized Vortices in a Unitary Fermi Superfluid." Science 332(6035):1288-1291.  doi:10.1126/science.1201968
  • Stetcu I, A Bulgac, P Magierski, and KJ Roche. 2011. "Isovector Giant Dipole Resonance from the 3D Time-Dependent Density Functional Theory for Superfluid Nuclei." Physical Review. C, Nuclear Physics 84(5):Article No. 051309(R).  doi:10.1103/PhysRevC.84.051309

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