Publications and Research Summaries of Chris Orban!

curriculum vitae and contact information

Ngirmang, G. K., Orban, C., Feister, S., Morrison, J. T., Frische, K., Chowdhury, E. A., Roquemore, W. M. "3D PIC Simulations of Electron Beams Created via Reflection of Intense Laser Light from a Water Target"

Feister, S., Austin, D. R., Morrison, J. T., Frische, K. D., Orban, C., Ngirmang, G., Handler, A. , Schillaci, M., Chowdhury, E. A., Freeman, R. R., Roquemore, W. M. ``MeV Electrons accelerated backward along laser axis from low energy, high intensity laser-water interactions''

Open Source Arduino-based Pressure and Temperature Sensor for Introductory Physics Labs -- Project by Josh Simmerson Source code available here

Orban, C., Ngirmang, G., Schillaci, M. "Enriching Introductory Physics Courses with Programming Exercises using Classic Video Games" Presentation at Increasing STEM Student Success in Higher Education meeting. Otterbein University. May 2015

Morrison, J. T., Chowdhury, E. A., Frische, K. D., Feister, S., Ovchinnikov, V. M., Nees, J. A., Orban, C., Freeman, R.R., and Roquemore, W.M. "Backward-propagating MeV electrons from 10^18 W/cm^2 laser interactions with water"

Bailey et al. "A higher than predicted measurement of iron opacity at solar interior temperatures" Nature 2015

M. Storm, B. Eichman, C. Orban, S. Jiang, G. Fiksel, C. Stoeckl, G. Dyer, T. Ditmire, R. Stephens, W. Theobald, J. A. Delettrez, R. R. Freeman, K. Akli; "Kalpha x-ray imaging of laser-irradiated, limited-mass foils" Phys. Plasmas 21, 072704 (2014)

Feister, S., Nees, J. A., Morrison, J. T., Frische, K. D., Orban, C., Chowdhury, E. A., and Roquemore, W. M. "A Novel Femtosecond-Gated, High-Resolution, Frequency-Shifted Shearing Interferometry Technique for Probing Pre-Plasma Expansion in Ultra-Intense Laser Experiments" (accepted to RSI)

Orban, C., Morrison, J. T., Chowdhury, E. D., Nees, J. A., Frische, K., Feister, S., and Roquemore, W. M. "Backward-Propagating MeV Electrons in Ultra-Intense Laser Interactions: Standing Wave Acceleration and Coupling to the Reflected Laser Pulse"

Orban, C. "Cosmological Perturbation Theory as a Tool for Estimating Box-Scale Effects in N-body Simulations" (accepted to Phys. Rev. D.)

Orban, C., Fatenejad, M., Chawla, S., Wilks, S. C., and Lamb, D. Q. "A Radiation-Hydrodynamics Code Comparison for Laser-Produced Plasmas: FLASH versus HYDRA and the Results of Validation Experiments"

Storm, M., Jiang, S., Wertepny, D., Orban, C., et al. "Fast neutron production from lithium converters and laser driven protons" (Physics of Plasmas, 2013)

Orban, C "Keeping it Real: Revisiting a Real-Space Approach to Running Ensembles of Cosmological N-body Simulations" (JCAP, 2013)

Akli, K. U., Orban, C., Schumacher, D., Storm, M., Fatenejad, M., Lamb, D., Freeman, R. R. "Coupling of high-intensity laser light to fast electrons in cone-guided fast ignition" (Phys. Rev. E, 2012)

Powerlaws, Bumps and Wiggles: Self-similar Models in the Era of Precision Cosmology (Ph.D. Thesis, 2011)

Orban, C. and Weinberg, D.H. "Self-Similar Bumps and Wiggles: Isolating the Evolution of the BAO Peak using Powerlaw Initial Conditions" (Phys. Rev. D accepted, 2011)

Gadget2/LANL IC Code Comparsion Mini-Project -- includes source code! posted Fall 2008.

Orban, C., "The Clustering of Dark Matter in LambdaCDM on Scales Both Large and Small", Ph.D. candidacy exam presentation, May 2008.

Orban, C., "The Clustering of Dark Matter in LambdaCDM on Scales Both Large and Small", Ph.D. candidacy exam report, May 2008.

Orban, C., Gnedin, O.Y., Weisz, D.R., Skillman, E.D., Dolphin, A.E., & Holtzman, J.A. "Delving Deeper into the Tumultuous Lives of Galactic Dwarfs: Modeling Star Formation Histories", preprint (arXiv:0805.1058), ApJ accepted.

Orban, C. "Delving Deeper into the Tumultuous Lives of Galactic Dwarfs: Modeling Star Formation Histories" A talk presented at the Hayes Graduate Research Forum at Ohio State University, April 2008.

Orban, C.M. "Modeling Star Formation Histories of Local Group Dwarfs" A talk presented at the "Globular Clusters - Dwarf Galaxies Connection" workshop in Ann Arbor, Michigan, 2007.

Orban, C.M. 2006, "Parallel Implementation of a 2-D LLF Hydrodynamics Code." CSE 721 Class Project, The Ohio State University.

MPEG movie of the explosion test problem used in "Parallel Implementation of a 2-D LLF Hydrodynamics Code."

Orban, C.M., 2005, "Modelling Protogalactic Collapse and Magnetic Field Evolution with FLASH." Undergraduate senior thesis, University of Illinois at Urbana-Champaign.

Visualizations of the 2-D bow shock simulation in Orban (2005) and Orban and Ricker (2004)

Li, H., Shengtai, L., Koller, J., Wendroff, B.B., Liska, R., Orban, C.M., Liang, E.P.T., and Lin, D.N.C., ''Potential Vorticity Evolution Produced by an Embedded Protoplanet,'' 2005, ApJ, 624, 1003.

Orban, C.M. 2004, ''Further Investigations of Disk Dynamics with an Embedded protoplanet.'' A summary of summer research with Dr. Hui Li, Los Alamos National Laboratory.

Orban, C.M. and P.M. Ricker, "Modelling Protogalactic Collapse and Magnetic Field Evolution with FLASH." 2004, BAAS, 36, 1499.

Orban, C.M. 2004, ''Modeling Protogalactic Collapse and Magnetic Field Evolution with FLASH.'' Preliminary summer research report, University of Illinois Urbana-Champaign.

Orban, C.M. 2003, ''Detection of Atmospheric Infrasound.'' A report of work accomplished for the independent project for Physics 403 Modern Experimental Physics.

Langston, G.I., Orban, C.M., and T.S. Bastian, ''A Search for Cyclotron Maser Emission from Extra-Solar Planets.'' 2002, BAAS, 34, 1176.