Research Interests

• Developing machine-learned interparticle interaction potentials and phenomenological models
• Multiscale modeling for particle-based simulations
• Understanding reaction-driven carbon condensation under extreme conditions
• Elucidating the effects of aging on energetic and polymeric materials
• Understanding microstructure, energetics and dynamic behavior at interfaces

Ph.D. Chemical Physics, University of Minnesota Twin Cities, 2016

M.S. Chemical Physics, University of Minnesota Twin Cities, 2012

B.S. Chemical Engineering, Wayne State University, 2010

(asterisk indicates corresponding author)

• R.K. Lindsey*, C.H. Pham, N. Goldman, S. Bastea, L.E. Fried, "Machine-Learning a Solution for Reactive Atomistic Simulations of Energetic Materials", Invite-only Special Issue: Molecular Dynamics in Energetic Materials Research," Propellants Explos. Pyrotech., e202200001 (2022).
• C.H. Pham*, R.K. Lindsey, L.E. Fried, N. Goldman "High Accuracy Semi-Empirical Quantum Models Based on a Minimal Training Set", J. Phys. Chem. Lett., 13, 2934 (2022).
• R.K. Lindsey*, N. Goldman, L.E. Fried, S. Bastea, "Chemistry-Mediated Ostwald Ripening in Carbon-Rich C/O systems at Extreme Conditions", Nat. Commun., 13, 1424 (2022).
• K.E. Kweon, B. Sadigh, T.W. Heo, R.K. Lindsey, C.H. Pham, L.E. Fried, K. Holliday, J.R. Jeffries, B.C. Wood, B. Aradi, N. Goldman*, "Semi-Automated Creation of DensityFunctional Tight Binding Models Through Leveraging Chebyshev Polynomial-based Force Fields", J. Chem. Theory Comput., 17, 4435-4448 (2021).
• R.K. Lindsey*, S. Bastea, N. Goldman, L.E. Fried, "Investigating 3,4-bis(3-nitrofurazan-4-yl)furoxan Detonation with a Rapidly Tuned Density Functional Tight Binding Model", J. Chem. Phys 154, 164115 (2021).
• C.H. Pham*, R.K. Lindsey, L.E. Fried, N. Goldman, "Calculation of the Detonation State of HN3 with Quantum Accuracy", J. Chem. Phys. 153, 224102 (2020).
• R.K. Lindsey*, L.E. Fried, N. Goldman, S. Bastea, "Active Learning for Robust, High-Complexity Reactive Atomistic Simulations", Special issue: Machine Learning Meets Chemical Physics," J. Chem. Phys. 153, 134117 (2020).
• R.K. Lindsey*, N. Goldman, L.E. Fried, S. Bastea, "Development of the ChIMES Force Field for Reactive Molecular Systems: Carbon Monoxide at ExtremeConditions", J. Chem. Phys. 153, 054103 (2020).
• A. Maitia*, A. Venkat, G.D. Kosiba, W.L. Shaw, J.D. Sain, R.K. Lindsey, C.D. Grant, P.-T. Bremer, A.G. Gyulassy, V. Pascucci, R.H. Gee*, “Topological analysis of X-ray CT data for the recognition and trending of subtle changes in microstructure under material aging,” Comput. Mater. Sci. 182, 109782 (2020).
• M.R. Armstrong*, R.K. Lindsey*, N. Goldman, M.H. Nielsen, E. Stavrou, L.E. Fried, J.M. Zaug, S. Bastea*, “Ultrafast shock synthesis of nanocarbon from a liquid precursor,” Nat. Commun. 11, 353 (2020).
• M.P. Kroonblawd*, N. Goldman, R.K. Lindsey, “Synthesis of Nitrogen-containing Polycyclic Aromatic Hydrocarbons in Impacting Glycine Solutions,” Chem. Sci., 10, 6091-6098 (2019).
• R.K. Lindsey*, L.E. Fried, N. Goldman, “Application of the ChIMES Force Field to Non-Reactive Molecular Systems: Water at Ambient Conditions,” J. Chem. Theory Comput., 15, 436-447 (2019).
• R.K. Lindsey, M.P. Kroonblawd, L.E. Fried, N. Goldman*,“Force Matching Approaches to Extend Density Functional Theory to Large Time and Length Scales,” In Computational Approaches for Chemistry Under Extreme Conditions, 71-93, Springer, Cham, (2019).
• N. Goldman*, B. Aradi, R.K. Lindsey, and L.E. Fried, “Development of a Multi-center Density Functional Tight Binding Model for Plutonium Surface Hydriding,” J. Chem. Theory Comput., 14, 2652-2660 (2018).
• R.K. Lindsey*, L.E. Fried, N. Goldman, “ChIMES: A Force Matched Potential with Explicit Three-Body Interactions for Molten Carbon,”  J. Chem. Theory Comput., 13, 6222-6229 (2017).
• R.K. Lindsey*, D.R. Stoll, P.W. Carr, J.I. Siepmann, “Column Selection for Comprehensive Two-Dimensional Liquid Chromatography using the Hydrophobic Subtraction Model,”  J. Chromatogr. A, 1589, 47-55 (2018).
• M. Minkara, R.K. Lindsey, R. Hembree, C. Venteicher, S. Jamadagni,D. Eike, A. Ghobadi, P. Koenig, J.I. Siepmann*, “Probing Additive Loading in the Lamellar Phase of a Nonionic Surfactant: Gibbs Ensemble Monte Carlo Simulations using the SDK Force Field,” Langmuir, 34, 8245-8254 (2018).
• R.K. Lindsey, J.L. Rafferty, B.L. Eggimann, J.I. Siepmann*, M.R. Schure, “Molecular Dynamics and Monte Carlo Simulations of Reversed-phase Liquid Chromatography,” J. Chromatogr. A, 1287, 60-82 (2013).

• 2019: Physical and Life Sciences Directorate Research Award
• 2018: Springer Poster Prize; Foundations of Molecular Modeling and Simulations Meeting
• 2016: Colloids Division Poster Prize; American Chemical Society National Meeting
• 2015: J. Mater. Chem. Poster Prize; Foundations of Molecular Modeling & Simulation Meeting
• 2012: National Science Foundation Pan-American Advanced Studies Institute Award
• 2009: WSU Ernest B. Drake Leadership Scholarship
• 2008 and 2009: WSU Honors College Research Grant Recipient