B.Sc. St. Xavier's College, Mumbai, 1997
M.Sc. University of Pune, Pune, 1999
Ph.D. University of Florida, Gainesville, 2006
Manager, Research Computing: Lehigh University, Bethlehem (2014-present)
HPC User Services: Louisiana State University, Baton Rouge (2010-2014)
Postdoctoral Fellow: Indiana University, Bloomington (2006-2010)
Research Assistant: University of Florida, Gainesville (1999-2006)
Teaching Assistant: University of Florida, Gainesville (1999-2003)
Ab-Initio Molecular Dynamics
Wavepacket Dynamics
Spectroscopy
Theoretical Method Development
Scientific Computing
Jul. 2011: 2011 DFT Workshop at Louisiana State University (HPC Support Staff).
Sep. 2011-present: LSU and LONI weekly training (Co-organizer).
Nov. 2011: LONI HPC Workshop at University of Louisiana at Lafayette (Co-organizer).
Feb. 2012: LONI Fortran Programming Workshop at Louisiana State University (Co-organizer).
Mar. 2012: LONI HPC Workshop at Xavier University of Louisiana (Co-organizer).
Jun. 2012: Inaugural High Performance Computing Week at Louisiana State University
Inaugural LONI Parallel Programming Workshop (Co-organizer).
Inaugural High Performance Computing User Symposium (Co-organizer, Symposium Program Editor).
2012 NWChem Workshop (HPC Support Staff).
Jun. 2013: 2nd Annual High Performance Computing Week at Louisiana State University
2nd Annual LONI Parallel Programming Workshop (Co-organizer)
2nd Annual High Performance Computing User Symposium (Co-organizer, Sympoisum Program Editor).
Scientific Visualization with VisIt, Mathematica, and ImageJ (Co-organizer).
Jun. 2014: 3rd Annual High Performance Computing Week at Louisiana State University
3rd Annual LONI Parallel Programming Workshop (Co-organizer).
3rd Annual High Performance Computing User Symposium (Co-organizer, Sympoisum Program Editor).
A. B. Pacheco, S. M. Dietrick, P. S. Stevens and S. S. Iyengar, "Pump-probe atom-centered density matrix propagation studies to gauge anharmonicity and energy repartitioning in atmospheric reactive adducts: Case study of OH + Isoporene and OH + Butadiene reaction intermediates", J. Phys. Chem. A 116, 4108 (2012). (PDF)
S. M. Dietrick, A. B. Pacheco, P. S. Stevens and S. S. Iyengar, "The influence of water on anharmonicity, stability and vibrational energy distribution of hydrogen-bonded adducts in atmospheric reactions: Case study of the OH + Isoprene reaction intermediate using ab-initio Molecular Dynamics", J. Phys. Chem. A 116, 399 (2012). (PDF)
A. B. Pacheco and S. S. Iyengar, "Multi-Stage Ab-initio Quantum Wavepacket Dynamics for Electronic Structure and Dynamics in open systems: Momentum Representation, Coupled Electron Nuclear dynamics and External Fields", J. Chem. Phys. 134, 074107 (2011). (PDF)
A. B. Pacheco and S. S. Iyengar, "A Multi-Stage Ab-initio Quantum Wavepacket Dynamics Formalism for Electronic Structure and Dynamics in Open Systems", J. Chem. Phys. 133, 044105 (2010). (PDF)
D. Vimal, A. B. Pacheco, S. S. Iyengar and P. S. Stevens, "Experimental and theoretical study of the kinetics of the OH + 1,3-butadiene reaction between 263 and 423 K at low pressure", J. Phys. Chem. A 112, 7227 (2008). (PDF)
A. B. Pacheco, B. Thorndyke, A. Reyes, and D. A. Micha, "Quantum dynamics of an excited alkali atom in a noble gas cluster: Lithium attached to a helium cluster", J. Chem. Phys.127, 244504 (2007). (PDF)
A. B. Pacheco, A. Reyes, and D. A. Micha, "First principles dynamics treatment of light emission in alkali atom-noble gas atom collisions around 10 keV", Phys. Rev. A 74, 062714 (2006). (PDF)
A. B. Pacheco, A. Reyes, and D. A. Micha, "Light absorption during alkali atom-noble gas atom interactions at thermal energies: A quantum dynamics treatment", J. Chem. Phys. 125, 154313 (2006). (PDF)
First Principles Dynamics of Transient Light Absorption and Emission of Alkali Atoms Interacting with Rare Gas Atoms, Ph. D. Thesis, University of Florida (2006). (PDF)
A. B. Pacheco and S. S. Iyengar, A Multi-Stage Ab-initio Quantum Wavepacket Dynamics Formalism for Electronic Structure and Dynamics in Open Systems. 42nd MidWest Theoretical Chemistry Conference, West Lafayette, IN (2010). (Abstract) (Poster)
A. B. Pacheco and S. S. Iyengar, Quantum Wavepacket Ab-initio Molecular Dynamics Formalism for Calculating Electron Transport in Molecular Wires. American Conference on Theoretical Chemistry Conference, Evanston, IL. (2008). (Abstract) (Poster)
S. M. Dietrick, A. B. Pacheco and S. S. Iyengar, Study of the reactivity of OH radical adducts with isoprene in gas phase and adsorbed on an aerosol using Ab-Initio Molecular Dynamics. American Conference on Theoretical Chemistry Conference, Evanston, IL. (2008). (Abstract) (Poster)
A. B. Pacheco and S. S. Iyengar, Quantum Wavepacket Ab-initio Molecular Dynamics Formalism for Calculating Electron Transport in Molecular Wires. 40th MidWest Theoretical Chemistry Conference, Ann Arbor, MI. (2008). (Abstract) (Poster)
S. M. Dietrick, A. B. Pacheco and S. S. Iyengar, Study of the reactivity of OH radical adducts with isoprene in gas phase and adsorbed on an aerosol using Ab-Initio Molecular Dynamics. 40th MidWest Theoretical Chemistry Conference, Ann Arbor, MI. (2008). (Abstract) (Poster)
A. B. Pacheco and S. S. Iyengar, Quantum Wavepacket Ab-initio Molecular Dynamics Formalism for Calculating Electron Transport in Molecular Wires. 39th MidWest Theoretical Chemistry Conference, Bloomington, IN. (2007). (Abstract) (Poster)
A. B. Pacheco and D. A. Micha, Light Emission during Interactions of an Excited Alkali Atom inside or at the surface of a Noble Gas Atom Cluster: A Density Matrix Treatment. 46th Sanibel Symposium, St. Simon's Island, GA. (2006). (Abstract) (Poster)
A. B. Pacheco and D. A. Micha, Calculation of Light Absorption Intensities during Alkali Atom - Noble Gas Atom Interactions from a First Principles Dynamics. 45th Sanibel Symposium, St. Simon's Island, GA. (2005). (Abstract) (Poster)
A. B. Pacheco and D. A. Micha, Dynamics of Light Emission during Alkali Atom - Rare Gas Atom Interactions: From Atom-Atom Collisions to Interactions in Clusters. 44th Sanibel Symposium, St. Augustine, FL. (2004). (Abstract) (Poster)
A. Reyes, D. A. Micha and A. Pacheco, First Principles Quantum Dynamics of Electronic Excitation and Spin-Orbit Recoupling in Alkali-Noble Gas Atom Interactions. 43rd Sanibel Symposium, St. Augustine, FL. (2003).
A. B. Pacheco and D. A. Micha, Electronic State-to-State Collision Cross Sections using Transition Integrals. 42nd Sanibel Symposium, St. Augustine, FL. (2002). (Abstract) (Poster)
A. B. Pacheco, A Multi-Stage Ab-initio Wavepacket Dynamics Formalism for Electronic Structure and Dynamics in Open Systems. Center for Computation and Technology, Louisiana State University, June 10 (2010). (Abstract) (Slides)
A. B. Pacheco and S. S. Iyengar, A Multi-Stage Ab-initio Wavepacket Dynamics Formalism for Electron Dynamics in Open Systems. 41st MidWest Theoretical Chemistry Conference. Carbondale, IL. (2009). (Abstract) (Slides)
D. A. Micha, A. Leathers, A. Pacheco, A. Sudhyadhom and B. R. Thorndyke. Dissipative Femtosecond Dynamics of Electronically Excited Systems: A Density Matrix Approach. Amer. Chem. Soc. National Meeting, Atlanta, Ga. (2006).
D. A. Micha, A. Reyes, A. Pacheco and B. Thorndyke, Time-Propagation of the Quantum-Classical Density Matrix for Electronically Excited Molecular Systems. Amer. Chem. Soc. National Meeting, Anaheim, Ca. (2004).
A. Reyes, D. A. Micha and A. Pacheco, Electronic Excitation and Spin-Orbit Recoupling Cross Sections for Alkali-Atom/Noble Gas-Atom Collisions from a First Principles Quantum Dynamics. Amer. Phys. Soc. DAMOP Meeting, Boulder, Co. (2003).