List of Publications

11. Gupta, A., Hammer, D., & Redish, E. F. (In Preparation).
       Variability in Learners' Ontologies in Physics: A Toy Model (Working Title).
      To be submitted to Cognition and Instruction.


10. Gupta, A., Hammer, D., & Redish, E. F. (Under Review).
      The Case for a Dynamic Model of Expert and Novice Ontologies in Physics.
      The Journal of the Learning Sciences. Under review. [Preprint-PDF]


9. Gupta, A., Hammer, D., & Redish, E. F. (2008).
     Towards a Dynamic Model of Learners' Ontologies in Physics.
     Proceedings of the International Conference for the Learning Sciences, Issue 8 [ISSN: 1814-9316].


8. Gupta, A., Redish, E. F., & Hammer, D. (2007).
     Coordination of Mathematical and Physcial Resources by Physics Graduate Students.
     AIP Conf. Proc. 951, 104-107. 2007 Physics Education Research Conference. [PDF]


7. Conlin, L., Gupta, A., Scherr, R., & Hammer, D. (2007).
     The Dynamics of Students' Behaviors and Reasoning during Collaborative Physics Tutorial Sessions.
     AIP Conf. Proc. 951, 69-72. 2007 Physics Education Research Conference. [PDF]


6. Palastro, J. P., Antonsen, T. M., & Gupta, A. (2007).
     Dielectric Properties of Laser Exploded Clusters.
     Physics of Plasmas, 14, 033105.


5. Gupta, A., Antonsen, T. M., Palastro, J., Taguchi, T., & Milchberg, H. M. (2006).
     Effect of Pulse Width on Resonant Heating of Laser-Irradiated Argon and Deuterium Cluster.
     Physical Review E, 74, 046408.


4. Antonsen, T. M., Gupta, A., Palastro, J. P., Milchberg, H. M., & Taguchi, T. (2005).
     Resonant Heating of a Cluster Plasma by Intense Laser Light.
     Physics of Plasmas, 12, 056703.


3. Kim, K., Alexeev, I., Antonsen, T. M., Gupta, A., Kumarappan, V., & Milchberg, H. M., (2005).
     Spectral Redshifts in Intense Laser-Cluster Interaction.
     Physical Review A, 71, 011201(R).


2. Gupta, A., Antonsen, T. M., & Milchberg, H. M. (2004).
     Propagation of Intense Short Laser Pulses in a Gas of Atomic Clusters",
     Physical Review E, 70, 046410.


1. Kim, K., Alexeev, I., et. al. (2004).
     Gases of Exploding Laser-heated Cluster Nanoplasmas as a Nonlinear Optical Medium.
     Physics of Plasmas, 11, 2882.

Understanding Student Difficulties in Learning Physics
  Classroom Readiness for STEM Volunteers Program: Seminar Series
  Northop Grumman, Linthicum, MD. November, 2008.

Expert-Novice Ontologies in Physics
  Illinois Physics Education Research Group,
  University of Illinois, Urbana-Champaign, IL. April, 2008.

Expert-Novice Ontologies in Physics
  Education Research Collaborative(ERC) at TERC,
  Cambridge, MA. March, 2008.

Interaction of Atomic and Molecular Clusters with Intense Laser Pulses
  Tech-X Corporation,
  Boulder, CO. July, 2006

Interaction of Atomic and Molecular Clusters with Intense Laser Pulses
  Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University,
  Baltimore, MD. April, 2006.

Interaction of Atomic and Molecular Clusters with Intense Laser Pulses
  Laboratory of Biological Modeling, NIDDK, National Institutes of Health,
  Bethesda, MD. February, 2006.

Novice Ontologies in Physics
  Ayush Gupta, David Hammer, & Edward F. Redish
  AAPT 2008 Summer Meeting, Edmonton, Canada, July 2008.

Towards a Dynamic Model of Learners' Ontologies in Physics
  Ayush Gupta, David Hammer, & Edward F. Redish
  International Conference for the Learning Sciences, Utrecht, Netherlands, June 2008.

Case Studies in Learners' Ontologies in Physics
  Ayush Gupta, David Hammer, & Edward F. Redish
  AAPT 2008 Winter Meeting, Baltimore, MD, January 2008.

Student Models of Electric Current: An Ontological Analysis.
  Ayush Gupta, Edward F. Redish, & David Hammer
  AAPT 2007 Summer Meeting, Greensboro, NC, July 2007.

Revisiting the Ontological Characterization of Physics Concepts.
  Edward F. Redish, Ayush Gupta, & David Hammer
  AAPT 2007 Summer Meeting, Greensboro, NC. (AAPT 2007 Program Guide, BE11, pp. 57)

Students' Patterns of Reasoning and Behavior During Physics Tutorials.
  Luke D. Conlin, Ayush Gupta, Rachel E. Scherr, & David Hammer
  AAPT 2007 Summer Meeting, Greensboro, NC. (AAPT 2007 Program Guide, BE02, pp. 56.)

An Example of Multiple Mathematical Justifications in Student Thinking.
  Thomas Bing, Ayush Gupta, & Edward F. Redish,
  AAPT 2007 Summer Meeting, Greensboro, NC. (AAPT 2007 Program Guide, EF04, pp. 88.)

Intense laser cluster Interaction: Quasi-monoenergetic high energy ion production
  Ayush Gupta, Thomas Antonsen, J. P. Palastro, & T. Taguchi
  American Physical Society, 48th Ann. Meeting of the Division of Plasma Physics, Philadelphia, Nov. 2006.

Laser-irradiated Atomic Clusters: Resonant Heating, High Energy Ions and Fusion Yield
  Ayush Gupta,J. P. Palastro, Thomas Antonsen, H. Milchberg, & T. Taguchi
  33rd IEEE International Conference on Plasma Science, Traverse City, MI, Jun. 2006.

Linear Absorption Mechanisms in a Laser Exploded Cluster
  J. P. Palastro, Thomas Antonsen, & Ayush Gupta
  33rd IEEE International Conference on Plasma Science, Traverse City, MI, Jun. 2006.

Intense Laser-Cluster Interaction: Effect of Hot Electrons on Propagation and Studies with Longer Pulse widths
  Ayush Gupta, Thomas Antonsen, T. Taguchi, J. Palastro, & H. Milchberg
  American Physical Society, 47th Ann. Meet. of Division of Plasma Physics, Denver, CO, Oct. 2005.

Dielectric Response of a Laser-Exploded Cluster to a Perturbing Field
  J. P. Palastro, Thomas Antonsen, & Ayush Gupta
  American Physical Society, 47th Ann. Meet. Of Division of Plasma Physics, Denver, CO, Oct. 2005.

Signatures of Non-linear Resonance in Laser Irradiated Cluster Plasma
  Ayush Gupta, Thomas Antonsen, J. P. Palastro, T. Taguchi, & H. M. Milchberg
  American Physical Society, 46th Ann. Meet. Of Division of Plasma Physics, Savannah, GA, Nov. 2004.

Dielectric Properties of Laser Exploded Clusters
  J. P. Palastro, Thomas Antonsen, & Ayush Gupta
  American Physical Society, 46th Ann. Meet. Of Division of Plasma Physics, Savannah, GA, Nov. 2004

Resonant Heating of a Cluster Plasma by Intense Laser Light
  T. Taguchi, T. Antonsen, A. Gupta, & H. Milchberg
  Conference on Lasers and Electro-Optics/International Quantum Electronics Conference (CLEO/IQEC), San Francisco, CA, May 2004.

Linear Absorption Mechanisms in a Laser Exploded Cluster
  J. P. Palastro, Thomas Antonsen, & Ayush Gupta
  33rd IEEE International Conference on Plasma Science, Traverse City, MI, Jun. 2006.

Self-Guiding and Frequency Shifts of Intense Laser Pulses Propagating in Clustered Gases
  K. Y. Kim, V. Kumarappan, A. Gupta, T. Antonsen, H. Milchberg, A. Faenov, & T. Pikuz
  Conference on Lasers and Electro-Optics/International Quantum Electronics Conference (CLEO/IQEC), San Francisco, CA, May 2004.

Interaction of Intense Short Laser Pulse with Cluster Plasma
  Ayush Gupta, T. Taguchi, Thomas Antonsen, & H. Milchberg
  34th Anomalous Absorption Conference, Gleneden Beach, OR, May 2004.

Propagation of Intense Short Laser Pulses in Gases of Atomic Clusters
  Ayush Gupta, Thomas Antonsen, & H. Milchberg
  American Physical Society, 45th Ann. Meet. of Division of Plasma Physics, Albuquerque, NM, Oct. 2003.

Self-Phase Modulation and Coupling of Intense Laser Pulses into Plasma Waveguides Produced in Clustered Gases
  K. Y. Kim, H. Milchberg, V. Kumarappan, I. Alexeev, A. Gupta, T. M. Antonsen
  American Physical Society, 45th Ann. Meet. of Division of Plasma Physics, Albuquerque, NM, Oct. 2003.

Resonant Heating of a Cluster Plasma by Intense Laser Light
  T. Antonsen, T. Taguchi, A. Gupta, H. Milchberg
  American Physical Society, 45th Ann. Meet. of Division of Plasma Physics, Albuquerque, NM, Oct. 2003.

Gupta, A., Hammer, D., & Redish, E. F. (2009).
  Ontology of Physics Concepts: Variability and Local Coherences.
  AERA 2009 Annual Meeting, San Diego, CA.

Gupta, A., Redish, E. F., & Hammer, D. (2008).
  Ontology of Physics Concepts: A Toy Model.
  2008 Physics Education Research Conference, Edmonton, Canada.

Gupta, A., Redish, E. F., & Hammer, D. (2008).
  Case Studies in Learners' Ontologies in Physics.
  AAPT 2008 Winter Meeting, Baltimore, MD.

Conlin, L., Gupta, A., Scherr, R., & Hammer, D. (2008).
  Framing and Reasoning in Tutorials over the course of a semester.
  AAPT 2008 Winter Meeting, Baltimore, MD.

Gupta, A., Redish, E. F., Hammer, D. (2007).
  Coordination of Mathematical and Physical Resources by Physics Graduate Students.
  2007 Physics Education Research Conference, Greensboro, NC.

Redish, E. F., Gupta, A., & Hammer, D. (2007).
  Towards a Dynamic Model of Expert and Novice Ontologies in Physics.
  2007 Physics Education Research Conference, Greensboro, NC.

Conlin, L., Gupta, A., Scherr, R., & Hammer, D. (2007).
  The Dynamics of Students' Behaviors and Reasoning during Collaborative Physics Tutorial Sessions.
& nbsp; AAPT 2007 Summer Meeting & 2007 Physics Education Research Conference, Greensboro, NC.

Bing, T., Gupta, A., & Redish, E. F. (2007).
  Different Types of Mathematical Justification in Upper Level Physics.
  AAPT 2007 Summer Meeting & 2007 Physics Education Research Conference, Greensboro, NC.

Redish, E. F., Gupta, A., & Hammer, D. (2007).
  Towards a Dynamic Model of Expert and Novice Ontologies in Physics.
  Foundations and Frontiers in Physics Education Research Conference, Bar Harbor, ME.

Antonsen, T. M., Gupta, A., et. al. (2004).
  Gases of Exploding Clusters as a Nonlinear Optical Medium.
  31st IEEE International Conference on Plasma Science, Baltimore, MD.

Gupta, A., Antonsen, T. M., et. al. (2003)
  Self Focusing in Cluster Plasma.
  Conference on Lasers and Electro-Optics/International Quantum Electronics Conference (CLEO/IQEC), Baltimore, MD.

Gupta, A., Antonsen, T. M., et. al. (2002).
  Self Focusing in Cluster Plasma.
  American Physical Society, 44th Annual Meeting of the Division of Plasma Physics, Orlando, FL.

Gupta, A., Antonsen, T. M., & Milchberg, H. M. (2001).
  Self Focusing in Cluster Plasma.
  American Physical Society, 43rd Annual Meeting of the Division of Plasma Physics, Long Beach, CA.