I’m an Associate Professor in the Department of Physics at the University of Portland, Oregon.


In Fall 2021, I'm teaching PHY 204 General Physics and PHY/MTH 356 Mathematical Methods.


My research is in quantum theory, with a focus on quantum measurement, quantum optics, and quantum decoherence.

Selected recent publications:

I’m author and editor of two books on quantum theory:

  • Elegance and Enigma: The Quantum Interviews (Springer, 2011) features interviews with physicists and philosophers about the deep questions of quantum theory.
    “A delight.” —D. Rickles, Mathematical Reviews
  • Decoherence and the Quantum-to-Classical Transition (Springer, 2007) is a textbook covering all aspects of decoherence, from technical to philosophical.
    “Excellent.” —E. Merzbacher, Physics Today
    “Thorough and readable.” —A. Zeilinger, Nature
    “Highly recommended.” —N. P. Landsman, Studies
    “A must-have.” —C. Kiefer, Physik-Journal

Other activities

I’m a Series Editor for the Springer series The Frontiers Collection and Quantum Science and Technology; member of the editorial board of the journals Quanta and International Journal of Quantum Foundations; and member of the Foundational Questions Institute.