Charles D. Brown II

Charles D. Brown II's picture
Assistant Professor of Physics
He/him/his
Starting at Yale in January 2023
Research Areas: 
Atomic, Molecular & Optical Physics; Condensed Matter Physics; Quantum Physics
Research Type: 
Experimentalist
Current Projects: 

Ultracold atomic physics in optical lattices

Biographical Sketch: 

Charles D. Brown II is an Assistant Professor of Physics at Yale University. He received his undergraduate degree from the University of Minnesota and his Ph.D. from Yale. As a graduate student in Jack Harris’ group, Charles performed experiments with superfluid-helium-filled optical cavities and constructed and characterized a new experiment for studying magnetically levitated drops of superfluid helium in vacuum. Charles was a postdoctoral fellow at the University of California, Berkeley, where he worked with Dan Stamper-Kurn on experiments with ultracold atomic gasses trapped in optical lattices. Charles joined the Yale Department of Physics in 2023.

Research : 

Professor Brown aims to study single-, few-, and many-body quantum physics by conducting quantum simulation experiments. Quantum simulations are realizations of complex quantum systems for the purpose of understanding their ordered phases and dynamics. His group traps ultracold atoms in optical lattice potentials (an ultracold atom quantum simulator), which is the spatially periodic potential the atoms experience in the intensity standing wave of several intersecting lasers. In doing so, the Brown group aims to learn about exotic order phases of ultracold bosons and fermions in optical lattices, how transport works in lattices with unusual geometry (e.g., a “lattice” that lacks translational symmetry), and what role topology plays in the quantum behavior of bosons and fermions in such unusual lattices

Education: 
Ph.D. 2019, Yale University; B.S. (cum laude), The University of Minnesota, 2013
Honors & Awards: 
  • Quantum Creators Prize, 2021
  • National Academies Ford Foundation Postdoctoral Fellowship, 2019
  • National Academies Ford Foundation Dissertation Fellowship, 2018
Selected Publications: 
  • C. D. Brown, S. W. Chang, M. N. Schwarz, V. Kozii, A. Avdoshkin, T. H. Leung, J. E. Moore, D. M. Stamper-Kurn, “A Direct Geometric Probe of Singularities in Band Structure” arXiv:2109.03354 arXiv:2109.03354 (2021)
  • C. D. Brown, Y. Wang, M. Namazi, G. I. Harris, M. Uysal, J. G. E. Harris, “Characterization of Levitated Superfluid Helium Drops in High Vacuum” arXiv:2109.05618 (2021)
  • T. H. Leung, M. N. Schwarz, S. W. Chang, C. D. Brown, G. Unnikrishnan, D. Stamper-Kurn, “Interaction-Enhanced Group Velocity of Bosons in the Flat Band of an Optical Kagome Lattice”, Phys. Rev. Lett. 125, 133001 (2020)
  • A. B. Shkarin, A. D. Kashkanova, C. D. Brown, S. Garcia, K. Ott, J. Reichel, J. G. E. Harris, “Quantum optomechanics in a liquid” Phys. Rev. Lett 122 153601 (2019)
  • A. D. Kashkanova, A. B. Shkarin, C. D. Brown, N. E. Flowers-Jacobs, L. Childress, S. W. Hoch, L. Hohmann, K. Ott, J. Reichel, J. G. E. Harris. “Superfluid Brillouin Optomechanics” Nature Physics 13, 74-79 (2017)