My group uses precision measurements to study the nature of physical laws. Our current projects mainly involve looking for physics beyond the Standard Model.

Recent work

  1. Sensing T-violating nuclear moments of paramagnetic ions in crystals
    arXiv:2603.24907 (2026)
  2. Detecting dark matter using Rydberg atoms
    Phys. Rev. Lett. (2026)
  3. Wideband search for dark matter using ONIX
    Phys. Rev. Lett. (2026)
  4. What is a Schiff moment anyway?
    Eur. J. Phys. (2026)
  5. Collisional frequency shifts in Sr+ optical clocks
    Phys. Rev. A (2025)
  6. Comagnetometry for T-violation searches in crystals
    Phys. Rev. A (2025)

Selected older publications

  1. Nuclear T-violation search using ONIX Phys. Rev. A (2023)
  2. A measurement of the atomic hydrogen Lamb shift and the proton charge radius, Science (2019)
  3. Optical frequency standards for gravitational wave detection using satellite Doppler velocimetry, New. J. Phys. (2015)
  4. Order of magnitude smaller limit on the electric dipole moment of the electron, Science (2014)

Designs

Code and hardware designs developed in my group are available at github.com/vuthalab.

Diversions

Perhaps you are here for my list of content-free phrases?

crystal

Contact

Department of Physics
University of Toronto
60 St. George Street
Toronto ON M5S 1A7, Canada

Phone: +1 416 946 8503
Email: amar.vutha Ͽ utoronto.ca

'MP' is the McLennan Physics building in the downtown campus.

Support

Team

  • Bassam Nima
  • Florian Brandstätter
  • Nathan Wang

Recent alumni

  • Dr. Mingyu Fan
  • William Zheng
  • Alek Radak
  • Takahiro Tow, PhD
  • Alissa Guissine
  • Thomas Yeaman