People and student research

The group

Research on fundamental interactions, bound particles, and related problems in theoretical physics.

Current members

For prospective students

Interested in theoretical physics? Read a recent paper that appeals to you, then write to me about the questions you would like to explore. Include a brief CV and a few words about your preparation in physics, mathematics, or computation.

Graduate and undergraduate research inquiries are welcome.

Contact Andrzej Czarnecki · University graduate application portal

Recent undergraduate research

Projects range from atomic bound states and rare decays to gravity and fluid dynamics.

  • Jan Guzik · May–August 2026

    Nuclear deformation in muonic atoms.

  • Dia Kalra · May–August 2026

    Solution of the radial Klein–Gordon equation.

  • Jishnu Khanna · July–August 2025

    Effects of quadrupole moments. Co-supervised with Richard Marchand.

  • Ripanjeet Singh Toor · May–August 2025

    Three-photon decay of parapositronium.

  • Divyesh Dagia · May–August 2025

    Three-photon decay of the Higgs boson.

  • Julia Willsey · May–August 2025

    Development of a shock wave.

  • Raquel Secrist · May–August 2025

    Development of a shock wave.

  • Fadilah Abolade · May–August 2025

    Quantum tunnelling and the origin of life.

  • Nicolas Pacholok · January–April 2023

    Gauge theories applied to shallow-water flows.

  • Monica Figueroa · May–August 2021

    Decay of a pionic atom to a muonic atom.

Earlier undergraduate research
  • Kyle McKee · May–December 2018

    Mass renormalization in fluids and in subatomic physics.

Former postdoctoral fellows

Dates refer to time in the group.

  • Mikhail Kaygorodov · 2023–2024

    Decays of bound muons.

  • Wen Chen · 2018–2019; 2021–2022

    Bound states involving antimatter.

  • Guangpeng Zhang · 2018–2019

    Rare decays of elementary particles and bound states.

  • Matthew Dowling · 2016–2017

    Muon decay; the Lamb shift and the proton radius.

  • Robert Szafron · 2012–2016

    Muon decay in orbit.

  • Jamil Aslam · 2011–2012

    Muon decay in orbit.

Earlier postdoctoral fellows
  • Xavier Garcia i Tormo · 2009–2011

    Unstable bound particles.

  • Jorge Mondejar · 2008–2010

    Effective field theories.

  • Jan Piclum · 2007–2009

    Threshold production of quarks.

  • Mariusz Puchalski · 2007–2008

    Few-electron atoms.

  • Adam Bzdak · 2007–2008

    Fermions at finite temperature.

  • Kouhei Hasegawa · 2005–2007

    Extra dimensions and unification.

  • Jacinda Ginges · 2003–2004

    Atomic parity violation and electric dipole moments.

  • Maciej Ślusarczyk · 2002–2005

    Quantum field theory and parallel computer algebra.

  • Alexander Yelkhovsky · 2002–2006

    Asymptotic expansions in atomic bound states and fluid dynamics.

  • Andrej Arbuzov · 2000–2002

    Michel parameters in muon decay.

Former graduate students

Degrees and periods of research in the group.

  • Syed Navid Reza · MSc, 2021–2023

    The D-term in matrix elements of the energy-momentum tensor.

  • Muhammad Mubasher · MSc, 2019–2021; PhD research, 2021–2023

    Bound-state phenomena and decays of muonic atoms.

  • Nuzhat Anjum · MSc, 2021–2023

    Decays of pionic atoms.

  • Md. Samiur Rahman Mir · MSc, 2019–2021

    Annihilation of the positronium ion and molecule.

  • Bo Leng · MSc, September 2016–April 2020

    Positronium hydride and tetron. MSc thesis (PDF)

  • Anna Morozova · MSc, 2017–2019

    Properties of positronium and related systems.

  • Andrzej Pokraka · MSc, 2015–2017

    Decays of bound muons.

Earlier graduate students
  • Yi Liang · PhD, 2009–2014

    Precise studies of leptonic systems.

  • Matthew Dowling · MSc, 2006–2008; PhD, 2008–2012

    Strong-interaction effects in b-quark decays; quantum field effects in bound states.

  • Paul McGrath · MSc, 2007–2009

    Polyelectrons and effective field theory.

  • Alexey Pak · PhD, 2003–2008

    Tests of fundamental interactions in neutron and heavy-quark decays.

  • Taras Gribouk · PhD research, 2004–2005

    Anomalous magnetic moments of leptons.

  • Paweł Buczek · MSc, 2003–2005

    The drag experienced by particles in a fluid.

  • Ernest Jankowski · PhD, 2000–2005

    Precision observables for particle physics experiments.

  • Andrei Gaponenko · PhD, 2002–2005

    A precision measurement of the muon decay parameter δ. Co-supervised with David Gill.

  • Ian Blokland · PhD, 2000–2004

    Multiloop calculations in perturbative quantum field theory.

  • John Archambault · MSc, 2000–2002

    Majorana neutrinos and the electric dipole moment of an electron.