Imperial College London


Faculty of Natural SciencesDepartment of Physics

Professor of Experimental Physics



+44 (0)20 7594 7741m.tarbutt




207Blackett LaboratorySouth Kensington Campus





Research Interests

My interests are in the formation and application of cold and ultracold molecules.

  • Stark deceleration of cold polar molecules
  • Buffer gas cooling and magnetic guiding of molecules
  • Sympathetic cooling of cold molecules with ultracold atoms
  • Using cold, polar molecules to measure the electric dipole moment of the electron
  • Using ultracold polar molecules to study the physics of highly correlated quantum matter



Hughes M, Frye MD, Sawant R, et al., 2020, Robust entangling gate for polar molecules using magnetic and microwave fields, Physical Review A, Vol:101, ISSN:2469-9926, Pages:062308-1-062308-12

Ho C, Devlin JA, Rabey I, et al., 2020, New techniques for a measurement of the electron's electric dipole moment, New Journal of Physics, Vol:22, ISSN:1367-2630

Caldwell L, Tarbutt M, 2020, Sideband cooling of molecules in optical traps, Physical Review & Research, Vol:2, ISSN:2643-1564

Caldwell L, Williams H, Fitch N, et al., 2020, Long rotational coherence times of molecules in a magnetic trap, Physical Review Letters, Vol:124, ISSN:0031-9007

Sawant R, Blackmore JA, Gregory PD, et al., 2020, Ultracold polar molecules as qudits, New Journal of Physics, Vol:22, ISSN:1367-2630, Pages:1-12

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