Advances in Atomic Clocks I

Presentations

• Comparison of two ¹⁷⁶Lu⁺ optical frequency references having 1x10⁻¹⁹ systematic uncertainty with 5.3 × 10^-19 precision 

  Invited · Invited

  June 3, 2026, 8:00 AM – June 3, 2026, 8:30 AM

  Presenters

  • Murray Barrett

    • National University of Singapore

  Authors

  • Murray Barrett

    • National University of Singapore

  • Kyle Arnold

    • Natl Univ of Singapore

  • Michael Lee

  • Qi Zhao

  • Qin Qichen

  • Zhang Zhao

  • Nakarin Jayjong

  View abstract →

• Continuous longitudinal Rabi spectroscopy on clock atoms transported in a moving optical lattice

  Invited · Invited

  June 3, 2026, 8:30 AM – June 3, 2026, 9:00 AM

  Presenters

  • Hidetoshi Katori

    • Univ of Tokyo

  Authors

  • Hidetoshi Katori

    • Univ of Tokyo

  View abstract →

• Spin-squeezed clock precision beyond the standard quantum limit at the 10^-18 level

  Oral

  June 3, 2026, 9:00 AM – June 3, 2026, 9:12 AM

  Publication: Y. A. Yang et al., Phys. Rev. Lett. 135, 193202 (2025)

  Presenters

  • Yang Yang

    • JILA

  Authors

  • Yang Yang

    • JILA

  • Maya Miklos

    • JILA, University of Colorado Boulder

  • Yee Ming Tso

    • JILA

  • Stella Kraus

    • JILA, University of Colorado Boulder

  • Joonseok Hur

    • University of Wisconsin - Madison

  • Jun Ye

    • University of Colorado, Boulder

  View abstract →

• A GR redshift test between optical lattice clocks on the peaks and plains of Colorado

  Oral

  June 3, 2026, 9:12 AM – June 3, 2026, 9:24 AM

  Presenters

  • Roger Brown

    • National Institute of Standards and Technology (NIST)

  Authors

  • Roger Brown

    • National Institute of Standards and Technology (NIST)

  • Emily Caldwell

    • National Institute of Standards and Technology (NIST)

  • Christopher Dennis

  • Jean-Daniel Deschenes

  • Scott Diddams

    • University of Colorado, Boulder

  • Fabrizio Giorgetta

  • Tanner Grogan

    • National Institute of Standards and Technology (NIST)

  • Adam Halaoui

  • Benjamin Hunt

  • Andrew Ludlow

    • National Institute of Standards and Technology (NIST)

  • Harikesh Ranganath

  • Laura Sinclair

  • William Swann

  • Eric Swiler

  • Theodora Triano

    • University of Colorado, Boulder

  • Skyler Weight

  • Derek Van Westrum

  • Tsung-Han Wu

  View abstract →

• Direct comparison of multi-ion optical clocks based on ⁴⁰Ca⁺ and ⁸⁸Sr⁺

  Oral

  June 3, 2026, 9:24 AM – June 3, 2026, 9:36 AM

  Publication: The paper is in the process.

  Presenters

  • Nitzan Akerman

    • Weizmann Institute of Science

  Authors

  • Nitzan Akerman

    • Weizmann Institute of Science

  • Yosef Sokolik

    • Weizmann Institute of Science

  • Roee Ozeri

    • Weizmann Institute of Science

  View abstract →

• Magnetic Dipolar Broadening in Fluorine-Based Solid-State ²²⁹Th Nuclear Clocks

  Oral

  June 3, 2026, 9:36 AM – June 3, 2026, 9:48 AM

  Presenters

  • Igor Savukov

    • Los Alamos National Laboratory (LANL)

  Authors

  • Igor Savukov

    • Los Alamos National Laboratory (LANL)

  • Daniel Rehn

  • Andrei Derevianko

    • University of Nevada, Reno

  View abstract →

• When the Nucleus Meets the Solid: Nuclear–Electronic Interactions in Thorium-229 Nuclear Solid-State Clocks

  Oral

  June 3, 2026, 9:48 AM – June 3, 2026, 10:00 AM

  Publication: 1.) Constraining the Evolution of the Fundamental Constants with a Solid-State Optical Frequency Reference Based on the 229Th Nucleus - Rellergert et al.
  2.) Theory of Internal Conversion of the 229Th Nuclear Isomer in Solid-State Hosts - Morgan et al.
  3.) Host-Dependent Frequency Offsets in 229Th Nuclear Clockwork - Perera et al.
  4.) Photoinduced quenching of the 229Th isomer in a solid-state host - Terhune et al.
  5.) Laser-based conversion electron Mössbauer spectroscopy of 229ThO2 - Elwell et al.

  Presenters

  • James Terhune

    • University of California, Los Angeles

  Authors

  • James Terhune

    • University of California, Los Angeles

  • Ricky Elwell

    • University of California, Los Angeles

  • Christian Schneider

    • California State University, Los Angeles

  • Justin Jeet

    • Lawrence Livermore National Laboratory

  • Wade Rellergert

    • University of California, Los Angeles

  • Harry Morgan

  • Udeshika Perera

    • University of Nevada, Reno

  • Hoang Bao Tran Tan

    • University of Nevada, Reno

  • Anastassia Alexandrova

    • University of California, Los Angeles

  • Andrei Derevianko

    • University of Nevada, Reno

  • Eric Hudson

    • University of California, Los Angeles

  View abstract →