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Experimental Physics● OpenPreview

PhD Studentship in Highly Charged Ion Clocks for New Physics Exploration

Develop the world’s first atomic clock using highly charged californium ions to probe dark matter and fundamental physics.

Best for:Best for experimental physicists with expertise in ion trapping, laser spectroscopy, and quantum technologies, seeking a hands-on PhD in fundamental physics.

University of Birmingham · Birmingham, United Kingdom · R1 · First-stage researcher
More professors at University of Birmingham
Atomic clocksHighly charged ions (HCIs)Fundamental constants variationDark matter detectionPrecision spectroscopyQuantum-logic techniques
Deadline
Dec 17, 2026
63 days
Funding
Salaried
Not specified
Start date
flexible (commencing upon appointment)
Full-time
Location
Birmingham
United Kingdom

Overview

This PhD project at the University of Birmingham focuses on advancing atomic clock technology by pioneering a novel clock based on highly charged californium ions (Cf17+). The research aims to detect variations in fundamental constants, offering insights into dark matter, dark energy, and physics beyond the Standard Model. The candidate will work on cryogenic ion trapping, laser cooling, precision spectroscopy, and quantum-logic techniques, with a six-month collaboration at MPIK Heidelberg. The project combines experimental physics, quantum technology, and fundamental research to create a precision system capable of exploring uncharted physics regimes.

atomic physicsion trappinglaser coolingquantum technologyfundamental physicsdark matterprecision metrologycalifornium ions

What you'll do

  • Develop and operate the first atomic clock using highly charged californium ions (Cf17+).
  • Conduct experiments in cryogenic ion trapping, laser cooling, and precision spectroscopy.
  • Implement quantum-logic spectroscopy techniques for clock transition measurements.
  • Collaborate with MPIK Heidelberg for precision measurements of Cf HCI atomic structure.
  • Design and build ultra-stable lasers for clock transition stabilization.
  • Analyze experimental data to search for temporal variations in the fine-structure constant.
  • Contribute to the comparison of the new clock with an optical strontium clock.
  • Publish findings in high-impact journals and present at international conferences.

Requirements

Degree required: A Master’s degree (or equivalent) in Physics, Applied Physics, or a related discipline.

Degree offered: PhD

Language: English; proficiency suitable for academic research (e.g., IELTS 6.5 or equivalent).

Instruction: English

Required skills
  • Experience with experimental physics techniques, particularly ion trapping or laser spectroscopy.
  • Familiarity with cryogenics, ultra-high vacuum systems, or charged-particle optics.
  • Strong background in quantum mechanics and atomic physics.
  • Hands-on laboratory skills, including precision instrumentation and data acquisition.
  • Ability to work collaboratively in a multidisciplinary research environment.
Nice to have
Experience with quantum-logic techniques or atomic clocks.Familiarity with programming languages (e.g., Python, LabVIEW) for data analysis.Prior exposure to collaborative international research projects.
Eligibility
  • Open to UK and international applicants.
  • No specific age or residency restrictions mentioned.
  • No prior experience caps.

Funding & terms

Type
Salaried
Amount
Not specified
Duration
3 years (standard PhD duration)
Programme
University of Birmingham
University of Birmingham

How to apply

Deadline: 2026-12-17

Interested applicants should send their CV and a cover letter explaining their research interests and relevant experience to Gianluca Barontini via email. Ensure the subject line includes the job title and reference code.

Documents required
  • CV
  • Cover letter detailing research interests and relevant experience
  • Transcripts of previous degrees (if applicable)
✉Apply by email

Contact

Gianluca Barontini· Supervisor

g.barontini@bham.ac.uk

GB
Prof.
Gianluca Barontini
Physics and Astronomy
Lab
Experimental Physics Group (Highly Charged Ions)
University of Birmingham
United Kingdom
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