Wei Ji [Email: wei.ji@pku.edu.cn]
The research group of Dr. Wei Ji is continuously recruiting motivated students and young researchers, including:
- Master’s students
- PhD students
- Postdoctoral researchers
Applicants with backgrounds in:
- Physics
- Atomic, Molecular and Optical (AMO) Physics
- Quantum Optics
- Precision Measurement
- Nuclear Physics
- Quantum Information
- Electronics and Instrumentation
- Applied Physics
are warmly welcome to apply. Both theoretical and experimental interests are encouraged.
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About Dr. Wei Ji
Dr. Wei Ji is currently working in the field of quantum precision measurement and fundamental physics. He received his PhD from the Department of Physics at Tsinghua University in 2019 and subsequently carried out postdoctoral research at the Helmholtz Institute Mainz in Germany. (physics.bit.edu.cn)
His research focuses on:
- Atomic-spin-based quantum precision measurements
- Comagnetometers and spin-based sensing
- Searches for exotic spin-dependent interactions
- Axion and dark-matter searches
- Precision tests of fundamental symmetries
Dr. Ji has been actively involved in the development of advanced quantum sensing technologies and precision spin experiments, with research interests spanning both fundamental physics and quantum metrology. His work has contributed to improving experimental sensitivity in searches for physics beyond the Standard Model. Recent collaborative work includes precision measurements using ultra-sensitive comagnetometers for axion-mediated spin-dependent interactions. (MIT Technology Review)
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Research Environment
The group is supported by Beijing Institute of Technology and maintains active collaborations with leading domestic and international research teams in quantum sensing and precision measurement.
The laboratory provides research platforms and infrastructure including:
- Atomic-spin quantum sensors
- Precision magnetic-field control systems
- Laser and optical systems
- Quantum measurement electronics
- High-precision timing and data-acquisition systems
- Precision spectroscopy and spin-manipulation platforms
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Research Directions
Current research topics include:
- Quantum precision measurement
- Atomic-spin comagnetometers
- Exotic spin-dependent interactions
- Axion and ultralight dark matter searches
- Precision tests of fundamental symmetries
- Quantum sensing technologies
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Application
Interested applicants are invited to send their CV to:
📧 [wei.ji@pku.edu.cn]
Please use the following email subject format:
“Application for Master/PhD/Postdoctoral Position + Your Name”
Ke Zhang [kezhangvv@bit.edu.cn ]
School of Integrated Circuits and Electronics / Advanced Interdisciplinary Institute
Beijing Institute of Technology (BIT)
The research group of Prof. Ke Zhang at the Advanced Interdisciplinary Institute of Beijing Institute of Technology (BIT) is continuously recruiting motivated students and young researchers, including:
- Master’s students
- PhD students
- Postdoctoral researchers
Applicants with backgrounds in:
- Physics
- Atomic, Molecular and Optical (AMO) Physics
- Optics and Photonics
- Nuclear Physics and Nuclear Science
- Quantum Information
- Precision Instrumentation
- Electronic Information Engineering
are warmly welcome to apply. Both theoretical and experimental interests are encouraged.
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About Prof. Ke Zhang
Prof. Ke Zhang received his PhD in 2019 from the China Academy of Engineering Physics. He subsequently conducted research at the Helmholtz Institute Mainz and the Physikalisch-Technische Bundesanstalt (PTB, Germany). He was also a core member of the European nuclear clock project focusing on the Th-229 nuclear optical clock.
His research has long focused on:
- Th-229 nuclear optical clocks
- Nuclear quantum precision measurements
- Fundamental physics applications
with particular emphasis on laser–electron–nucleus coupling mechanisms.
Representative achievements include:
- Participation in the world’s first direct laser excitation of the low-energy nuclear transition in Th-229, reported in Nature 629, 514–515 (2024);
- Establishment of trapped and laser-cooled Th$^{3+}$ ion platforms for precision spectroscopy of heavy elements;
- Active control of the Th-229 nuclear isomer lifetime and exploration of related applications in fundamental physics.
Prof. Zhang has published multiple papers as first/corresponding author (including co-authorship) in journals such as Physical Review Letters, and was awarded a fellowship from the Helmholtz Association in Germany.
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Research Environment
The group is supported by the Advanced Interdisciplinary Institute at BIT and has established both ion-trap and solid-state experimental platforms.
Available research infrastructure includes:
- Ultra-stable laser systems
- Ultra-high vacuum systems
- Ion-state detection platforms
- High-precision timing and control electronics
- Solid-state sample preparation and characterization facilities
The group also maintains long-term collaborations with leading domestic and international research teams.
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Research Directions
Current research topics include:
- Th-229 nuclear optical clocks
- Precision spectroscopy with trapped ions
- Solid-state excitation and detection of nuclear transitions
- Nuclear-state manipulation and control
- Searches for dark matter and physics beyond the Standard Model
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Application
Interested applicants are invited to send their CV to:
📧 kezhangvv@bit.edu.cn
Please use the following email subject format:
“Application for Master/PhD/Postdoctoral Position + Your Name”