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Junior position in theoretical physics at the Institut de Physique Theorique CEA Saclay

The Institut de Physique Theorique (IPhT) invites applications for a junior-level permanent position in physics. The position is opened for researchers working on phenomenology of the standard models of the two infinities. This includes the standard model of cosmology (e.g. physics of the early Universe, large scale-structures or gravitational waves) and the standard model of particle physics (e.g. QCD and heavy-ion physics). Application deadline: March 20th, 2026.

Applications (including a cover letter, a CV, a research statement and a list of publications) and three reference letters should be sent through Academic Jobs Online.

The position is roughly equivalent to a tenured assistant professorship with no teaching obligations. The IPhT is a Research Institute of CEA and CNRS, and is associated to the Université Paris-Saclay. IPhT is a multidisciplinary institute, with a strong expertise in a wide range of topics in theoretical physics. It is located in the south of Paris, a rich scientific environment. CEA and the broader Paris-Saclay area also count many other institutes working on related physics aspects, both theoretical and experimental.

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Junior position in theoretical physics at the Institut de Physique Theorique CEA Saclay

The Institut de Physique Theorique (IPhT) invites applications for a junior-level permanent position, opened for researchers working on foundational and theoretical-physics aspects of AI in a broad sense. This includes the study of AI through theoretical physics and statistical physics in particular, as well as AI developments applied to theoretical physics. Application deadline: March 20th, 2026.

The position is roughly equivalent to a tenured assistant professorship with no teaching obligations. The IPhT is a Research Institute of CEA and CNRS, and is associated to the Université Paris-Saclay. IPhT is a multidisciplinary institute, with a strong expertise in a wide range of topics in theoretical physics. It is located in the south of Paris, a rich scientific environment. CEA and the broader Paris-Saclay area also count many other institutes working on related physics aspects, both theoretical and experimental.

Applications (including a cover letter, a CV, a research statement and a list of publications) and three reference letters should be sent through Academic Jobs Online.

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Research Fellow at School of Physics and Astronomy University of Birmingham

Applications are open for a research fellow position in the research group led by Bruno Bertini at the University of Birmingham. The duration is two years with the possibility of extension. The group’s research is operating in the area of quantum statistical physics with specific focus on non-equilibrium quantum many-body dynamics. Specific topics of interest include dynamics in quantum circuits and quantum cellular automata, many-body quantum chaos, quantum integrability, (generalised) hydrodynamics, quantum information scrambling, entanglement measures, tensor-network theory. The ideal candidate has either analytical or computational skills (exact diagonalisation or tensor network techniques) and research experience in either many-body quantum physics, statistical mechanics, statistical field theory, quantum-information theory, or quantum computing. Closing date Feb 22nd 2026.

The School of Physics and Astronomy is a world-leading physics department, excelling in both research and teaching. It hosts over 130 academic and research staff, around 50 technical and support staff, and over 130 graduate students. Our physics research was recently ranked top in the UK for 4-star-category research by the national Research Excellence Framework 2021 exercise. The 2016 Nobel Prize in Physics was awarded to Professor Mike Kosterlitz and Professor David Thouless jointly for their work into the discoveries of the properties of matter, work which started when they were at Birmingham together. The 2017 Prize was awarded for the detection of gravitational waves, in which Birmingham staff played a key role.

The School is an Institute of Physics Juno Champion since 2014 and holder of an Athena SWAN Silver Award. Both initiatives recognise the School’s commitment to promote equality and diversity, and to encourage better practice for all members of the community, whilst also working towards developing an equitable working culture in which all staff can achieve their full potential. We welcome applications from all qualified applicants, but applications from traditionally under-represented groups in Physics and Astronomy including, but not limited to, women and Black, Asian and Minority Ethnic Groups, are particularly encouraged.

Please attach a CV and contact details for two referees to your application. 

Role Summary

  • Work within specified research grants and projects and contribute to writing bids 
  • Operate within area of specialism
  • Analyse and interpret research findings and results 
  • Contribute to generating funding 
  • Contribute to licensing or spin out deals with demonstrated commercial success (such as revenues, asset or company sales, IP generated) and/or public understanding of the discipline or similar

Main Duties

The responsibilities may include some but not all of the responsibilities outlined below.

  • Develop research objectives and proposals for own or joint research, with assistance of a mentor if required
  • Contribute to writing bids for research funding
  • Analyse and interpret data
  • Apply knowledge in a way which develops new intellectual understanding
  • Disseminate research findings for publication, research seminars etc
  • Supervise students on research related work and provide guidance to PhD students where appropriate to the discipline
  • Contribute to developing new models, techniques and methods 
  • Undertake management/administration arising from research
  • Contribute to Departmental/School research-related activities and research-related administration
  • Contribute to enterprise, business development and/or public engagement activities of manifest benefit to the College and the University, often under supervision of a project leader
  • Collect research data; this may be through a variety of research methods, such as scientific experimentation, literature reviews, and research interviews *
  • Present research outputs, including drafting academic publications or parts thereof, for example at seminars and as posters *
  • Provide guidance, as required, to support staff and any students who may be assisting with the research *
  • Deal with problems that may affect the achievement of research objectives and deadlines*
  • Promotes equality and values diversity acting as a role model and fostering an inclusive working culture.

* These indicative responsibilities may also be included in a research role at grade 6.

Person Specification

  • Ph.D. (or equivalent) in physics or mathematics or being near to completion 
  • Ability to creatively apply relevant research approaches, models, techniques and methods
  • Excellent oral and written communication skills, including the ability to communicate complex information with clarity 
  • Fluency in relevant models, techniques or methods and ability to contribute to developing new ones
  • Ability to build relationships and collaborate with others, both internally and externally
  • Strong record of research in theoretical condensed matter physics, quantum information, quantum computing, or a closely related field
  • Knowledge of the protected characteristics of the Equality Act 2010, and how to actively ensure in day to day activity in own area that those with protected characteristics are treated equally and fairly

Informal enquiries to Bruno Bertini, email: b.bertini(at)bham.ac.uk 

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Postdoc in gravitational wave phenomenology and data Analysis at NICPB, Tallinn

The GW group at NICPB, Tallinn invites applications for a postdoctoral position in GW phenomenology and data analysis. The position is initially for two years, with the possibility of renewal for a third year. We offer a competitive salary, travel support, and a supportive research environment within an active GW group in Tallinn. Review of applications will begin on March 1, 2026, and will continue until the position is filled. Applicants must have been awarded a PhD by the start date of the position. Previous experience in GW research is preferred. The start date is flexible and can be negotiated. Application deadline April 1st, 2026.

To apply, please contact Hardi Veermäe (hardi.veermae(at)cern.ch) and Ville Vaskonen (ville.vaskonen(at)kbfi.ee) with a CV and a brief research statement. Applicants should also provide two letters of reference that should be sent to hardi.veermae@cern.ch and ville.vaskonen@kbfi.ee (please instruct your letter writers to include your family name in their e-mail). Incomplete applications will not be considered.

The laboratory hosts a diverse and international team of researchers and its expertise covers GW phenomenology, cosmology, BSM phenomenology, theory of gravity, computational physics and data analysis. More Information on the GW group at NICPB: kbfi.ee/high-energy-and-computational-physics/gravitational-waves/

The position will be based in Estonia, which offers a family-friendly, low-bureaucracy environment (see https://workinestonia.com )

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PhD Scholarships in Observational, Computational & Theoretical Astrophysics at Swinburne University

The Centre for Astrophysics and Supercomputing (CAS) at Swinburne University of Technology in Melbourne invites applications from high-calibre students of any nationality for its PhD program. CAS is one of Australia's largest astronomy research institutes, with approximately 25 faculty, 20 postdoctoral researchers, and 40 PhD students. Swinburne has guaranteed access to the 10-m Keck telescopes, with our astronomers and students regularly obtaining time at the world's major optical and radio observatories. They also study gravitational wave sources with LIGO, and use Ngarrgu Tindebeek, the next generation Australian Supercomputer for theoretical and observational astrophysics. Application deadline March 13, 2026.

A list of research projects being offered can be found at this webpage. Applicants may express interest in one or more projects and are encouraged to contact potential supervisors prior to submitting their Expression of Interest. The deadline for Expressions of Interest (see associated web link) is 13 March 2026.

While some projects have guaranteed funding, most projects are conditional on receiving a University-wide competitively allocated scholarship. PhD scholarships include a tax free stipend, of approximately $34,700 AUD p.a., receive a tuition waiver, and have access to funding for travel to telescopes, international conferences, and collaborative meetings.

The Centre is located in the lively inner city suburb of Hawthorn, only minutes by public transport from Melbourne’s city centre. Melbourne is top ranked for its quality of life and as a destination for working abroad. Swinburne provides a positive and supportive work environment and comprehensive benefits, including vacation, sick, and parental leave, and thesis publication and relocation cost allowances.

We strongly encourage applications from women, Indigenous and First Nations peoples, people with disability, and candidates from diverse backgrounds. Swinburne is committed to the principles of equity, fairness and inclusivity and to a workplace free from discrimination. and has been recognised as a Workplace Employer of Choice for gender equality. CAS values its diverse work environment as has been acknowledged through a Silver Pleiades Award recognising commitment to inclusion, diversity and equity in astronomy.

Applicants should familiarise themselves with the University’s English language certification requirements, which are tied to Australian Government visa conditions. Applicants are requested to confirm that they satisfy these requirements at the time of submission of their expression of interest.

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PhD student position in Experimental Particle Physics at SDU in Odense

The Astroparticle and Dark Matter group at the Center for Cosmology and Particle Physics Phenomenology (CP3) at the Department of Physics, Chemistry and Pharmacy at the University of Southern Denmark (SDU) invites applications for a PhD position in Experimental Particle Physics, with a focus on cryogenic single-photon detectors for axion searches.   Application deadline: March 31st, 2026.

The successful candidate will contribute to the development of background-suppression techniques for single‑photon detectors used in axion experiments, operating at optical and infrared wavelengths. The research project includes the installation and characterization of a cold optical filter bench inside a dilution refrigerator, and the evaluation of its performance when coupled to a transition edge sensor (TES) or superconducting nanowire single‑photon detector (SNSPD). Additional responsibilities include developing efficient coupling of free‑space optics to optical fibers, conducting extended data‑taking runs with TES and SNSPD systems, and performing data analysis. Contributions to the development of novel experimental designs for dark matter axion searches are also possible.

Our group provides hands-on access to state-of-the-art cryogenic facilities and the opportunity to work within major international research collaborations. CP3 is embedded in a vibrant and interdisciplinary research environment at SDU, with close ties to leading groups in light–matter interactions and nanophotonics, as well as to theoretical physicists in the Department of Mathematics and Computer Science. We collaborate closely with scientists of the ALPS II collaboration and parts of the experimental work will be carried out at DESY, Hamburg.

Applicants should indicate whether they are applying for a 3‑year PhD position, in which case a Master’s degree (or equivalent qualification) in physics or a closely related field is required, or for a 4‑year integrated Master’s and PhD program.

Essential qualifications include:

  • a strong motivation for fundamental research
  • a solid background in particle physics
  • experience with optics.

Experience in cryogenics, data analysis, programming, nanophotonics, and working in international research teams or collaborations will be considered an advantage.

For more information about the position, please contact Associate Professor Manuel Meyer (mey(at)sdu.dk).

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Three PhD Fellowships in Theoretical Physics at University of Stavanger

The University of Stavanger invites applicants for three 3-year PhD Fellowships in Physics – Neutron Stars & QCD / Gravitational Waves & Black Holes / Generalised Theories of Gravity  - at the Faculty of Science and Technology, Department of Mathematics and Physics. The start date is flexible, but no later than September 2026. Application deadline on March 12, 2026

Each of the successful candidates will join the Stavanger Particle, Astroparticle and Cosmology Theory (SPACT) group and conduct research in one of the following areas:

Neutron-star cores, ultradense nuclear matter, and quantum chromodynamics (QCD), supervised by Prof. Aleksi Kurkela
Gravitational waves, black holes and tests of general relativity, supervised by Prof. Alex Nielsen
Quantum field theory in curved spacetime and generalised theories of gravity, supervised by Prof. Eirik Svanes

Applicants should have a strong background in theoretical physics. Experience with quantum field theory, thermal QCD, numerical modelling of neutron stars, gravitational-wave signals, modelling of astrophysical black holes, generalised theories of gravity, supergravity, string theory, and/or quantum field theory in curved spacetime will be considered an advantage.

Candidates who will complete their Master’s degree in spring 2026 are also welcome to apply.

We offer:

  • PhD education in a lively research environment with expertise in QCD, gravitational wave physics, cosmology, and related fields.
  • Relevant PhD courses
  • Salary of NOK 550,800 gross per year, with development according to seniority
  • A range of additional benefits

Application process:
The application deadline is 12th March 2026.

Applications must be submitted via the Jobbnorge portal. Please upload your CV, application letter, and other relevant documents.

Note that formal documentation of English proficiency is required.

Contact:
Prof. Aleksi Kurkela – aleksi.kurkela(at)uis.no
Prof. Alex Nielsen – alex.nielsen(at)uis.no
Prof. Eirik Eik Svanes – eirik.e.svanes(at)uis.no

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PhD position in GW detectors University of Münster

The Institute for Nuclear Physics in the Faculty of Physics at the University of Münster, Germany, is seeking to fill the position of a Doctoral Research Associate (Wissenschaftlicher MitarbeiterIn, salary level E 13 TV-L) at the earliest possible date. We are offering a fixed-term part-time position (67%) for 3 years. Full-time employees are required to teach 4 hours per week during the semester. Application deadline February 28th, 2026.

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Call for Expressions of Interest – ATRAE Scientist Position (permanent) with IFAE

The Institut de Física d’Altes Energies (IFAE) invites expressions of interest from outstanding researchers to join its Gravitational Waves Group, working on the Virgo, LIGO, and Einstein Telescope collaborations, in the framework of the 2026 ATRAE Program (https://www.aei.gob.es/en/atrae) of the Spanish Funding Agency.

Research Environment

IFAE performs research in particle physics, astroparticle physics and cosmology, and develops technologies for the benefit of the whole society. IFAE’s mission is to address fundamental physics questions by acting as a major partner and a leader in the scientific collaborations at the forefront of our field, while preparing for future technological breakthroughs. IFAE has been distinguished three times with the Severo Ochoa Excellence award from the Spanish Funding Agency.

The IFAE Gravitational Waves Group plays an active role in Virgo and LIGO experiments in several areas including detector characterization, physics data analysis, and R&D for next-generation observatories, with a particular emphasis on the Einstein Telescope.

Successful candidates will benefit from:

  • A vibrant, collaborative research environment.
  • Strong institutional support for independent research lines.
  • Access to international collaborations and infrastructure.
  • Mentorship and strategic support for ATRAE applications.

Profile Sought

We welcome expressions of interest from researchers with a strong track record and leadership potential in areas including (but not limited to):

  • Gravitational-wave detector operations and data analysis.
  • Detector characterization and noise mitigation.
  • Instrumentation and R&D for next-generation detectors.

Candidates should be eligible to apply to the ATRAE Program and be interested in establishing or consolidating an independent research line at IFAE.

ATRAE Program

The ATRAE Program, funded by the Spanish Funding Agency, defines about 1M€ individual grants and aims to attract and retain research talent by supporting the long-term incorporation of established researchers into Spanish research institutions.

The next call is expected by April 2026.

For reference the 2025 ATRAE call can be consulted at https://www.aei.gob.es/en/node/5072.

How to Express Interest

Interested candidates are encouraged to contact us informally to discuss mutual interests and institutional support for an ATRAE application.

Please include:

  • A brief CV.
  • A short summary of research interests and future plans.
  • Indication of alignment with the IFAE gravitational-wave program.

Contact

For expressions of interest and informal inquiries, please contact:

Mario Martinez – IFAE GW Group Team Leader and IFAE Deputy Director
mmp(at)ifae.es

Eugenio Coccia – IFAE Director
eugenio.coccia(at)ifae.es

Faculty Position in Gravitational Waves and Effective Field Theories at the University of São Paulo

The University of Sao Paulo (USP) and the Physics Institute (https://portal.if.usp.br/ifusp/en) are inviting applications for one tenure-track position in the field of Gravitational Waves and Effective Field Theories. USP is the top research institution in Latin America, and the Physics Institute is a dynamic, multi-disciplinary environment. Candidates are expected to carry out high-level, independent research, as well as mentoring students and teaching at the graduate and/or undergraduate levels. Application deadline: March 16th, 2026.

The Physics Institute has more than one hundred faculty members in most areas of physics research, both theoretical and experimental. The Theory Group (Department of Mathematical Physics) has 13 faculty and includes various areas of theoretical physics, such as Quantum Field Theory, String Theory, Cosmology, Particle Physics, Quantum Information and Mathematical Physics. The group has a historic commitment to excellence in research, with strong ties to institutions around the world, and is actively involved in theoretical and observational activities.

Compensation starts with a salary of R$ 16.353,01 (approximately U$ 3,000), with a teaching load similar to U.S. and European universities and the possibility of fast track to higher compensation depending only on performance and academic excellence. The position comes with a “young professor” start-up grant from the University. Researchers in São Paulo State are also strongly supported by the funding agency FAPESP. Please do not hesitate to contact us if you would like to get more information about these and other benefits.

Potential candidates should feel free to contact Raul Abramo (raulabramo(at)usp.br) and/or Gustavo Burdman (gaburdman(at)usp.br)

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