Stockholm University, Oskar Klein Centre

1687 13269
Position ID:Stockholm University-OKC-PHDOC2019 [#13269, FV-0342-19]
Position Title: PhD student in Observational Cosmology
Position Type:Academic admissions
Position Location:Stockholm, Stockholms Lan 106 91, Sweden [map]
Subject Areas: Astronomy / Astrophysics
Astrophysics / Cosmology
Physics / Astroparticle Physics, Astrophysics (astro-ph), Astrophysics Theory, Cosmology, Dark Matter, Elementary Particle Physics, Elementary Particle Theory, HEP-Phenomenology (hep-ph), HEP-Theory (hep-th), High Energy Physics, Particle Astrophysics, particle phenomenology and astroparticle physics, Particle Physics, Particle/Cosmology Theory, Physics, Physics - Mathematical Physics, Quantum Field Theory, Quantum Science, theoretical astroparticle physics, Theoretical Astrophysics, Theoretical Particle Physics, Theoretical Physics, Theory of Particle Physics
Theoretical Physics / Astrophysics, Cosmology, Gravitational waves, Particle physics (theoretical and experimental)
Cosmology/Particle Astrophysics (more...)
Appl Deadline:2019/03/03help popup finished (reviewing applications 2019/02/11, finished 2019/08/07, listed until 2019/03/04)
Position Description:    

*** The account for Oskar Klein Centre, Stockholm University has expired, and no new applications will be accepted. ***

* this map is a best-effort approximation. Open in Google Maps directly.

PhD student in Observational Cosmology at the Department of Physics, Stockholm University.

Closing date: 3 March 2019.

The Department of Physics is located in the AlbaNova University Center and has approximately 240 employees, 250 students at undergraduate level and 90 graduate students. There are four research subjects within the postgraduate program: Physics, Theoretical Physics, Chemical Physics and Medical Radiation Physics. These subjects span over several research groups with different research activities. For information about the Department of Physics, see:

Project description

Subject: Physics.

Subtitle: Probing early universe cosmologies through measurements of cosmic microwave background polarization with SPIDER and the Simons Observatory.

The afterglow of the hot big bang, the cosmic microwave background (CMB), illuminates a number of key processes in the history of our universe. Together with other astrophysical observables, characterization of the CMB has lead to the development of an extraordinarily simple cosmological framework. However, various challenges and unanswered questions persist.

Within the context of CMB experiments and data analysis, significant work is required to develop algorithms and calibration techniques to characterize current data. A complimentary effort involves developing future instruments that can probe cosmological signals with minimal measurement bias. The announced PhD position will combine work within these two research avenues through an association with a balloon borne experiment called SPIDER and a ground based experiment named the Simons Observatory.

A number of experiments are searching for a tiny signal in the polarization of the CMB with the aim of constraining early universe models and the inflationary paradigm. Among these experiments is SPIDER, a stratospheric payload that completed its first flight from Antarctica in January 2015. The SPIDER collaboration is aiming for another Antarctic flight at the end of 2019. The candidate will contribute to the analysis of data from the first and second flight of the experiment.

The Simons Observatory Collaboration is deploying a set of telescopes in the Atacama desert in Chile with the goal of having first light in 2021. Numerous design and calibration challenges are associated with the fielding of this new instrument and Stockholm University is developing new techniques in optical instrument design. The student will contribute to this effort by developing algorithms for optical modeling which will be used to refine future instrument configurations.

The proposed work can have components from instrumentation, data-analysis, and theory, however, the work will certainly include aspects from high-performance computing and the analysis of large data sets.

The candidate will work under the guidance of Prof. Katherine Freese and Dr. Jon Gudmundsson and collaborate with physicists in Stockholm as well as institutions across the world, in particular Princeton University and the University of Oslo.

Education at the research level

A PhD education at Stockholm University is four years (48 months). The 4-year PhD program includes at least 3 years of research and at most one year of course work. The position may be extended by up to one year if up to 20 % teaching assistance or administration is included in the contract. The PhD student is employed (“doktorandanställning”) during the studies, with a monthly salary starting at SEK 26 500.

Qualification requirements

An applicant who has completed a second-cycle (master's) degree, or completed courses equivalent to at least 240 higher education credits (ECTS) (4 years of studies), of which 60 credits (ECTS) must be in the second cycle, or have otherwise acquired equivalent knowledge in Sweden or elsewhere, meets the general entry requirements.

In order to be accepted as a PhD student in Physics or Theoretical Physics a BSc in Physics (or equivalent) is required. The studies must include 60 credits (ECTS) of second-cycle courses in physics out of which at least 15 credits correspond to a second-cycle degree project. The degree project does not have to have been examined at the application deadline, but work corresponding to half a semester of full-time studies should have been devoted to it.

The qualification requirements must be met by the deadline for applications.


The selection among the eligible candidates will be based on their capacity to benefit from the training. The successful applicant will be selected based on documented theoretical and experimental knowledge relevant for the area of study, knowledge of scientific theory and method, analytical skills, personal motivation, and team working skills. Well-developed English language skills are required. The applicants are encouraged to provide supporting documents that substantiate qualifications, e.g., knowledge, skills, abilities, and experience. References and interviews will be used to assess qualifications of the applicants. We seek a self-motivated candidate with good analytical abilities and skilled in English.

Admission Regulations for Doctoral Studies at Stockholm University are available at:

Terms of employment

Only a person who will be or has already been admitted to a third-cycle programme may be appointed to a doctoral studentship.

The term of the initial contract may not exceed one year. The employment may be extended for a maximum of two years at a time. However, the total period of employment may not exceed the equivalent of four years of full-time study.

Doctoral students should primarily devote themselves to their own education, but may engage in teaching, research, and administration corresponding to a maximum of 20 % of a full-time position.

Please note that admission decisions cannot be appealed.

Stockholm University strives to be a workplace free from discrimination and with equal opportunities for all.


For more information, please contact Dr. Jon Gudmundsson,

Further information about the position can be obtained from Prof. Per-Erik Tegnér,


Make sure to apply for the position here via Academic Jobs Online AND at Stockholm University's recruitment system.

Further details about the position and which documents to include with an applications can be found on the application page.

Important: When you apply via Stockholm University's recruitment system,recommendation letters should be sent not later than March 3, 2019, via e-mail to: with the subject line: "SU FV-0342-19" + "name of the applicant".

Application Materials Required:
Submit the following items online at this website to complete your application:
And anything else requested in the position description.

Further Info:
+46 8 5537 8070
AlbaNova University Center
Stockholm University
Department of Physics
SE-106 91 Stockholm

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