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Karlstad University – the modern university – is characterised by a combination of active cooperation with external partners and academic excellence. Karlstad University has around 12 000 students and a staff of over 1 200 members.

Democratic principles, equality and diversity are the cornerstones of our activities. We value and welcome the enriching presence of a diversity of backgrounds and qualifications among students and staff.

Karlstad University has an opening for a PhD student in physics with a focus on theoretical high-energy physics and string theory.



Theoretical high-energy physics is a research area in physics that encompasses some of the most fundamental questions in physics, about the smallest building blocks of nature and their interactions, but also seemingly disparate topics such as the evolution of the universe. In this field some of the most successful disciplines of modern physics meet, for example, the theory of relativity and quantum physics. The observations thatt hese theories rely on come primarily from particle accelerator laboratories and from space telescopes.

One framework in this area of theoretical physics is called string theory, which is an effort to unify particle physics and gravitational theory. It is not the only framework available in theoretical high-energy physics, but it leads to many surprising perspectives.

As a PhD student focusing on theoretical high-energy physics, you will have the opportunity to search for new insights into the basic laws of nature that control physical phenomena. You will also have the opportunity to stay in touch with current experiments and observations in this field, through close ties with the Oskar Klein Centre in Stockholm.