University of San Diego

What you'll study

The PhD programme combines advanced coursework, research rotations, and an extended original research project that culminates in a written dissertation and oral defence. Students typically begin with a set of core courses to solidify foundations and then progress to specialised seminars and research under the supervision of a faculty advisor.

• Core theoretical subjects: advanced quantum mechanics, quantum field theory, statistical mechanics and advanced mathematical methods for physicists.
• Nuclear and particle physics topics: nuclear structure and reactions, particle phenomenology, electroweak interactions, hadron physics, neutrino physics and effective field theories.
• Experimental and applied topics: detector physics and instrumentation, accelerator physics, data acquisition, and radiation detection techniques—suitable for students engaged in experimental collaborations.
• Computational and analysis methods: computational physics, numerical methods, Monte Carlo simulation, high-performance computing and statistical data analysis for large datasets, including techniques used in collider and neutrino experiments.
• Research training: supervised research rotations, regular research group meetings, graduate seminars and opportunities to participate in external collaborations or large-scale experiments where appropriate.
• Teaching and professional development: training in pedagogy through teaching assistantships, presentation skills, scientific writing and preparation for grant and fellowship applications.

Entry requirements

Applicants should hold a bachelor’s degree in physics or a closely related discipline; applicants with a master’s degree are also welcome. A strong background in undergraduate-level classical mechanics, electromagnetism, quantum mechanics and mathematical methods is expected, together with demonstrated competence in advanced mathematics (e.g. linear algebra, differential equations and complex analysis).

• Academic transcripts demonstrating strong performance in physics and mathematics courses.
• A statement of research interests outlining fit with the department’s strengths in nuclear and particle physics and potential faculty mentors.
• Research experience is strongly preferred—this can include undergraduate or master’s research projects, laboratory work, internships or relevant industry experience.
• Letters of recommendation from academic or professional referees who can speak to the applicant’s research potential and readiness for doctoral study.
• International applicants must meet the university’s English language proficiency requirements; other documentation may be required to satisfy visa and enrolment regulations.

Career prospects

Graduates from a PhD in Nuclear and Particle Physics pursue a wide range of careers. Many continue in research and teaching roles in universities and colleges, or secure postdoctoral positions at national laboratories and international research centres. Others apply their analytical, computational and experimental skills in industry and non-academic sectors.

• Academic research and faculty positions in physics and related fields.
• Postdoctoral research at national laboratories, accelerator facilities and international collaborations.
• Research and development roles in applied physics, instrumentation and detector design.
• Data science, software engineering and quantitative roles in finance, technology and industry, where expertise in large-scale data analysis and modelling is highly valued.
• Science policy, technical consulting and roles in government or non-profit organisations that value advanced scientific training.

Why study at University of San Diego

The University of San Diego offers doctoral candidates a supportive, student-centred environment with close faculty mentoring and opportunities for hands-on research. The department’s size enables frequent interaction with advisors and collaborators, while its location in the San Diego region provides access to a broad scientific ecosystem and potential partnerships with nearby research institutions and technology companies.

Students benefit from a balance of rigorous theoretical training and practical experimental or computational experience, as well as professional development through teaching, conference attendance and grant-writing support. The programme is well suited to students seeking an academically challenging PhD with personalised supervision and clear pathways to research careers in nuclear and particle physics.