Dr. Hartmut Haeffner

Professor

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Biography

Hartmut Häffner received his PhD in physics from the University of Mainz in Germany in 2000. Following this, he was a postdoctoral fellow at Mainz and Bangalore, India, under the Feodor-Lynen fellowship from the Alexander von Humboldt Foundation, before becoming a guest researcher at NIST in Gaithersburg (2000-2001). In 2001, he moved to the University of Innsbruck, Austria, as a university assistant and held a Marie Curie fellowship from the European Union from 2002 to 2004. From 2004 to 2009, he worked as a senior scientist at the Institute of Quantum Optics and Quantum Information in Innsbruck, where he won the START award from the Austrian Ministry of Education in 2006, allowing him to build his own research group. In 2009, he became an Assistant Professor of Physics at the University of California, Berkeley, and is also affiliated with the Lawrence Berkeley National Laboratory. His main research interests focus on trapped ions to achieve a deeper understanding of quantum mechanics with applications in quantum information processing.

Research Interests

Experience

Professor

2009-01-01 — Present

University of California, Berkeley • Berkeley, CA

Teaches and conducts research in physics, focusing on trapped ions and quantum information.

Requirements for University of California, Berkeley

Doctorate Program
Requirements
GPA Requirement
Required:3
GRE Subject
Overall Score
Required:500
Overall
Required:500
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or recognized equivalent Preparation comparable to undergraduate major at Berkeley in Mathematics or Applied Mathematics 2 full years lower-division work (Calculus, Linear Algebra, Differential Equations, Multivariable Calculus) 8 one-semester upper-division courses (Real Analysis, Complex Analysis, Abstract Algebra, Linear Algebra)
Application Checklist
  • Graduate Application
  • Statement of Purpose
  • Personal History Statement
  • Three Letters of Recommendation
  • Unofficial Transcripts
  • C.V./Resume
  • Course and Textbook List
Specialization Notes

The Mathematics Subject GRE is required for the Fall 2026 admissions cycle. General GRE is optional.