Thomas Barthel

Charles H. Townes Assistant Professor of Physics

Theoretical and Numerical Quantum Many-Body Physics:

• Strongly correlated quantum matter
• Nonequilibrium phenomena, open quantum systems, and transport
• Information theoretic aspects like entanglement
• Integrable models
• Tensor network state methods (MPS, PEPS, MERA)
• Quantum computation and simulation for the investigation of quantum matter
• Ultracold atoms in optical lattices
• Sotchastic dynamics in networks

Appointments and Affiliations

• Charles H. Townes Assistant Professor of Physics
• Assistant Professor of Physics

Contact Information

• Office Location: 287 Physics Bldg, Durham, NC 27708
• Office Phone: (919) 660-2965
• Email Address: barthel@phy.duke.edu
• Websites:
  • barthel.phy.duke.edu
  • www.manyparticle.org/~barthel

Education

• Ph.D. Rheinisch-Westfalische Technische Hochshule Aachen (Germany), 2009

Research Interests

• Strongly correlated quantum many-particle systems
• Nonequilibrium phenomena, open quantum systems, and transport
• Information theoretic aspects like entanglement
• Integrable models
• Tensor network state methods (DMRG, MPS, MERA, PEPS)
• Quantum computation and simulation for the investigation of quantum matter
• Ultracold atoms in optical lattices
• Stochastic dynamics in networks

Courses Taught

• ECE 624: Open Quantum Systems
• PHYSICS 142L9D: General Physics II (Discussion)
• PHYSICS 464D: Quantum Mechanics I
• PHYSICS 590: Selected Topics in Theoretical Physics
• PHYSICS 624: Open Quantum Systems

Representative Publications

• Barthel, T; Zhang, Y, Solving quasi-free and quadratic Lindblad master equations for open fermionic and bosonic systems, Journal of Statistical Mechanics: Theory and Experiment, vol 2022 no. 11 (2022) [10.1088/1742-5468/ac8e5c] [abs].
• Zhang, Y; Barthel, T, Criticality and Phase Classification for Quadratic Open Quantum Many-Body Systems, Physical Review Letters, vol 129 no. 12 (2022) [10.1103/PhysRevLett.129.120401] [abs].
• Barthel, T; Lu, J; Friesecke, G, On the closedness and geometry of tensor network state sets, Letters in Mathematical Physics, vol 112 no. 4 (2022) [10.1007/s11005-022-01552-z] [abs].
• Chen, H; Barthel, T, Tensor Network States with Low-Rank Tensors, Arxiv:2205.15296 (2022) [10.48550/arXiv.2205.15296] [abs].
• Barthel, T; Zhang, Y, Superoperator structures and no-go theorems for dissipative quantum phase transitions, Physical Review A, vol 105 no. 5 (2022) [10.1103/PhysRevA.105.052224] [abs].