Thomas Barthel | Scholars@Duke

Thomas Barthel
Charles H. Townes Assistant Professor of Physics

Theoretical and Numerical Quantum Many-Body Physics

Current 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

Current Appointments & Affiliations

Charles H. Townes Assistant Professor of Physics, Physics, Trinity College of Arts & Sciences 2015
Assistant Professor in the Department of Physics, Physics, Trinity College of Arts & Sciences 2015

Contact Information

287 Physics Bldg, Durham, NC 27708
Box 90305, Durham, NC 27708-0305
barthel@phy.duke.edu (919) 660-2965
barthel.phy.duke.edu
www.manyparticle.org/~barthel

Background
Education, Training, & Certifications
- Ph.D., Rheinisch-Westfalische Technische Hochshule Aachen (Germany) 2009
Research
Selected Grants
- Quantum Computing in Chemical and Material Sciences awarded by Department of Energy 2018 - 2021
Fellowships, Supported Research, & Other Grants
- Start-up grant awarded by Duke University 2015
- Graduate studies scholarship awarded by German National Merit Foundation 2006
- Scholarship awarded by German National Merit Foundation 2000
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Barthel, T, and Lu, J. "Fundamental Limitations for Measurements in Quantum Many-Body Systems." Physical Review Letters 121, no. 8 (August 2018): 080406-null. Full Text
  - Barthel, T, De Bacco, C, and Franz, S. "Matrix product algorithm for stochastic dynamics on networks applied to nonequilibrium Glauber dynamics." Physical Review. E 97, no. 1-1 (January 2018): 010104-null. Full Text
  - Modugno, G, Giamarchi, T, D'Errico, C, and Roux, G. "Finite-temperature effects on interacting bosonic one-dimensional systems in disordered lattices." Physical Review A 93, no. 3 (March 29, 2016). Full Text
  - Schlittler, T, Barthel, T, Misguich, G, Vidal, J, and Mosseri, R. "Phase Diagram of an Extended Quantum Dimer Model on the Hexagonal Lattice." Physical Review Letters 115, no. 21 (November 18, 2015): 217202-null. Full Text
  - Alba, V. "Bound states and entanglement in the excited states of quantum spin chains." Journal of Statistical Mechanics: Theory and Experiment 2014, no. 10 (October 1, 2014). Full Text
  - "Algebraic versus exponential decoherence in dissipative many-particle systems." Physical Review Letters 111, no. 15 (October 11, 2013). Full Text
  - Lake, B, Tennant, DA, Caux, JS, Barthel, T, Schollwöck, U, Nagler, SE, and Frost, CD. "Multispinon continua at zero and finite temperature in a near-ideal heisenberg Chain." Physical Review Letters 111, no. 13 (September 26, 2013). Full Text
  - "Precise evaluation of thermal response functions by optimized density matrix renormalization group schemes." New Journal of Physics 15 (July 1, 2013). Full Text
  - Barthel, T, and Kliesch, M. "Quasilocality and efficient simulation of markovian quantum dynamics." Physical Review Letters 108, no. 23 (June 5, 2012): 230504-null. Full Text
  - Barthel, T, and Hübener, R. "Solving condensed-matter ground-state problems by semidefinite relaxations." Physical Review Letters 108, no. 20 (May 17, 2012): 200404-null. Full Text
  - Kliesch, M, Barthel, T, Gogolin, C, Kastoryano, M, and Eisert, J. "Dissipative quantum Church-Turing theorem." Physical Review Letters 107, no. 12 (September 12, 2011): 120501-null. Full Text
  - "Unitary circuits for strongly correlated fermions." Physical Review a Atomic, Molecular, and Optical Physics 81, no. 5 (May 28, 2010). Full Text
  - Barthel, T, and Schollwöck, U. "Dephasing and the steady state in quantum many-particle systems." Physical Review Letters 100, no. 10 (March 12, 2008): 100601-null. Full Text
  - Barthel, T, Dusuel, S, and Vidal, J. "Entanglement entropy beyond the free case." Physical Review Letters 97, no. 22 (December 2006): 220402-null. Full Text
  - Barthel, T, Chung, M-C, and Schollwöck, U. "Entanglement scaling in critical two-dimensional fermionic and bosonic systems(Published online)." Physical Review A 74, no. 2. Full Text
  - Barthel, T, Kasztelan, C, McCulloch, IP, and Schollwöck, U. "Magnetism, coherent many-particle dynamics, and relaxation with ultracold bosons in optical superlattices(Published online)." Physical Review A 79, no. 5. Full Text
  - Barthel, T, Kliesch, M, and Eisert, J. "Real-Space Renormalization Yields Finite Correlations(Published online)." Physical Review Letters 105, no. 1. Full Text
  - Barthel, T, Pineda, C, and Eisert, J. "Contraction of fermionic operator circuits and the simulation of strongly correlated fermions(Published online)." Physical Review A 80, no. 4. Full Text
  - Barthel, T, Schollwöck, U, and White, SR. "Spectral functions in one-dimensional quantum systems at finite temperature using the density matrix renormalization group(Published online)." Physical Review B 79, no. 24. Full Text
  - Barthel, T. "Matrix product purifications for canonical ensembles and quantum number distributions(Published online)." Physical Review B 94, no. 11. Full Text
  - Binder, M, and Barthel, T. "Minimally entangled typical thermal states versus matrix product purifications for the simulation of equilibrium states and time evolution(Published online)." Physical Review B 92, no. 12. Full Text
  - Binder, M, and Barthel, T. "Symmetric minimally entangled typical thermal states for canonical and grand-canonical ensembles(Published online)." Physical Review B 95, no. 19. Full Text
  - Binder, M, and Barthel, T. "Infinite boundary conditions for response functions and limit cycles within the infinite-system density matrix renormalization group approach demonstrated for bilinear-biquadratic spin-1 chains(Published online)." Physical Review B 98, no. 23. Full Text
  - Halimeh, JC, Wöllert, A, McCulloch, I, Schollwöck, U, and Barthel, T. "Domain-wall melting in ultracold-boson systems with hole and spin-flip defects(Published online)." Physical Review A 89, no. 6. Full Text
  - Kliesch, M, Barthel, T, Gogolin, C, Kastoryano, M, and Eisert, J. "Erratum: Dissipative Quantum Church-Turing Theorem [Phys. Rev. Lett.107, 120501 (2011)](Published online)." Physical Review Letters 109, no. 11. Full Text
  - Roux, G, Barthel, T, McCulloch, IP, Kollath, C, Schollwöck, U, and Giamarchi, T. "Quasiperiodic Bose-Hubbard model and localization in one-dimensional cold atomic gases(Published online)." Physical Review A 78, no. 2. Full Text
  - Schlittler, TM, Mosseri, R, and Barthel, T. "Phase diagram of the hexagonal lattice quantum dimer model: Order parameters, ground-state energy, and gaps(Published online)." Physical Review B 96, no. 19. Full Text
  - Vidal, J, Dusuel, S, and Barthel, T. "Entanglement entropy in collective models(Published online)." Journal of Statistical Mechanics: Theory and Experiment 2007, no. 01: P01015-P01015. Full Text
  - Zhou, H-Q, Barthel, T, Fjærestad, JO, and Schollwöck, U. "Entanglement and boundary critical phenomena(Published online)." Physical Review A 74, no. 5. Full Text
Teaching & Mentoring
Recent Courses
Scholarly, Clinical, & Service Activities
Presentations & Appearances

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Education, Training, & Certifications

Selected Grants

Fellowships, Supported Research, & Other Grants

Selected Publications

Academic Articles

Recent Courses

Presentations & Appearances