Publications of Thomas Barthel    :chronological  by type  by tags  bibtex listing:

Papers Published
  1. Zhang, Y; Barthel, T, Criteria for Davies irreducibility of Markovian quantum dynamics, Journal of Physics A: Mathematical and Theoretical, vol. 57 no. 11 (March, 2024) [doi] [abs] .
  2. Zhang, Y; Barthel, T, Driven-dissipative Bose-Einstein condensation and the upper critical dimension, Physical Review A, vol. 109 no. 2 (February, 2024) [doi] [abs] .
  3. Zhang, Y; Barthel, T, Driven-dissipative Bose-Einstein condensation and the upper critical dimension, arXiv:2311.13561 (November, 2023) [arXiv.2311.13561], [doi] [abs] .
  4. Zhang, Y; Barthel, T, Criteria for Davies irreducibility of Markovian quantum dynamics, arXiv:2310.17641 (October, 2023) [arXiv.2310.17641], [doi] [abs] .
  5. Miao, Q; Barthel, T, Quantum-classical eigensolver using multiscale entanglement renormalization, Physical Review Research, vol. 5 no. 3 (July, 2023) [2108.13401], [doi] [abs] .
  6. Chen, H; Barthel, T, Machine learning with tree tensor networks, CP rank constraints, and tensor dropout, arXiv:2305.19440 (May, 2023) [arXiv.2305.19440], [doi] [abs] .
  7. Miao, Q; Barthel, T, Isometric tensor network optimization for extensive Hamiltonians is free of barren plateaus, arXiv:2304.14320 (April, 2023) [arXiv.2304.14320], [doi] [abs] .
  8. Barthel, T; Miao, Q, Absence of barren plateaus and scaling of gradients in the energy optimization of isometric tensor network states, arXiv:2304.00161 (March, 2023) [arXiv.2304.00161], [doi] [abs] .
  9. Miao, Q; Barthel, T, Convergence and quantum advantage of Trotterized MERA for strongly-correlated systems, arXiv:2303.08910 (March, 2023) [arXiv.2303.08910], [doi] [abs] .
  10. 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 (November, 2022), pp. 113101 [ac8e5c], [doi] [abs] .
  11. Zhang, Y; Barthel, T, Criticality and Phase Classification for Quadratic Open Quantum Many-Body Systems, Physical Review Letters, vol. 129 no. 12 (September, 2022), pp. 120401 [doi] [abs] .
  12. Barthel, T; Lu, J; Friesecke, G, On the closedness and geometry of tensor network state sets, Letters in Mathematical Physics, vol. 112 no. 4 (August, 2022) [doi] [abs] .
  13. Chen, H; Barthel, T, Tensor Network States with Low-Rank Tensors, arXiv:2205.15296 (May, 2022) [2205.15296], [doi] [abs] .
  14. Barthel, T; Zhang, Y, Superoperator structures and no-go theorems for dissipative quantum phase transitions, Physical Review A, vol. 105 no. 5 (May, 2022), pp. 052224 [PhysRevA.105.052224], [doi] [abs] .
  15. Miao, Q; Barthel, T, Eigenstate entanglement scaling for critical interacting spin chains, Quantum, vol. 6 (January, 2022), pp. 642 [doi] [abs] .
  16. T. Barthel, J. Lu, and G. Friesecke, On the closedness and geometry of tensor network state sets, Lett. Math. Phys., vol. 72 (2022), pp. 112 [s11005-022-01552-z], [doi] [abs] .
  17. T. Barthel and Q. Miao, Scaling functions for eigenstate entanglement crossovers in harmonic lattices, Phys. Rev. A 104, vol. 104 (September, 2021), pp. 022414 [PhysRevA.104.022414], [doi] .
  18. Barthel, T; Miao, Q, Scaling functions for eigenstate entanglement crossovers in harmonic lattices, Physical Review A, vol. 104 no. 2 (August, 2021) [1912.10045], [doi] [abs] .
  19. Q. Miao and T. Barthel, Eigenstate entanglement: Crossover from the ground state to volume laws, Phys. Rev. Lett., vol. 127 (July, 2021), pp. 040603 [PhysRevLett.127.040603], [doi] .
  20. Miao, Q; Barthel, T, Eigenstate Entanglement: Crossover from the Ground State to Volume Laws, Physical Review Letters, vol. 127 no. 4 (July, 2021) [1905.07760], [doi] [abs] .
  21. Miao, Q; Barthel, T, Eigenstate entanglement scaling for critical interacting spin chains, arXiv:2010.07265 (October, 2020) [abs] .
  22. Barthel, T; Zhang, Y, Optimized Lie–Trotter–Suzuki decompositions for two and three non-commuting terms, Annals of Physics, vol. 418 (July, 2020), pp. 168165-168165, Elsevier Masson [1901.04974], [doi] [abs] .
  23. Binder, M; Barthel, T, Low-energy physics of isotropic spin-1 chains in the critical and Haldane phases, Physical Review B, vol. 102 no. 1 (July, 2020) [doi] [abs] .
  24. Barthel, T, The matrix product approximation for the dynamic cavity method, Journal of Statistical Mechanics: Theory and Experiment, vol. 2020 no. 1 (January, 2020), pp. 013217-013217, IOP Publishing [1904.03312], [doi] [abs] .
  25. Binder, M; 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, Physical Review B, vol. 98 no. 23 (December, 2018), American Physical Society (APS) [doi] [abs] .
  26. Barthel, T; Lu, J, Fundamental Limitations for Measurements in Quantum Many-Body Systems, Physical Review Letters, vol. 121 no. 8 (August, 2018), pp. 080406 [doi] [abs] .
  27. Barthel, T; De Bacco, C; Franz, S, Matrix product algorithm for stochastic dynamics on networks applied to nonequilibrium Glauber dynamics, Physical Review E, vol. 97 no. 1 (January, 2018), pp. 010104 [doi] [abs] .
  28. Schlittler, TM; Mosseri, R; Barthel, T, Phase diagram of the hexagonal lattice quantum dimer model: Order parameters, ground-state energy, and gaps, Physical Review B, vol. 96 no. 19 (November, 2017), pp. 195142-195142, American Physical Society (APS) [doi] [abs] .
  29. Barthel, T, One-dimensional quantum systems at finite temperatures can be simulated efficiently on classical computers, arXiv:1708.09349 (August, 2017) [abs] .
  30. Binder, M; Barthel, T, Symmetric minimally entangled typical thermal states for canonical and grand-canonical ensembles, Physical Review B, vol. 95 no. 19 (May, 2017), American Physical Society (APS) [doi] [abs] .
  31. Barthel, T, Matrix product purifications for canonical ensembles and quantum number distributions, Physical Review B, vol. 94 no. 11 (September, 2016), American Physical Society (APS) [doi] [abs] .
  32. Gori, L; Barthel, T; Kumar, A; Lucioni, E; Tanzi, L; Inguscio, M; Modugno, G; Giamarchi, T; D'Errico, C; Roux, G, Finite-temperature effects on interacting bosonic one-dimensional systems in disordered lattices, Physical Review A, vol. 93 no. 3 (March, 2016), American Physical Society (APS) [doi] [abs] .
  33. Schlittler, T; Barthel, T; Misguich, G; Vidal, J; Mosseri, R, Phase diagram of an extended quantum dimer model on the hexagonal lattice, Physical Review Letters, vol. 115 no. 21 (November, 2015), pp. 217202 [doi] [abs] .
  34. Binder, M; Barthel, T, Minimally entangled typical thermal states versus matrix product purifications for the simulation of equilibrium states and time evolution, Physical Review B - Condensed Matter and Materials Physics, vol. 92 no. 12 (September, 2015), American Physical Society (APS) [doi] [abs] .
  35. Mölter, J; Barthel, T; Schollwöck, U; Alba, V, Bound states and entanglement in the excited states of quantum spin chains, Journal of Statistical Mechanics: Theory and Experiment, vol. 2014 no. 10 (October, 2014), pp. P10029-P10029, IOP Publishing [doi] [abs] .
  36. Halimeh, JC; Wöllert, A; McCulloch, I; Schollwöck, U; Barthel, T, Domain-wall melting in ultracold-boson systems with hole and spin-flip defects, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 89 no. 6 (June, 2014), American Physical Society (APS) [doi] [abs] .
  37. Cai, Z; Barthel, T, Algebraic versus exponential decoherence in dissipative many-particle systems, Physical Review Letters, vol. 111 no. 15 (October, 2013), pp. 150403 [doi] [abs] .
  38. Lake, B; Tennant, DA; Caux, JS; Barthel, T; Schollwöck, U; Nagler, SE; Frost, CD, Multispinon continua at zero and finite temperature in a near-ideal heisenberg Chain, Physical Review Letters, vol. 111 no. 13 (September, 2013), pp. 137205 [doi] [abs] .
  39. Barthel, T, Precise evaluation of thermal response functions by optimized density matrix renormalization group schemes, New Journal of Physics, vol. 15 no. 7 (July, 2013), pp. 073010-073010, IOP Publishing [doi] [abs] .
  40. Kliesch, M; Barthel, T; Gogolin, C; Kastoryano, M; Eisert, J, Erratum: Dissipative quantum church-turing theorem (Physical Review Letters (2011) 107 (120501)), Physical Review Letters, vol. 109 no. 11 (September, 2012), American Physical Society (APS) [doi] .
  41. Barthel, T; Kliesch, M, Quasilocality and efficient simulation of Markovian quantum dynamics, Physical Review Letters, vol. 108 no. 23 (June, 2012), pp. 230504 [doi] [abs] .
  42. Barthel, T; Hübener, R, Solving condensed-matter ground-state problems by semidefinite relaxations, Physical Review Letters, vol. 108 no. 20 (May, 2012), pp. 200404 [doi] [abs] .
  43. Kliesch, M; Barthel, T; Gogolin, C; Kastoryano, M; Eisert, J, Dissipative quantum Church-Turing theorem, Physical Review Letters, vol. 107 no. 12 (September, 2011), pp. 120501 [doi] [abs] .
  44. Barthel, T; Kliesch, M; Eisert, J, Real-space renormalization yields finite correlations., Physical review letters, vol. 105 no. 1 (July, 2010), pp. 010502, American Physical Society (APS) [doi] [abs] .
  45. Pineda, C; Barthel, T; Eisert, J, Unitary circuits for strongly correlated fermions, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 81 no. 5 (May, 2010), American Physical Society (APS) [doi] [abs] .
  46. Barthel, T; Pineda, C; Eisert, J, Contraction of fermionic operator circuits and the simulation of strongly correlated fermions, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 80 no. 4 (October, 2009), American Physical Society (APS) [doi] [abs] .
  47. Barthel, T; Schollwöck, U; White, SR, Spectral functions in one-dimensional quantum systems at finite temperature using the density matrix renormalization group, Physical Review B - Condensed Matter and Materials Physics, vol. 79 no. 24 (June, 2009), American Physical Society (APS) [doi] [abs] .
  48. Barthel, T; Kasztelan, C; McCulloch, IP; Schollwöck, U, Magnetism, coherent many-particle dynamics, and relaxation with ultracold bosons in optical superlattices, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 79 no. 5 (May, 2009), American Physical Society (APS) [doi] [abs] .
  49. Roux, G; Barthel, T; McCulloch, IP; Kollath, C; Schollwöck, U; Giamarchi, T, Quasiperiodic Bose-Hubbard model and localization in one-dimensional cold atomic gases, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 78 no. 2 (August, 2008), American Physical Society (APS) [doi] [abs] .
  50. Barthel, T; Schollwöck, U, Dephasing and the steady state in quantum many-particle systems, Physical Review Letters, vol. 100 no. 10 (March, 2008), pp. 100601 [doi] [abs] .
  51. Vidal, J; Dusuel, S; Barthel, T, Entanglement entropy in collective models, Journal of Statistical Mechanics: Theory and Experiment, vol. 2007 no. 1 (January, 2007), pp. P01015-P01015, IOP Publishing [doi] [abs] .
  52. Zhou, HQ; Barthel, T; Fjærestad, JO; Schollwöck, U, Entanglement and boundary critical phenomena, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 74 no. 5 (November, 2006), American Physical Society (APS) [doi] [abs] .
  53. Barthel, T; Chung, MC; Schollwöck, U, Entanglement scaling in critical two-dimensional fermionic and bosonic systems, Physical Review A - Atomic, Molecular, and Optical Physics, vol. 74 no. 2 (September, 2006), American Physical Society (APS) [doi] [abs] .
  54. Barthel, T; Dusuel, S; Vidal, J, Entanglement entropy beyond the free case, Physical Review Letters, vol. 97 no. 22 (January, 2006), pp. 220402 [doi] [abs] .
Papers Accepted
  1. Q. Miao and T. Barthel, Quantum-classical eigensolver using multiscale entanglement renormalization, Phys. Rev. Res., vol. 5 (2023), pp. 033141 [PhysRevResearch.5.033141], [doi] [abs] .
Papers Submitted
  1. T. Barthel and Y. Zhang, Solving quasi-free and quadratic Lindblad master equations for open fermionic and bosonic systems, arXiv:2112.08344 (December, 2021) [2112.08344] .
  2. T. Barthel, J. Lu, and G. Friesecke, On the closedness and geometry of tensor network state sets, arXiv:2108.00031 (August, 2021) [2108.00031] .

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