Non-abelian symmetries in the simulation of strongly-correlated quantum many-body systems based on tensor networks

• Applicant: Andreas Weichselbaum, Ph.D.
• Subject Area: Theoretical Condensed Matter Physics
• Term: from 2015 to 2017
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 269015890

• Final Report Year: 2020

Final Report Abstract

No abstract available

Publications

• Dynamical meanfield theory plus numerical renormalization group study of spin-orbital separation in a three-band Hund metal. Physical Review Letters, Vol. 115. 2015, Issue 13, 136401.
  K. M. Stadler, Z. P. Yin, J. von Delft, G. Kotliar, A.Weichselbaum
  
• Emergent spin-1 trimerized valence bond crystal in the spin-1/2 Heisenberg model on the star lattice. Physical Review B, Vol. 97. 2018, Issue 7, 075146.
  S.-J. Ran, W. Li, S.-S. Gong, A. Weichselbaum, J. von Delft, G. Su
  
• Exponential thermal tensor network approach for quantum lattice models. Physical Review X, Vol. 8. 2018, Issue 3, 031082.
  B.-B. Chen, L. Chen, Z. Chen, W. Li, A. Weichselbaum
  
• Filling-driven mott transition in SU(N) Hubbard models. Physical Review B, Vol. 97, 2018, Issue 16, 165143.
  S.-S. B. Lee, J. von Delft, A. Weichselbaum
  
• Unified phase diagram of antiferromagnetic SU(N) spin ladders. Physical Review B, Vol. 98. 2018, Issue 8, 085104.
  A.Weichselbaum, S. Capponi, P. Lecheminant, A. M. Tsvelik, A. M. Läuchli
  
• Hundness versus mottness in a three-band hubbard-hund model: on the origin of strong correlations in hund metals. Annals of Physics, Vol. 405. 2019, pp. 365-409.
  K. Stadler, G. Kotliar, A. Weichselbaum, J. von Delft
  
• Two-temperature scales in the triangular-lattice Heisenberg antiferromagnet. Physical Review B, Vol. 99. 2019, Issue 14, 140404(R).
  L. Chen, D.-W. Qu, H. Li, B.-B. Chen, S.-S. Gong, J. von Delft, A. Weichselbaum, W. Li