coupled Ising chains 1gradient optimization 1implicit differentiation 1matrix product states 1numerical stability 1projected entangled-pair states 1quantum phase transitions 1renormalization group 1SO(N) spin chains 1symmetry-protected topological phases 1tensor networks 1
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quant-ph2024
Fermionic tensor network methods
Quinten Mortier, Lukas Devos, Lander Burgelman +5
We show how fermionic statistics can be naturally incorporated in tensor networks on arbitrary graphs through the use of graded Hilbert spaces. This formalism allows to use tensor…
cond-mat.str-el2024
Non-Landau quantum phase transition in modulated SU(N) Heisenberg spin chains
Sylvain Capponi, Lukas Devos, Philippe Lecheminant +2
We investigate the nature of the quantum phase transition in modulated SU(N) Heisenberg spin chains. In the odd-N case, the transition separates a trivial non-degenerate phase to a…