TTNR combines global-optimization TNR with a new thermal density-matrix construction to extract high-accuracy CFT data at 2D quantum thermal transitions.
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A QR-based CTMRG variant accelerates iPEPS contractions by up to two orders of magnitude on GPUs with no accuracy loss for the Heisenberg and J1-J2 models.
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Global Tensor Network Renormalization for 2D Quantum systems: A new window to probe universal data from thermal transitions
TTNR combines global-optimization TNR with a new thermal density-matrix construction to extract high-accuracy CFT data at 2D quantum thermal transitions.
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Accelerating two-dimensional tensor network contractions using QR decompositions
A QR-based CTMRG variant accelerates iPEPS contractions by up to two orders of magnitude on GPUs with no accuracy loss for the Heisenberg and J1-J2 models.