Maple-leaf lattice realizes U(1) Dirac spin liquid with N_f=12, where five symmetry-trivial charge-one monopoles may be dynamically irrelevant, providing a large-flavor platform to test compact QED3 stability.
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iPEPS simulations with bond-dimension extrapolation locate a quantum spin liquid phase in the Shastry-Sutherland model for 0.785(5) ≤ J'/J ≤ 0.82(1).
Exact diagonalization reveals an extended regime of incommensurate spin-density waves with continuously varying ordering vector on the ferromagnetic boundary of the maple-leaf lattice Heisenberg model.
Numerical diagonalization reveals a spin excitation gap that closes at J_d/J_b ≈ 1.4 for S=1/2 and S=1, with an additional gapped phase for S=1 near the exact-dimer limit.
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.
Numerical tensor-network study identifies Néel, Ising, collinear, and incommensurate spiral phases plus their transitions in the J1-J2 XY antiferromagnet on the honeycomb lattice.
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Large-flavor route to a stable U(1) Dirac spin liquid on the maple-leaf lattice
Maple-leaf lattice realizes U(1) Dirac spin liquid with N_f=12, where five symmetry-trivial charge-one monopoles may be dynamically irrelevant, providing a large-flavor platform to test compact QED3 stability.
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Quantum spin liquid phase in the Shastry-Sutherland model revealed by high-precision infinite projected entangled-pair states
iPEPS simulations with bond-dimension extrapolation locate a quantum spin liquid phase in the Shastry-Sutherland model for 0.785(5) ≤ J'/J ≤ 0.82(1).
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Incommensurate Spin-Density Waves in a Frustrated Maple-Leaf Lattice Ferromagnet
Exact diagonalization reveals an extended regime of incommensurate spin-density waves with continuously varying ordering vector on the ferromagnetic boundary of the maple-leaf lattice Heisenberg model.
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Spin excitation of the Heisenberg antiferromagnet with frustration: from the bounce-lattice antiferromagnet through the maple-leaf-lattice antiferromagnet to the exact-dimer system
Numerical diagonalization reveals a spin excitation gap that closes at J_d/J_b ≈ 1.4 for S=1/2 and S=1, with an additional gapped phase for S=1 near the exact-dimer limit.
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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.
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Magnetic phases in the $J_{1}$-$J_{2}$ antiferromagnetic XY model on the honeycomb lattice
Numerical tensor-network study identifies Néel, Ising, collinear, and incommensurate spiral phases plus their transitions in the J1-J2 XY antiferromagnet on the honeycomb lattice.