Large-scale QMC simulations identify a multicritical point in the phase diagram of the (2+1)D SO(5) nonlinear sigma model with WZW term.
O.et al.Spectrum and low-energy gap in triangular quantum spin liquid NaYbSe2.arXiv e-prints arXiv:2406.17773 (2024)
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Experimental realization of large-scale U(1) quantum spin liquid regions in a 2D analog quantum simulator using ultracold atoms, with evidence from Gauss-law compliance, pinch-point correlations, and many-body coherence over ~100 sites.
Numerical simulations of the dynamical dimer structure factor on the triangular Heisenberg model provide support for a gapless U(1) Dirac quantum spin liquid with gapless singlet monopole excitations at X = K/2 momenta.
Charge-pumping simulation extracts Chern numbers and identifies anomalous composite Fermi liquids from neural network wavefunctions in fractional Chern insulators.
Nematic Bond Theory is used to map finite-temperature phases and correlation lengths of the triangular-lattice Heisenberg model with up to third-neighbor exchanges, identifying spiral spin liquids along the J3 = J2/2 line.
Lattice DQMC simulations of mixed QED3 with flavor chemical potential identify a chiral flux phase featuring spontaneous emergent gauge flux, broken U(1)m symmetry, and relativistic Landau levels for Dirac fermions.
Infinite PEPS simulations find a direct Néel-to-QSL transition at J2/J1 ≈ 0.08 in the triangular J1-J2 model and indicate the QSL is gapless, consistent with a U(1) Dirac spin liquid.
YbCu1.14Se2 exhibits random singlet physics driven by exchange disorder in its 2D triangular lattice rather than quantum spin liquid behavior.
Advocates treating numerical, analytical, and experimental efforts as equal contributors to progress in quantum magnetism instead of viewing them as supporting tools.
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Numerical evidence of a critical point in the (2+1)D SO(5) nonlinear sigma model with Wess-Zumino-Witten term
Large-scale QMC simulations identify a multicritical point in the phase diagram of the (2+1)D SO(5) nonlinear sigma model with WZW term.
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Dynamical preparation of U(1) quantum spin liquids in an analogue quantum simulator
Experimental realization of large-scale U(1) quantum spin liquid regions in a 2D analog quantum simulator using ultracold atoms, with evidence from Gauss-law compliance, pinch-point correlations, and many-body coherence over ~100 sites.
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Dynamical dimer structure factor of the triangular $S=1/2$ Heisenberg antiferromagnet
Numerical simulations of the dynamical dimer structure factor on the triangular Heisenberg model provide support for a gapless U(1) Dirac quantum spin liquid with gapless singlet monopole excitations at X = K/2 momenta.
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Topological invariant of periodic many body wavefunction from charge pumping simulation
Charge-pumping simulation extracts Chern numbers and identifies anomalous composite Fermi liquids from neural network wavefunctions in fractional Chern insulators.
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Investigation of the $J_1$-$J_2$ Heisenberg model on the triangular lattice: A study with projected entangled-pair states
Infinite PEPS simulations find a direct Néel-to-QSL transition at J2/J1 ≈ 0.08 in the triangular J1-J2 model and indicate the QSL is gapless, consistent with a U(1) Dirac spin liquid.
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Theoretical and Numerical Efforts in Understanding Modern Experiments on Quantum Magnetism
Advocates treating numerical, analytical, and experimental efforts as equal contributors to progress in quantum magnetism instead of viewing them as supporting tools.