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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K2Mn(SeO3)2 shows multiple field-dependent magnetic phases whose excitation spectra, including a high-energy continuum, are explained by non-linear spin wave theory that includes magnon interactions even at large S=5/2.
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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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Dynamics and thermodynamics of the S = 5/2 almost Heisenberg triangular lattice antiferromagnet K2Mn(SeO3)2
K2Mn(SeO3)2 shows multiple field-dependent magnetic phases whose excitation spectra, including a high-energy continuum, are explained by non-linear spin wave theory that includes magnon interactions even at large S=5/2.