Layered Kitaev-Ising spin-orbital models map to N-flavor Hubbard models with emergent SU(N) symmetry; mean-field for N=3 yields intertwined orders and spin fragmentation with liquid orbitals.
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Chiral order in 2D nonreciprocal flocks is generically unstable and destroyed by defect proliferation, yielding spatiotemporally chaotic dynamics with a diverging correlation length as nonreciprocity vanishes.
Landau singularity analysis of two-point functions in Schwinger-Keldysh EFTs identifies nonlinear relaxation modes that produce power-law late-time decay when gapless modes are present.
A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.
The layer-antisymmetric pair-phase resonance sits at the bonding-antibonding splitting 2t_h because the antisymmetric bubble reduces pointwise to the static symmetric bubble at that frequency.
The elastic Grüneisen ratio becomes arbitrarily large at low T near maximal frustration in Ising models, signaling extensive ground-state entropy, while Heisenberg models show phase transitions dominating the low-T response.
citing papers explorer
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Fractionalization, emergent SU($N$) symmetries, and fragmentation in layered quantum spin-orbital models
Layered Kitaev-Ising spin-orbital models map to N-flavor Hubbard models with emergent SU(N) symmetry; mean-field for N=3 yields intertwined orders and spin fragmentation with liquid orbitals.
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Breakdown of Emergent Chiral Order and Defect Chaos in Nonreciprocal Flocks
Chiral order in 2D nonreciprocal flocks is generically unstable and destroyed by defect proliferation, yielding spatiotemporally chaotic dynamics with a diverging correlation length as nonreciprocity vanishes.
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Late-Time Relaxation from Landau Singularities
Landau singularity analysis of two-point functions in Schwinger-Keldysh EFTs identifies nonlinear relaxation modes that produce power-law late-time decay when gapless modes are present.
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Superfluidity in the spin-1/2 XY model with power-law interactions
A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.
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Layer-antisymmetric pair-phase resonance at the bonding-antibonding splitting in the AA-stacked bilayer attractive Hubbard model
The layer-antisymmetric pair-phase resonance sits at the bonding-antibonding splitting 2t_h because the antisymmetric bubble reduces pointwise to the static symmetric bubble at that frequency.
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Unveiling Magnetic Frustration via the Elastocaloric Effect
The elastic Grüneisen ratio becomes arbitrarily large at low T near maximal frustration in Ising models, signaling extensive ground-state entropy, while Heisenberg models show phase transitions dominating the low-T response.