MPS simulations of the Gross-Neveu-Wilson model at finite density reveal topological crystals for weak coupling and soliton lattices for stronger coupling due to Hilbert-space fragmentation, with quasi-spirals off the symmetry line.
Zak, Berry’s phase for energy bands in solids, Phys
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Above a critical parametric drive, a cross-Kerr-coupled resonator chain enters a nonlinearity-dictated topological phase with spontaneous symmetry breaking and non-trivial bulk-boundary correspondence.
In monitored SSH chains, spatially selective dissipation preserves edge-mode signatures in two-point correlations and disconnected entanglement entropy.
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Topological crystals and soliton lattices in a Gross-Neveu model with Hilbert-space fragmentation
MPS simulations of the Gross-Neveu-Wilson model at finite density reveal topological crystals for weak coupling and soliton lattices for stronger coupling due to Hilbert-space fragmentation, with quasi-spirals off the symmetry line.
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Nonlinearity-driven Topology via Spontaneous Symmetry Breaking
Above a critical parametric drive, a cross-Kerr-coupled resonator chain enters a nonlinearity-dictated topological phase with spontaneous symmetry breaking and non-trivial bulk-boundary correspondence.
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Dynamics of edge modes in monitored Su-Schrieffer-Heeger Models
In monitored SSH chains, spatially selective dissipation preserves edge-mode signatures in two-point correlations and disconnected entanglement entropy.