2 citations · 7 across the 14 of their papers we have counts for
14 papers
Green parafermions as emergent flat-band excitations in condensed matter
Huan-Qiang Zhou, Ian P. McCulloch, Murray T. Batchelor
Green parafermions, originally introduced by Green and extended by Greenberg and Messiah through trilinear and relative trilinear commutation relations beyond Bose-Fermi statistics…
Spontaneous symmetry breaking with type-B Goldstone modes in the SO() ferromagnetic model: an entanglement perspective
Qian-Qian Shi, Huan-Qiang Zhou, Murray T. Batchelor +1
Spontaneous symmetry breaking with type-B Goldstone modes is investigated in the SO() ferromagnetic model. A set of orthonormal basis states in the ground state subspace are…
Emergent Goldstone flat bands and spontaneous symmetry breaking with type-B Goldstone modes
Huan-Qiang Zhou, Jesse J. Osborne, Qian-Qian Shi +1
For a quantum many-body spin system undergoing spontaneous symmetry breaking with type-B Goldstone modes, a high degree of degeneracy arises in the ground state manifold. Generical…
Entanglement entropy for the one-dimensional flat-band ferromagnetic Tasaki model: spontaneous symmetry breaking with one type-B Goldstone mode
Huan-Qiang Zhou, Qian-Qian Shi, Ian P. McCulloch +1
The one-dimensional flat-band ferromagnetic Tasaki model exhibits spontaneous symmetry breaking from to with one type-B Goldstone mode, featuring that th…
Entanglement entropy for a type of scale-invariant states in two spatial dimensions and beyond: universal finite-size scaling
Huan-Qiang Zhou, Qian-Qian Shi, Ian P. McCulloch +1
A generic scheme is proposed to investigate the entanglement entropy for a type of scale-invariant states, valid for orthonormal basis states in the ground state subspace of quantu…
Quantum entanglement entropy and Tomonaga-Luttinger liquid to liquid transition in biquadratic spin-1 XY chain with rhombic single-ion anisotropy
Yan-Wei Dai, Yao Heng Su, Sam Young Cho +1
Quantum phase transitions (QPTs) are investigated in biquadratic spin- XY chain with rhombic single-ion anisotropy by using the ground state energy (GE), the bipartite entanglem…
Wigner-Yanase skew information, quantum entanglement and spin nematic quantum phase transitions in biquadratic spin-1 and spin-2 XY chains with single-ion anisotropies
Yan-Wei Dai, Sheng-Hao Li, Sam Young Cho +1
Quantum phase transitions (QPTs) between uniaxial or biaxial spin nematic (SN) phases are investigated in biquadratic spin-1 and spin-2 XY infinite chains with the rhombic- and uni…
Fractals and spontaneous symmetry breaking with type-B Goldstone modes: a perspective from entanglement
Huan-Qiang Zhou, Qian-Qian Shi, John O. Fjærestad +1
The one-dimensional spin- ferromagnetic Heisenberg model, as a paradigmatic example for spontaneous symmetry breaking (SSB) with type-B Goldstone modes (GMs), is e…
Exact matrix product state representations for a type of scale-invariant states
Huan-Qiang Zhou, Qian-Qian Shi, Ian P. McCulloch
Exact matrix product state representations for a type of scale-invariant states are presented, which describe highly degenerate ground states arising from spontaneous symmetry brea…
Entanglement and logarithmic spirals in a quantum spin-1 many-body system with competing dimer and trimer interactions
Huan-Qiang Zhou, Qian-Qian Shi, Ian P. McCulloch +1
Spontaneous symmetry breaking (SSB) with type-B Goldstone modes is investigated in the macroscopically degenerate phase for a quantum spin-1 many-body system with competing dimer a…
The ground-state phase diagram for an alternative anisotropic extension of quantum spin-1 ferromagnetic biquadratic model
Yan-Wei Dai, Qian-Qian Shi, Xi-Hao Chen +1
The ground-state phase diagram is mapped out for an alternative anisotropic extension of quantum spin-1 ferromagnetic biquadratic model, which accommodates twelve distinct phases:…
An alternative spontaneous symmetry breaking pattern for with no gapless Goldstone mode
Huan-Qiang Zhou, Qian-Qian Shi, Yan-Wei Dai
An emergent gapless Goldstone mode originates from continuous spontaneous symmetry breaking, which has become a doctrine since the pioneering work by Goldstone [J. Goldstone, Nuovo…
Type-B Goldstone modes and a logarithmic spiral in the staggered ferromagnetic spin-orbital model
Qian-Qian Shi, Huan-Qiang Zhou, Ian P. McCulloch +1
It is found that the staggered ferromagnetic spin-orbital model accommodates highly degenerate ground states arising from spontaneous symmetry breaking with type-B Gold…
Extracting the number of type-B Goldstone modes and the dynamical critical exponent for a type of scale-invariant states
Huan-Qiang Zhou, Yan-Wei Dai, Qian-Qian Shi +2
A generic scheme is proposed to perform a finite-entanglement scaling analysis for scale-invariant states, which appear to be highly degenerate ground states arising from spontaneo…