Ordered phases of XXZ-symmetric spin-1/2 zigzag ladder

Abstract

Using bosonization approach, we derive an effective low-energy theory for XXZ-symmetric spin-1/2 zigzag ladders and discuss its phase diagram by a variational approach. A spin nematic phase emerges in a wide part of the phase diagram, either critical or massive. Possible crossovers between the spontaneously dimerized and spin nematic phases are discussed, and the topological excitations in all phases identified.

arXiv comment14 pages, 3 figures. submitted to The European Physical Journal B

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Cited by in corpus (7)

• Bose Hubbard Model in a Strong Effective Magnetic Field: Emergence of a Chiral Mott Insulator Ground State
• Ground-state phase diagram of a spin-1/2 frustrated ferromagnetic XXZ chain: Haldane dimer phase and gapped/gapless chiral phases
• Chiral Mott insulator with staggered loop currents in the fully frustrated Bose Hubbard model
• Persisting Meissner state and incommensurate phases of hard-core boson ladders in a flux
• Incommensurate phases of a bosonic two-leg ladder under a flux
• Quantum phase transitions of a two-leg bosonic ladder in an artificial gauge field
• Jordan-Wigner approach to the frustrated spin one-half XXZ chain