Quantum stabilization of 1/3-magnetization plateau in Cs_2CuBr_4

Abstract

We consider the phase diagram of a spatially anisotropic 2D triangular antiferromagnet in a magnetic field. Classically, the ground state is umbrella-like for all fields, but we show that the quantum phase diagram is much richer and contains a 1/3 magnetization plateau, two commensurate planar states, two incommensurate chiral umbrella phases, and, possibly, a planar state separating the two chiral phases. Our analysis sheds light on several recent experimental findings for the spin-1/2 system Cs_2CuBr_4.

4+ pages, 2 figures

References in corpus (10)

• Direct Measurement of the Spin Hamiltonian and Observation of Condensation of Magnons in the 2D Frustrated Quantum Magnet Cs2CuCl4
• Magnetization plateaus in frustrated antiferromagnetic quantum spin models
• Ordering in spatially anisotropic triangular antiferromagnets
• Magnetic phase transitions in the two-dimensional frustrated quantum antiferromagnet Cs2CuCl4
• Magnetization plateaux of S = 1/2 two-dimensional frustrated antiferromagnet Cs${}_2$CuBr${}_4$
• Observation of a Transient Magnetization Plateau in a Quantum Antiferromagnet on the Kagome Lattice
• Ground states of a frustrated spin-1/2 antifferomagnet: Cs_2CuCl_4 in a magnetic field
• Thermodynamics of the Up-Up-Down Phase of the S = 1/2 Triangular-Lattice Antiferromagnet Cs${}_2$CuBr${}_4$
• Quantum Fluctuation-Induced Phase Transition in S=1/2 XY-like Heisenberg Antiferromagnets on the Triangular Lattice
• Commensurate and incommensurate ground states of Cs_2CuCl_4 in a magnetic field

Cited by in corpus (68)

• Experimental Realization of Spin-1/2 Triangular-Lattice Heisenberg Antiferromagnet
• Unusual ordered phases of highly frustrated magnets: a review
• Magnetization Process and Collective Excitations in the S=1/2 Triangular-Lattice Heisenberg Antiferromagnet Ba3CoSb2O9
• Anisotropic field-induced ordering in the triangular-lattice quantum spin liquid NaYbSe${}_2$
• Cascade of magnetic-field-induced quantum phase transitions in a spin $1/2$ triangular-lattice antiferromagnet
• Field-induced instability of the quantum-spin-liquid ground state in the $J_{\mathrm{eff}}=\frac{1}{2}$ triangular-lattice compound NaYbO${}_2$
• Extreme sensitivity of a frustrated quantum magnet: Cs_2CuCl_4
• The nature of spin excitations in the one-third magnetization plateau phase of Ba${}_3$CoSb${}_2$O${}_9$
• Successive magnetic phase transitions and multiferroicity in Spin-1 triangular lattice antiferromagnet Ba${}_3$NiNb${}_2$O${}_9$
• Possible itinerant excitations and quantum spin state transitions in the effective spin-1/2 triangular-lattice antiferromagnet Na${}_2$BaCo(PO${}_4$)${}_2$
• Frustrated two dimensional quantum magnets
• Phase diagram of the classical Heisenberg antiferromagnet on a triangular lattice in applied magnetic field
• High-Order Coupled Cluster Method Study of Frustrated and Unfrustrated Quantum Magnets in External Magnetic Fields
• Magnetic phase diagram of the spin-1/2 antiferromagnetic zigzag ladder
• Ground States of Spin-1/2 Triangular Antiferromagnets in a Magnetic Field
• Quantum Magnetization Plateau in Spin-1 Triangular-Lattice Antiferromagnet Ba${}_3$NiSb${}_2$O${}_9$
• Deformed triangular lattice antiferromagnets in a magnetic field: role of spatial anisotropy and Dzyaloshinskii-Moriya interactions
• Survival of itinerant excitations and quantum spin state transitions in YbMgGaO${}_4$ with chemical disorder
• Avoided quasiparticle decay and enhanced excitation continuum in the spin-1/2 near-Heisenberg triangular antiferromagnet Ba3CoSb2O9
• Quantum magnetism on the Cairo pentagonal lattice
• Quantum stabilization of classically unstable plateau structures
• Determination of effective microscopic models for the frustrated antiferromagnets Cs${}_2$CuCl${}_4$ and Cs${}_2$CuBr${}_4$ by density functional methods
• Novel phases in a square-lattice frustrated ferromagnet : 1/3-magnetisation plateau, helicoidal spin-liquid and vortex crystal
• Quantum magnetic properties of the spin-1/2 triangular-lattice antiferromagnet Ba${}_2$La${}_2$CoTe${}_2$O${}_{12}$
• Synthesis, magnetization and heat capacity of triangular lattice materials NaErSe${}_2$ and KErSe${}_2$
• Development of short and long-range magnetic order in the double perovskite based frustrated triangular lattice antiferromagnet Ba2MnTeO6
• Observation of a 1/3 Magnetisation Plateau Phase as Evidence for the Kitaev Interaction in a Honeycomb-Lattice Antiferromagnet
• Non-linear magnons and exchange Hamiltonians of delafossite proximate quantum spin liquids
• Lattice distortion effects on the frustrated spin-1 triangular-antiferromagnet A3NiNb2O9 (A = Ba, Sr and Ca)
• Double phase transition in the triangular antiferromagnet Ba${}_3$CoTa${}_2$O${}_9$
• Half-magnetization plateau and the origin of threefold symmetry breaking in an electrically-switchable triangular antiferromagnet
• Ground-state properties of the triangular-lattice Heisenberg antiferromagnet with arbitrary spin quantum number $s$
• Half-magnetization plateau in a Heisenberg antiferromagnet on a triangular lattice
• Spin-current order in anisotropic triangular antiferromagnets
• Evidence of Two-Spinon Bound States in the Magnetic Spectrum of Ba${}_3$CoSb${}_2$O${}_9$
• Variational Studies of Triangular Heisenberg Antiferromagnet in Magnetic Field
• Featureless quantum spin liquid, 1/3-magnetization plateau state and exotic thermodynamic properties of spin-1/2 frustrated Heisenberg antiferromagnet on an infinite Husimi lattice
• Magnetization Process of the Spin-1/2 Triangular-Lattice Heisenberg Antiferromagnet with Next-Nearest-Neighbor Interactions -- Plateau or Nonplateau
• Successive phase transitions and quantum magnetization plateau in the spin-1 triangular-lattice antiferromagnet Ba${}_2$La${}_2$NiTe${}_2$O${}_{12}$
• Colorful points in the XY regime of XXZ quantum magnets
• Wannier states and spin supersolid physics in the triangular antiferromagnet K${}_2$Co(SeO${}_3$)${}_2$
• Emergent quantum phases in a frustrated J1-J2 Heisenberg model on hyperhoneycomb lattice
• Semiclassical analysis of a magnetization plateau in a 2D frustrated ferrimagnet
• The magnetization process of the spin-one triangular-lattice Heisenberg antiferromagnet
• Magnetic phase diagram of a 2-dimensional triangular lattice antiferromagnet Na${}_2$BaMn(PO${}_4$)${}_2$
• Magnons and Spinons in ${\mathrm{Ba}}_2{\mathrm{CoTeO}}_6$: A Composite System of Isolated Spin-$1/2$ Triangular Heisenberg-like and Frustrated Honeycomb Ising-like Antiferromagnets
• Color ice states, weathervane modes, and order by disorder in the bilinear-biquadratic pyrochlore Heisenberg antiferromagnet
• Field-orientation dependence of quantum phase transitions in the S=1/2 triangular-lattice antiferromagnet Ba${}_3$CoSb${}_2$O${}_9$
• Spin frustration and magnetic ordering in triangular lattice antiferromagnet Ca${}_3$CoNb${}_2$O${}_9$
• Non-perturbative approach to quantum liquid ground states on geometrically frustrated Heisenberg antiferromagnets
• Trimer classical spin liquid from interacting fractional charges
• Non-Coplanar Model States in Quantum Magnetism Applications of the High-Order Coupled Cluster Method
• Roller-Coaster in a Flatland: Magnetoresistivity in Eu-intercalated Graphite
• Half-metallic magnetization plateaux
• Polarization Plateau in Atomic Fermi Gas Loaded on Triangular Optical Lattice
• Six magnetization plateau phases in a spin-1/2 distorted kagome antiferromagnet: application to ${\mathrm{Y}}_3{\mathrm{Cu}}_9(\mathrm{OH}{)}_{19}{\mathrm{Cl}}_8$
• Spin relaxation in Cs${}_2$CuCl${}_{4-x}$Br${}_x$
• Low-energy spin dynamics in a Kitaev material Na3Ni2BiO6 investigated by NMR
• Itinerant fermions on a triangular lattice: unconventional magnetism and other ordered states
• Magnetic phase diagram in three-dimensional triangular-lattice antiferromagnet Sr${}_3$CoTa${}_2$O${}_9$ with small easy-axis anisotropy
• Quantum selection of order and dynamic properties of Kitaev-Heisenberg ferromagnet on a triangular lattice
• Spin dynamics of antiferromagnets in the presence of a homogeneous magnetization
• Demystifying quantum escapism on the honeycomb lattice
• Insulating charge transfer ferromagnetism
• Strongly frustrated 2D magnetism in a 3D hexagonal perovskite
• Magnetic and magnetocaloric effect in the stuffed honeycomb antiferromagnet GdInO3 polycrystalline
• Honeycomb-lattice Gamma model in a magnetic field: hidden Néel order and spin-flop transition
• Robust semiclassical magnetization plateau in the kagome lattice