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Spin-Liquid State in the S 1 2 Hyperkagome Antiferromagnet.
Topological nematic spin liquid on the square kagome lattice.
Spin Liquid Ground State in the Frustrated Kagome Antiferromagnet MgCu3.
Realizing quantum spin liquid phase on an analog Hamiltonian Rydberg.
A new class of bilayer kagome lattice compounds with Dirac nodal lines.
Gapless Spin-Liquid Ground State in the $S=1/2$ Kagome Antiferromagnet.
Spin liquids on kagome lattice and symmetry protected.
Site-Specific Structure at Multiple Length Scales in Kagome.
Chemistry of Quantum Spin Liquids.
Kagome Chiral Spin Liquid as a Gauged U(1) Symmetry Protected.
Gapless spin liquid in a square-kagome lattice antiferromagnet.
[2206.04352] Power-law dynamics in the spin-liquid kagome lattices.
PDF Kagome Lattice Quantum Antiferromagnets - George Mason University.

Spin-Liquid State in the S 1 2 Hyperkagome Antiferromagnet.

The phase diagram of the spin-1/2 KHA in the plane of temperature and magnetic field, which consists of the phases including gapless quantum spin liquid (QSL), algebraic paramagnetic liquid, field-induced ordered phase, intermediate (spin canted) phase, and conventional paramagnetic state. Jul 27, 2021 · Title: Gapless Spin Liquid Behavior in A Kagome Heisenberg Antiferromagnet with Randomly Distributed Hexagons of Alternate Bonds Authors: Jiabin Liu , Long Yuan , Xuan Li , Boqiang Li , Kan Zhao , Haijun Liao , Yuesheng Li.

Topological nematic spin liquid on the square kagome lattice.

We argue that a relatively simple model containing only SU(2)-invariant chiral three-spin interactions on a Kagome lattice of S = 1/2 spins can give rise to both a gapped and a gapless quantum spin liquid. Our arguments are rooted in a formulation in terms of network models of edge states and are backed up by a careful numerical analysis.

Spin Liquid Ground State in the Frustrated Kagome Antiferromagnet MgCu3.

The concept of a quantum spin liquid is important for problems ranging from quantum spin chains to high-temperature superconductivity. This review gives a pedagogical introduction to the theoretical concepts behind this fascinating topic, and also discusses the current experimental situation.... (dmit) 2] 2], kagome-lattice system [ZnCu 3 (OH. We report a new kagome quantum spin liquid candidate Cu 3 Zn(OH) 6 FBr, which does not experience any phase transition down to 50 mK, more than three orders lower than the antiferromagnetic Curie-Weiss temperature (∼200 K). A clear gap opening at low temperature is observed in the uniform spin susceptibility obtained from 19 F nuclear magnetic resonance measurements. With a corner-shared triangle structure (Fig.1A) is crucial for the search for a quantum spin liquid ground state (1,2). Spin-liquids consist of entangled pairs of spin-singlets, and do not undergo a magnetic phase transition. The successful synthesis of the structurally ideal kagome lattice of Cu2+ ions (spin S=1/2) in herbertsmithite ZnCu 3.

Realizing quantum spin liquid phase on an analog Hamiltonian Rydberg.

A numerical analysis suggests that the elusive ground state of the antiferromagnetic Heisenberg model for the kagome lattice is a gapless spin liquid. APS/ Alan Stonebraker. Figure 1:Liao and colleagues [ 1] performed a numerical simulation on an infinite kagome lattice (green). As they turn up the value of a parameter D (shown by the meter) in.

A new class of bilayer kagome lattice compounds with Dirac nodal lines.

Gapless quantum spin liquid, stripe and antiferromagnetic phases in frustrated Hubbard mode; Electronic structure of nuclear-spin-polarization-induced quantum dots; Quantum spin liquid states in the two dimensional kagome antiferromagnets, ZnxCu4-x(OD)6Cl2; From high temperature supercondutivity to quantum spin liquid progress in strong. Our results suggest that the magnetic ground state of YCu3(OH)6Br2[Br1−x(OH)x] is consistent with a Dirac quantum-spin-liquid state with a linearly dispersing spinon strongly coupled to an emergent gauge field, which has long been theoretically proposed as a candidate ground state in the two-dimensional kagome Heisenberg antiferromagnetic system. Dec 02, 2021 · Quantum spin liquid state of rubidium atoms trapped in an array on the links of a Kagome lattice. The smaller blue circles indicate rubidium atoms in the lowest energy state, while the larger circles indicate atoms in the higher energy state.

Gapless Spin-Liquid Ground State in the $S=1/2$ Kagome Antiferromagnet.

By combining complementary local-probe techniques with neutron scattering, we discover a crossover from a critical regime into a gapless spin-liquid phase with decreasing temperature. An additional unconventional instability of the latter phase leads to a second, distinct spin-liquid state that is stabilized at the lowest temperatures.

Spin liquids on kagome lattice and symmetry protected.

Mar 29, 2017 · on the kagome MðDÞ (Sec. SIII of the SM [20]). Our kagome results lie well below this bound, but with no evidence for deviation from a similar algebraic form, reinforcing the conclusion that the ground state of the KHAF is a gapless spin liquid. For full rigor we consider every aspect of the PESS procedure. Full-update calculations confirm. Nov 06, 2015 · @article{osti_1263406, title = {Evidence for a gapped spin-liquid ground state in a kagome Heisenberg antiferromagnet}, author = {Fu, Mingxuan and Imai, Takahashi and Han, Tian -Heng and Lee, Young S.}, abstractNote = {Here, the kagome Heisenberg antiferromagnet is a leading candidate in the search for a spin system with a quantum spin-liquid ground state.

Site-Specific Structure at Multiple Length Scales in Kagome.

Theoretical work has put forward the S = 1/2 kagome antiferromagnet (KAFM) as a good candidate for the realization of the RVB state. In this paper we introduce a new model system, the S = 1/2 KAFM.

Chemistry of Quantum Spin Liquids.

The defining problem in frustrated quantum magnetism, the ground state of the nearest-neighbor S = 1 / 2 antiferromagnetic Heisenberg model on the kagome lattice, has defied all theoretical and numerical methods employed to date. We apply the formalism of tensor-network states, specifically the method of projected entangled simplex states, which combines infinite system size with a correct. The strongest spin frustration was considered to occur in a S = 1/2 kagome Heisenberg antiferromagnet (KHA), on which extensive theoretical studies were performed and many novel quantum spin liquid (QSL) ground states were proposed [5-10]. Fermi-liquid-like low-energy excitations, such as the linear temperature dependence of heat capacity and. Abstract. Herbertsmithite and Zn-doped barlowite are two compounds for experimental realization of two-dimensional kagome spin liquids. Theoretically, it has been proposed that charge doping a quantum spin liquid gives rise to exotic metallic states, such as high-temperature superconductivity. However, one recent experiment on herbertsmithite.

Kagome Chiral Spin Liquid as a Gauged U(1) Symmetry Protected.

It is a gapless Dirac spin liquid [6–11], a gapped Z 2 spin liquid [12–14], or something else [8,11]. In this context, it is appealing to step away from the cumbersome kagome problem and to consider an alternate, and potentially just as rich, network of this elementary brick of frustration. The square kagome lattice (SKL) offers such a.

Gapless spin liquid in a square-kagome lattice antiferromagnet.

While the existence of a chiral spin liquid (CSL) on a class of spin-1/2 kagome antiferromagnets is by now well established numerically, a controlled theoretical path from the lattice model leading to a low-energy topological field theory is still lacking. Spin liquid is a highly entangled quantum disordered state. Due to its strong geometrical frustration, the Kagome quantum magnets are expected to host such novel phase. Searching for an ideal Kagome quantum magnet has led to recent discovery of new materials from structural polymorphs of herbertsmithite, i.e., Ca-kapellasite which is described. Motivated by these discoveries, we investigate possible spin liquid phases with fermionic spinon excitations in a non-symmorphic version of the Kagome lattice, which belongs to the two-dimensional.

[2206.04352] Power-law dynamics in the spin-liquid kagome lattices.

Extensive degeneracy and is a candidate for exotic phenomena such as quantum spin liquid. At certain critical coupling, this degeneracy gets enhanced by threefold, suggesting the presence of an interesting phase transition. I. INTRODUCTION Spin systems on a Kagome lattice has attracted theo-retical interest in the past decades due to its high. Such a quantum spin liquid has been proposed to underlie high-temperature superconductivity and is predicted to produce a wealth of new states, including a Dirac metal at 1/3 electron doping. Here, we report the topochemical synthesis of electron-doped ZnLi x Cu 3 (OH) 6 Cl 2 from x=0 to x=1.8 (3/5 per Cu 2+ ).

PDF Kagome Lattice Quantum Antiferromagnets - George Mason University.

For a discussion about a possible spin liquid grounds state in the spin-1/2 Kagome model, see the suggested reading in an earlier post. I thank the authors for helping me understand the paper. Posted by Ross H. McKenzie at 5:38 PM. Labels: broken symmetry, frustration, spin liquid. "Resonating valence-bond" (quantum spin liquid) states... ZnCu3(OH)6Cl2 kagome 240K > 10 3 Cu3V2O7(OH)2 · 2H2O ≈ kagome 120K ≈ 100 BaCu3V2O8(OH)2 ≈ kagome 80K > 10 2 Cs2CuCl4 quasi one-dimensional 4K ≈ 10 Federico Becca (CNR and SISSA) Quantum Spin Liquids K¨onigstein 9 / 38. Next ». First theorized in 1973 by physicist Philip W. Anderson, quantum spin liquids are exotic phases of matter with topological order. They feature long-range quantum entanglement that can.