Gapless Spin-Liquid Ground State in the Kagome Antiferromagnet
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 …
neighbor S= 1/2 antiferromagnetic Heisenberg model on the kagome lattice, has defied all …
Gapless ground state in the archetypal quantum kagome antiferromagnet ZnCu3(OH)6Cl2
Spin liquids are exotic phases of quantum matter that challenge Landau's paradigm of
symmetry-breaking phase transitions. Despite strong exchange interactions, spins do not …
symmetry-breaking phase transitions. Despite strong exchange interactions, spins do not …
Crystalline Electric-Field Randomness in the Triangular Lattice Spin-Liquid
We apply moderate-high-energy inelastic neutron scattering (INS) measurements to
investigate Yb 3+ crystalline electric field (CEF) levels in the triangular spin-liquid candidate …
investigate Yb 3+ crystalline electric field (CEF) levels in the triangular spin-liquid candidate …
-pairing states as true scars in an extended Hubbard model
The η-pairing states are a set of exactly known eigenstates of the Hubbard model on
hypercubic lattices, first discovered by Yang [CN Yang, Phys. Rev. Lett. 63, 2144 (1989) …
hypercubic lattices, first discovered by Yang [CN Yang, Phys. Rev. Lett. 63, 2144 (1989) …
Quantum Kagome Antiferromagnet ZnCu3(OH)6Cl2
The frustration of antiferromagnetic interactions on the loosely connected kagome lattice
associated to the enhancement of quantum fluctuations for S= 1/2 spins was acknowledged …
associated to the enhancement of quantum fluctuations for S= 1/2 spins was acknowledged …
Projective symmetry group classification of chiral spin liquids
We present a general review of the projective symmetry group classification of fermionic
quantum spin liquids for lattice models of spin S= 1/2. We then introduce a systematic …
quantum spin liquids for lattice models of spin S= 1/2. We then introduce a systematic …
Gapless spin liquid behavior in a kagome Heisenberg antiferromagnet with randomly distributed hexagons of alternate bonds
We demonstrate that the single crystal of YCu 3 [OH (D)] 6.5 Br 2.5 (YCOB) is a kagome
Heisenberg antiferromagnet without evident orphan spins (≪ 0.8%). The site mixing …
Heisenberg antiferromagnet without evident orphan spins (≪ 0.8%). The site mixing …
Interplay of thermal and quantum spin fluctuations in the kagome lattice compound herbertsmithite
We present a Raman spectroscopic investigation of the herbertsmithite ZnCu 3 (OH) 6 Cl 2,
a realization of a Heisenberg s= 1/2 antiferromagnet on a perfect kagome lattice. Focusing …
a realization of a Heisenberg s= 1/2 antiferromagnet on a perfect kagome lattice. Focusing …
Quantum kagome frustrated antiferromagnets: One route to quantum spin liquids
Après avoir introduit la thématique du magnétisme fortement frustré par le biais de la
recherche d'un état liquide de spin quantique au-delà de la dimension 1, nous discutons en …
recherche d'un état liquide de spin quantique au-delà de la dimension 1, nous discutons en …
Schwinger-boson approach to the kagome antiferromagnet with Dzyaloshinskii-Moriya interactions: Phase diagram and dynamical structure factors
We have obtained the zero-temperature phase diagram of the kagomé antiferromagnet with
Dzyaloshinskii-Moriya interactions in Schwinger-boson mean-field theory. We find quantum …
Dzyaloshinskii-Moriya interactions in Schwinger-boson mean-field theory. We find quantum …