Spin liquids in geometrically perfect triangular antiferromagnets
The cradle of quantum spin liquids, triangular antiferromagnets show strong proclivity to
magnetic order and require deliberate tuning to stabilize a spin-liquid state. In this brief …
magnetic order and require deliberate tuning to stabilize a spin-liquid state. In this brief …
Quantum phase transitions
S Sachdev - Physics world, 1999 - iopscience.iop.org
NATURE abounds with phase transitions. The boiling and freezing of water are everyday
examples of phase transitions, as are more exotic processes such as superconductivity and …
examples of phase transitions, as are more exotic processes such as superconductivity and …
Spin liquid nature in the Heisenberg triangular antiferromagnet
We investigate the spin-1 2 Heisenberg model on the triangular lattice in the presence of
nearest-neighbor J 1 and next-nearest-neighbor J 2 antiferromagnetic couplings. Motivated …
nearest-neighbor J 1 and next-nearest-neighbor J 2 antiferromagnetic couplings. Motivated …
Order versus disorder in the quantum Heisenberg antiferromagnet on the kagomé lattice using exact spectra analysis
A group-symmetry analysis of the low-lying levels of the spin-1/2 kagomé Heisenberg
antiferromagnet is performed for small samples up to N= 27. This approach allows one to …
antiferromagnet is performed for small samples up to N= 27. This approach allows one to …
Gapless spin-liquid phase in an extended spin 1/2 triangular Heisenberg model
We numerically study the Heisenberg models on triangular lattices by extending it from the
simplest equilateral lattice with only the nearest-neighbor exchange interaction. We show …
simplest equilateral lattice with only the nearest-neighbor exchange interaction. We show …
Kagome antiferromagnet: A chiral topological spin liquid?
Inspired by the recent discovery of a new instability towards a chiral phase of the classical
Heisenberg model on the kagome lattice, we propose a specific chiral spin liquid that …
Heisenberg model on the kagome lattice, we propose a specific chiral spin liquid that …
Quantum Electrodynamics in Dimensions as the Organizing Principle of a Triangular Lattice Antiferromagnet
Quantum electrodynamics in 2+ 1 dimensions (QED 3) has been proposed as a critical field
theory describing the low-energy effective theory of a putative algebraic Dirac spin liquid or …
theory describing the low-energy effective theory of a putative algebraic Dirac spin liquid or …
Chiral spin liquid and quantum criticality in extended Heisenberg models on the triangular lattice
We investigate the J 1-J 2 Heisenberg model on the triangular lattice with an additional
scalar chirality term and show that a chiral spin liquid is stabilized in a sizable region of the …
scalar chirality term and show that a chiral spin liquid is stabilized in a sizable region of the …
Lattice symmetries and regular magnetic orders in classical frustrated antiferromagnets
We consider some classical and frustrated lattice spin models with global O (3) spin
symmetry. No general analytical method to find a ground state exists when the spin …
symmetry. No general analytical method to find a ground state exists when the spin …
Emergence of classical magnetic order from anderson towers: Quantum darwinism in action
Environment is assumed to play a negative role in quantum mechanics, destroying the
coherence in a quantum system and, thus, randomly changing its state. However, for a …
coherence in a quantum system and, thus, randomly changing its state. However, for a …