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Spin liquid nature in the Heisenberg J1-J2 triangular antiferromagnet
We investigate the spin-$\frac{1}{2}$ Heisenberg model on the triangular lattice in the presence of nearest-neighbor $J_1$ and next-nearest-neighbor $J_2$ antiferromagnetic couplings. Motivated by
Gapless spin-liquid phase in the kagome spin-(1)/(2) Heisenberg antiferromagnet
We study the energy and the static spin structure factor of the ground state of the spin-1/2 quantum Heisenberg antiferromagnetic model on the kagome lattice. By the iterative application of a few
Quantum and Classical Phases of the Pyrochlore Heisenberg Model with Competing Interactions
We investigate the quantum Heisenberg model on the pyrochlore lattice for a generic spin-$S$ in the presence of nearest-neighbor $J_{1}$ and second-nearest-neighbor $J_{2}$ exchange interactions. By
Nature of Unconventional Pairing in the Kagome Superconductors AV_{3}Sb_{5} (A=K,Rb,Cs).
It is shown that the sublattice interference mechanism is central to understanding the formation of superconductivity in a kagome metal and the crucial parameters to determine the preferred pairing symmetry are nonlocal Coulomb repulsion, the sub lattice profile of the van Hove bands, and the interaction strength.
Lanczos steps to improve variational wave functions
Gutzwiller-projected fermionic states can be efficiently implemented within quantum Monte Carlo calculations to define extremely accurate variational wave functions for Heisenberg models on
Paramagnetism in the kagome compounds (Zn,Mg,Cd)Cu3(OH)6Cl2
Frustrated magnetism on the kagome lattice has been a fertile ground for rich and fascinating physics, ranging from experimental evidence of a spin liquid to theoretical predictions of exotic
Vanishing spin gap in a competing spin-liquid phase in the kagome Heisenberg antiferromagnet
We provide strong numerical evidence, using improved variational wave functions, for a ground state with vanishing spin gap in the spin-$1/2$ quantum Heisenberg model on the kagome lattice. Starting
A quantum spin liquid based on a new three-dimensional lattice
The quantum spin liquid is a highly entangled magnetic state characterized by the absence of long-range magnetic order or any static magnetism in its ground state. Instead the spins are continuously
Photonic band structures of one dimensional multilayered dielectric-magnetic photonic crystals
Abstract The one dimensional dielectric-magnetic photonic crystals (PCs) are materials with periodically varying permittivity and periodically varying permeability along the same direction. These PCs