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Spin liquid nature in the Heisenberg J1-J2 triangular antiferromagnet

- Y. Iqbal, Wenjun Hu, R. Thomale, D. Poilblanc, F. Becca
- Physics
- 22 January 2016

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… Expand

Gapless spin-liquid phase in the kagome spin-(1)/(2) Heisenberg antiferromagnet

- Y. Iqbal, F. Becca, S. Sorella, D. Poilblanc
- Physics
- 9 September 2012

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… Expand

Quantum and Classical Phases of the Pyrochlore Heisenberg Model with Competing Interactions

- Y. Iqbal, Tobias Muller, +5 authors R. Thomale
- PhysicsPhysical Review X
- 26 February 2018

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… Expand

Nature of Unconventional Pairing in the Kagome Superconductors AV_{3}Sb_{5} (A=K,Rb,Cs).

- Xianxin Wu, T. Schwemmer, +10 authors R. Thomale
- Medicine, PhysicsPhysical review letters
- 12 April 2021

TLDR

Lanczos steps to improve variational wave functions

- F. Becca, Wenjun Hu, Y. Iqbal, A. Parola, D. Poilblanc, S. Sorella
- Physics
- 8 December 2014

Gutzwiller-projected fermionic states can be efficiently implemented within quantum Monte Carlo calculations to define extremely accurate variational wave functions for Heisenberg models on… Expand

Paramagnetism in the kagome compounds (Zn,Mg,Cd)Cu3(OH)6Cl2

- Y. Iqbal, H. Jeschke, +4 authors R. Thomale
- Physics
- 10 June 2015

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… Expand

Vanishing spin gap in a competing spin-liquid phase in the kagome Heisenberg antiferromagnet

- Y. Iqbal, D. Poilblanc, F. Becca
- Physics
- 20 November 2013

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… Expand

A quantum spin liquid based on a new three-dimensional lattice

- S. Chillal, Y. Iqbal, +9 authors B. Lake
- Physics
- 21 December 2017

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… Expand

On the spin liquid nature in the Heisenberg $J_1{-}J_2$ triangular antiferromagnet

- Y. Iqbal, Wenjun Hu, R. Thomale, D. Poilblanc, F. Becca
- Physics
- 22 January 2016

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… Expand

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