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Spin Liquid Ground State of the Spin-1/2 Square - Heisenberg Model
Hong-Chen Jiang, Hong Yao, Leon Balents
We perform highly accurate density matrix renormalization group (DMRG) simulations to investigate the ground state properties of the spin-1/2 antiferromagnetic square lattice Heise…
Probing the metal-insulator transition of NdNiO3 by electrostatic doping
Junwoo Son, Bharat Jalan, Adam P. Kajdos +3
Modulation of the charge carrier density in a Mott material by remote doping from a highly doped conventional band insulator is proposed to test theoretical predictions of band fil…
Spin Liquid Phases for Spin-1 systems on the Triangular lattice
Cenke Xu, Fa Wang, Yang Qi +2
Motivated by recent experiments on material Ba3NiSb2O9, we propose two novel spin liquid phases (A and B) for spin-1 systems on a triangular lattice. At the mean field level, both…
Coulombic Quantum Liquids in Spin-1/2 Pyrochlores
Lucile Savary, Leon Balents
We develop a non-perturbative "gauge Mean Field Theory" (gMFT) method to study a general effective spin-1/2 model for magnetism in rare earth pyrochlores. gMFT is based on a novel…
Time-reversal symmetry breaking superconducting ground state in the doped Mott insulator on the honeycomb lattice
Zheng-Cheng Gu, Hong-Chen Jiang, D. N. Sheng +3
The emergence of superconductivity in doped Mott insulators has been debated for decades. In this paper, we report the theoretical discovery of a time-reversal symmetry breaking su…
Topological nodal semimetals
A. A. Burkov, M. D. Hook, Leon Balents
We present a study of "nodal semimetal" phases, in which non-degenerate conduction and valence bands touch at points (the "Weyl semimetal") or lines (the "line node semimetal") in…