Quantum entanglement in condensed matter systems

N Laflorencie - Physics Reports, 2016 - Elsevier
This review focuses on the field of quantum entanglement applied to condensed matter
physics systems with strong correlations, a domain which has rapidly grown over the last …

Unusual ordered phases of highly frustrated magnets: a review

OA Starykh - Reports on Progress in Physics, 2015 - iopscience.iop.org
We review ground states and excitations of a quantum antiferromagnet on triangular and
other frustrated lattices. We pay special attention to the combined effects of magnetic field h …

One-ninth magnetization plateau stabilized by spin entanglement in a kagome antiferromagnet

S Jeon, D Wulferding, Y Choi, S Lee, K Nam, KH Kim… - Nature Physics, 2024 - nature.com
Abstract The spin-1/2 antiferromagnetic Heisenberg model on a kagome lattice is
geometrically frustrated, which is expected to promote the formation of many-body quantum …

Gate-count estimates for performing quantum chemistry on small quantum computers

D Wecker, B Bauer, BK Clark, MB Hastings, M Troyer - Physical Review A, 2014 - APS
As quantum computing technology improves and quantum computers with a small but
nontrivial number of N≥ 100 qubits appear feasible in the near future the question of …

Improving quantum algorithms for quantum chemistry

MB Hastings, D Wecker, B Bauer, M Troyer - arxiv preprint arxiv …, 2014 - arxiv.org
We present several improvements to the standard Trotter-Suzuki based algorithms used in
the simulation of quantum chemistry on a quantum computer. First, we modify how Jordan …

The Trotter step size required for accurate quantum simulation of quantum chemistry

D Poulin, MB Hastings, D Wecker, N Wiebe… - arxiv preprint arxiv …, 2014 - arxiv.org
The simulation of molecules is a widely anticipated application of quantum computers.
However, recent studies\cite {WBCH13a, HWBT14a} have cast a shadow on this hope by …

Emergent Spin-Gapped Magnetization Plateaus in a Spin- Perfect Kagome Antiferromagnet

S Suetsugu, T Asaba, Y Kasahara, Y Kohsaka… - Physical review …, 2024 - APS
The two-dimensional spin-1/2 kagome Heisenberg antiferromagnet is believed to host
quantum spin liquid (QSL) states with no magnetic order, but its ground state remains largely …

Strongly correlated flat-band systems: The route from Heisenberg spins to Hubbard electrons

O Derzhko, J Richter, M Maksymenko - International Journal of …, 2015 - World Scientific
On a large class of lattices (such as the sawtooth chain, the kagome and the pyrochlore
lattices), the quantum Heisenberg and the repulsive Hubbard models may host a completely …

Structure of the magnetic excitations in the spin-1/2 triangular-lattice Heisenberg antiferromagnet Ba3CoSb2O9

S Ito, N Kurita, H Tanaka, S Ohira-Kawamura… - Nature …, 2017 - nature.com
Abstract A spin-1/2 triangular-lattice Heisenberg antiferromagnet (TLHAF) is a prototypical
frustrated quantum magnet, which exhibits remarkable quantum many-body effects that arise …

Magnetism of the kagome lattice antiferromagnet

J Schnack, J Schulenburg, J Richter - Physical Review B, 2018 - APS
For the paradigmatic frustrated spin-half Heisenberg antiferromagnet on the kagome lattice
we performed large-scale numerical investigations of thermodynamic functions by means of …