Quantum spin liquids: a review

L Savary, L Balents - Reports on Progress in Physics, 2016 - iopscience.iop.org
Quantum spin liquids may be considered'quantum disordered'ground states of spin systems,
in which zero-point fluctuations are so strong that they prevent conventional magnetic long …

Magnetic pyrochlore oxides

JS Gardner, MJP Gingras, JE Greedan - Reviews of Modern Physics, 2010 - APS
Within the past 20 years or so, there has occurred an explosion of interest in the magnetic
behavior of pyrochlore oxides of the type A 2 3+ B 2 4+ O 7, where A is a rare-earth ion and …

Quantum spin ice: a search for gapless quantum spin liquids in pyrochlore magnets

MJP Gingras, PA McClarty - Reports on Progress in Physics, 2014 - iopscience.iop.org
The spin ice materials, including Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7, are rare-earth pyrochlore
magnets which, at low temperatures, enter a constrained paramagnetic state with an …

Frustrated quantum rare-earth pyrochlores

JG Rau, MJP Gingras - Annual Review of Condensed Matter …, 2019 - annualreviews.org
In this review, we provide an introduction to the physics of a series of frustrated quantum rare-
earth pyrochlores. We first give a background on the microscopic single-and two-ion physics …

Detecting dark energy in orbit: The cosmological chameleon

P Brax, C van de Bruck, AC Davis, J Khoury… - Physical Review D …, 2004 - APS
We show that the chameleon scalar field can drive the current phase of cosmic acceleration
for a large class of scalar potentials that are also consistent with local tests of gravity. These …

Artificial ferroic systems: novel functionality from structure, interactions and dynamics

LJ Heyderman, RL Stamps - Journal of Physics: Condensed …, 2013 - iopscience.iop.org
Lithographic processing and film growth technologies are continuing to advance, so that it is
now possible to create patterned ferroic materials consisting of arrays of sub-1 μm elements …

Seeing the light: Experimental signatures of emergent electromagnetism in a quantum spin ice

O Benton, O Sikora, N Shannon - Physical Review B—Condensed Matter and …, 2012 - APS
The “spin-ice” state found in the rare-earth pyrochlore magnets Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O
7 offers a beautiful realization of classical magnetostatics, complete with magnetic monopole …

Large thermal Hall conductivity of neutral spin excitations in a frustrated quantum magnet

M Hirschberger, JW Krizan, RJ Cava, NP Ong - Science, 2015 - science.org
In frustrated quantum magnets, long-range magnetic order fails to develop despite a large
exchange coupling between the spins. In contrast to the magnons in conventional magnets …

Dynamically Induced Frustration as a Route to a Quantum Spin Ice State in <?format ?>via Virtual Crystal Field Excitations and Quantum Many-Body Effects

HR Molavian, MJP Gingras, B Canals - Physical review letters, 2007 - APS
The Tb 2 Ti 2 O 7 pyrochlore magnetic material is attracting much attention for its spin liquid
state, failing to develop long-range order down to 50 mK despite a Curie-Weiss temperature …

Magnetic-moment fragmentation and monopole crystallization

ME Brooks-Bartlett, ST Banks, LDC Jaubert… - Physical Review X, 2014 - APS
The Coulomb phase, with its dipolar correlations and pinch-point–scattering patterns, is
central to discussions of geometrically frustrated systems, from water ice to binary and mixed …