String phase driven reconfigurable magnonics in Santa Fe ice

AK Mondal, A Barman - Physical Review B, 2024 - APS
The existence of one-dimensional strings of local excitations represents an intriguing aspect
of the properties of strongly correlated topological quantum matter. Here, we study the …

String phase in an artificial spin ice

X Zhang, A Duzgun, Y Lao, S Subzwari… - Nature …, 2021 - nature.com
One-dimensional strings of local excitations are a fascinating feature of the physical
behavior of strongly correlated topological quantum matter. Here we study strings of local …

Magnetization dynamics of topological defects and the spin solid in a kagome artificial spin ice

VS Bhat, F Heimbach, I Stasinopoulos, D Grundler - Physical Review B, 2016 - APS
We report broadband spin-wave spectroscopy on kagome artificial spin ice (ASI) made of
large arrays of interconnected Ni 80 Fe 20 nanobars. Spectra taken in saturated and …

Low-energy electrodynamics of novel spin excitations in the quantum spin ice Yb2Ti2O7

LD Pan, SK Kim, A Ghosh, CM Morris, KA Ross… - Nature …, 2014 - nature.com
In condensed matter systems, formation of long-range order (LRO) is often accompanied by
new excitations. However, in many geometrically frustrated magnetic systems, conventional …

Comparison of spin-wave modes in connected and disconnected artificial spin ice nanostructures using brillouin light scattering spectroscopy

AK Chaurasiya, AK Mondal, JC Gartside… - ACS …, 2021 - ACS Publications
Artificial spin ice systems have seen burgeoning interest due to their intriguing physics and
potential applications in reprogrammable memory, logic, and magnonics. Integration of …

Spectral analysis of topological defects in an artificial spin-ice lattice

S Gliga, A Kákay, R Hertel, OG Heinonen - Physical review letters, 2013 - APS
Arrays of suitably patterned and arranged magnetic elements may display artificial spin-ice
structures with topological defects in the magnetization, such as Dirac monopoles and Dirac …

Topologically nontrivial magnon bands in artificial square spin ices with Dzyaloshinskii-Moriya interaction

E Iacocca, O Heinonen - Physical Review Applied, 2017 - APS
Systems that exhibit topologically protected edge states are interesting both from a
fundamental point of view as well as for potential applications, the latter because of the …

Quantum dynamics of topological strings in a frustrated Ising antiferromagnet

Z Zhou, C Liu, Z Yan, Y Chen, XF Zhang - npj Quantum Materials, 2022 - nature.com
We investigate the quantum dynamics of the antiferromagnetic transverse field Ising model
on the triangular lattice through large-scale quantum Monte Carlo simulations and stochastic …

Emergent spin dynamics enabled by lattice interactions in a bicomponent artificial spin ice

S Lendinez, MT Kaffash, MB Jungfleisch - Nano Letters, 2021 - ACS Publications
Artificial spin ice (ASI) networks are arrays of nanoscaled magnets that can serve both as
models for frustration in atomic spin ice as well as for exploring new spin-wave-based …

Classical topological order in the kinetics of artificial spin ice

Y Lao, F Caravelli, M Sheikh, J Sklenar… - Nature Physics, 2018 - nature.com
Abstract Systems of interacting nanomagnets known as artificial spin ice,,–have allowed the
design, realization and study of geometrically frustrated exotic collective states,,,,–that are …