Results 41 to 50 of about 2,919,841 (339)

Transition to and from the skyrmion lattice phase by electric fields in a magnetoelectric compound

open access: yesNature Communications, 2016
Magnetoelectric material Cu2OSeO3hosts topologically-protected skyrmion magnetization textures, however only in an impractically narrow temperature range. Here, the authors demonstrate how the metastable skyrmion phase may be extended to low temperatures
Y. Okamura   +3 more
doaj   +1 more source

Giant magneto-optical responses in magnetic Weyl semimetal Co3Sn2S2

open access: yesNature Communications, 2020
The evidence of topological origin for the recently observed anomalous Hall effect remains elusive. Here, the authors report that the resonance of the optical Hall conductivity resulted from topological electronic structure gives rise to the large ...
Y. Okamura   +17 more
doaj   +1 more source

Band Structure Engineering of MXenes for Low‐Loss Visible Epsilon‐Near‐Zero Properties by First‐Principles Calculation

open access: yesAdvanced Electronic Materials, 2023
Epsilon‐near‐zero (ENZ) photonics, which exhibit extraordinary capabilities in terms of controlling light–matter interactions, have been attracting increased interest in recent years.
Bo Xu   +4 more
doaj   +1 more source

The Case for Axion Dark Matter [PDF]

open access: yes, 2010
Dark matter axions form a rethermalizing Bose-Einstein condensate. This provides an opportunity to distinguish axions from other forms of dark matter on observational grounds.
Abbott   +46 more
core   +2 more sources

Machine learning phases of matter [PDF]

open access: yesNature Physics, 2017
18 pages, 8 figures, 1 ...
Juan Carrasquilla   +2 more
openaire   +3 more sources

Electric-field control of anomalous and topological Hall effects in oxide bilayer thin films

open access: yesNature Communications, 2018
Spintronic devices are typically controlled with magnetic fields or current injection but incorporating these mechanisms into high-density devices is difficult. Here the authors present an oxide device where the topological and anomalous Hall effects can
Yuki Ohuchi   +6 more
doaj   +1 more source

Topological Phases of Amorphous Matter

open access: yes, 2022
Topological phases of matter are often understood and predicted with the help of crystal symmetries, although they don't rely on them to exist. In this chapter we review how topological phases have been recently shown to emerge in amorphous systems. We summarize the properties of topological states and discuss how disposing of translational invariance ...
openaire   +4 more sources

Emergent phases of fractonic matter

open access: yesPhysical Review B, 2018
23 pages, 7 figures; close to published ...
Rahul Nandkishore   +2 more
openaire   +4 more sources

Holographic Phase Transitions with Fundamental Matter [PDF]

open access: yesPhysical Review Letters, 2006
6 pages, 7 figures, RevTeX4; v2: minor changes, reference ...
David Mateos   +4 more
openaire   +5 more sources

Observation of the quantum Hall effect in δ-doped SrTiO3

open access: yesNature Communications, 2016
Observation of quantum phenomena in correlated electron systems is challenging due to low mobility and high concentration of carriers. Here, Matsubara et al.
Y. Matsubara   +8 more
doaj   +1 more source

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