Results 71 to 80 of about 97,480 (311)

Observation of higher-order time-dislocation topological modes

open access: yesNature Communications
Topological dislocation modes resulting from the interplay between spatial dislocations and momentum-space topology have recently attracted significant interest.
Jia-Hui Zhang   +6 more
doaj   +1 more source

Field theory of higher-order topological crystalline response, generalized global symmetries and elasticity tetrads

open access: yes, 2022
Funding Information: I thank T.T. Heikkilä and especially G.E. Volovik for discussions and related earlier collaborations. This work has been supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation
Nissinen, Jaakko
core   +1 more source

Transfer Printing and Reconfiguration of Soft Electronics Using Digital Microfluidics and Laser Machining

open access: yesAdvanced Functional Materials, EarlyView.
This paper presents a digital microfluidics‐based technique for transferring and reconfiguring soft nanomembranes. Laser‐machined nanothin membranes are picked up, transported, and aligned via tailored surface tension and the actuation of water droplets, enabling the development of flexible electronics, the integration of functional materials on 3D ...
Quang Anh Nguyen   +15 more
wiley   +1 more source

Topology and the Visualization of Space

open access: yesSymmetry, 2014
Overlapping patterns provide the diagrammatics for four-dimensional space. If these patterns are three-dimensional lattices, and if one imagines them extended in three-dimensional space, then the diagram makes a model of physical space.
openaire   +1 more source

Topology and Sobolev Spaces [PDF]

open access: yesJournal of Functional Analysis, 2000
Let two compact connected oriented smooth Riemannian manifolds \(M\) and \(N\) (with or without boundary) be given. It is supposed that \(\dim M\geq 2\); the example \(N=S^1\) is of importance. Let \(W^{1,p}(M,N)\) be the Sobolev space of functions \(u\in W^{1,p} (M,\mathbb{R}^k)\) with \(u(x)\in N\) a.e.
Brezis, Haim, Li, Yanyan
openaire   +2 more sources

Orbital Geometry‐Governed Response of Pressure‐Tunable Quantum Defects in hBN

open access: yesAdvanced Functional Materials, EarlyView.
Defects in hBN act as ultrasensitive quantum manometers when the energy of the intradefect optical transitions is modified by lattice compression. The orbital geometry of the electron wave functions governs how electron hopping and Coulomb interactions react uniquely to the reduction of the van der Waals gap and in‐plane compression, leading to robust ...
Magdalena Grzeszczyk   +6 more
wiley   +1 more source

Primal topological spaces

open access: yesBoletim da Sociedade Paranaense de Matemática
The purpose of this paper is to introduce a new structure called primal. Primal is the dual structure of grill. Like ideal, the dual of filter, this new structure also generates a new topology named primal topology. We introduce a new operator using primal, which satisfies Kuratowski closure axioms.
Santanu Acharjee   +2 more
openaire   +2 more sources

Tailoring Li‐ion Storage and Transport in Two‐Dimensional Conjugated Metal‐Organic Frameworks via Precise Nitrogen Incorporation

open access: yesAdvanced Functional Materials, EarlyView.
Two nitrogen‐doped 2D conjugated metal‐organic frameworks (2D c‐MOFs, namely Cu‐Nx‐OHBA, x = 2 or 4) are synthesized, featuring precise nitrogen incorporation via rational ligand design. The Cu‐Nx‐OHBA 2D c‐MOFs are largely tailorable by varying skeletal nitrogen density, with respect to electrical conductivity, Li‐storage capacitance, and Li‐transport
Xiangyu Li   +7 more
wiley   +1 more source

On the Depth of Topological Spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 1974
In this short note we prove that Kowalsky’s star-space of weight ω
openaire   +2 more sources

Moduli Spaces of Topological Solitons [PDF]

open access: yes, 2015
This thesis presents a detailed study of phenomena related to topological solitons (in $2$-dimensions). Topological solitons are smooth, localised, finite energy solutions in non-linear field theories.
Muhamed, Abera Ayalew
core  

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