[HTML][HTML] Chip-scale metaphotonic singularities: topological, dynamical, and practical aspects

T Li, M Liu, J Hou, X Yang, S Wang, S Wang, S Zhu… - Chip, 2024 - Elsevier
Research about singularities has been driving scientific advancements across mathematics
and physics. Comprehending and harnessing the novel properties of singularities in …

Phase transitions and topological defects in discotic liquid crystal droplets with planar anchoring: a Monte Carlo simulation study

D Salgado-Blanco, E Díaz-Herrera… - Soft Matter, 2023 - pubs.rsc.org
In this work we present the results of Monte Carlo (MC) simulations at the isothermal–
isobaric ensemble for a discotic liquid crystal (DLC) droplet whose surface promotes edge …

Line singularities and hopf indices of electromagnetic multipoles

W Chen, Y Chen, W Liu - Laser & Photonics Reviews, 2020 - Wiley Online Library
Electromagnetic multipoles serve as one of the most ubiquitous languages in photonics,
forming a complete expansion basis for radiations of arbitrary types. Electromagnetic …

Structure, stability, and electro-optic features of nematic drops in 1 ″, 7 ″-bis (4-cyanobiphenyl-4′-yl) heptane–surfactant binary systems

KS Krishnamurthy, DS Shankar Rao, S Sharma… - Physical Review E, 2022 - APS
Binary mixtures of the mesogen [1 ″, 7 ″-bis (4-cyanobiphenyl-4′-yl) heptane] and a long
chain amphiphile (eg, 2-octadecoxypropanol) are examined for the structure, stability, and …

[PDF][PDF] Moduli Space of Dihedral Spherical Surfaces and Measured Foliations

S Lu, B Xu - arXiv preprint arXiv:2312.01807, 2023 - researchgate.net
Cone spherical surfaces are orientable Riemannian surfaces with constant curvature one
and a finite set of conical singularities. A subset of these surfaces, referred to as dihedral …

Edge-on anchored discotic liquid crystals in spherical shells: A computational study of the phases and defects

D Salgado-Blanco, E Díaz-Herrera… - Physical Review E, 2024 - APS
The self-assembly of liquid crystal droplets and shells represents a captivating frontier in soft
matter physics, promising precision engineering of functional materials. In this study, we …

Projective span of Wall manifolds

M Grant, B Schutte - Boletín de la Sociedad Matemática Mexicana, 2024 - Springer
The projective span of a smooth manifold is defined to be the maximal number of linearly
independent tangent line fields. We initiate a study of projective span, highlighting its …

Complex line fields on almost-complex manifolds

N Sadovek, B Schutte - arXiv preprint arXiv:2411.14161, 2024 - arxiv.org
We study linearly independent complex line fields on almost-complex manifolds, which is a
topic of long-standing interest in differential topology and complex geometry. A necessary …

An observation about conformal points on surfaces

P Albers, G Benedetti - Arnold Mathematical Journal, 2024 - Springer
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Shape index, Brouwer degree and Poincaré–Hopf theorem

H Barge, JMR Sanjurjo - Proceedings of the Royal Society of …, 2023 - cambridge.org
In this paper, we study the relationship of the Brouwer degree of a vector field with the
dynamics of the induced flow. Analogous relations are studied for the index of a vector field …