Results 271 to 280 of about 112,215 (282)

Interface‐Induced Stability of Nontrivial Topological Spin Textures: Unveiling Room‐Temperature Hopfions and Skyrmions

Advanced Materials, Volume 38, Issue 1, 2 January 2026.
The first room‐temperature, zero‐field observation of stable skyrmion–hopfion spin textures in EuS─Bi2Se3─EuS trilayers is reported. Combining Lorentz TEM imaging and micromagnetic modeling, the authors unveil how interfacial Dzyaloshinskii–Moriya interaction and geometric confinement stabilize these multidimensional topological states.
Ferhat Katmis, Valeria Lauter, Rawana Yagan, Iuri S. Brandt, Arash M. Cheghabouri, Hua Zhou, John W. Freeland, Clodoaldo I. L. de Araujo, Michelle E. Jamer, Don Heiman, Mehmet C. Onbasli, Jagadeesh S. Moodera   +11 more
wiley   +1 more source

Spectral Peaked Optical Frequency Comb for Highly Sensitive Spectroscopy

Advanced Photonics Research, Volume 7, Issue 1, January 2026.
Optical frequency combs represent a breakthrough in metrology, and comb mode selection and power scaling are important issues for highly sensitive spectroscopy. This article reviews the development of a spectrally peaked optical frequency comb using the novel phenomenon of spectral peaking for highly sensitive spectroscopy.
Norihiko Nishizawa, Shotaro Kitajima, Hideki Tomita, Hisashi Abe   +3 more
wiley   +1 more source

Engineering of an Ancestral McbA with Enhanced Domain Mobility Extends Biocatalytic Amide Synthesis Scope

Advanced Synthesis &Catalysis, Volume 368, Issue 2, January 2026.
We show how engineered ancestral amide bond synthetases (ABSs) together with cofactor recycling using a single polyphosphate kinase paves the way for chemoenzymatic synthesis of pharmacophores. The figure illustrates how ancestral ABS has a more flexible C‐terminal domain, which is associated with enhanced catalytic performance and expanded amine scope.
Elisabeth Söderberg, Marianne R. Molenaar, Katarzyna Zaczyk, Magnus Johansson, Martin A. Hayes, Per‐Olof Syrén   +5 more
wiley   +1 more source

Single‐Cell RNA Sequencing of Retina Reveals Nna1 Upregulation in Myopic Diabetic Retinopathy as a Protective Factor Against Diabetic Damage

Advanced Science, Volume 13, Issue 5, 27 January 2026.
This study investigates a schematic overview of the mechanistic pathways. The relationship between myopia and DR has long been of clinical interest. In diabetic mice, Nna1 expression is downregulated, whereas in diabetic mice with FDM, Nna1 expression is upregulated–particularly in Müller cells–accompanied by decreased vascular endothelial growth ...
Lihui Xie, Yingjun Cai, Bolin Chen, Bowen Li, Jing Zou, Huizhuo Xu   +5 more
wiley   +1 more source

Propagation of wave insights to the Chiral Schrödinger equation along with bifurcation analysis and diverse optical soliton solutions.

Sci Rep
Alkahtani BST.
europepmc   +1 more source

Quantum Information Entropy on Another Class of Single Hyperbolic Potentials in Fractional Schrödinger Equation

R. Santana Carrillo, David Maya‐Franco, Shi‐Hai Dong, Guo-Hua Sun   +3 more
openalex   +1 more source

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A limiting absorption principle for the three-dimensional Schrödinger equation with \(L^p\) potentials

2004
The authors study the perturbed operators \(H= -\Delta+V\) for real valued \(V\in L^p(\mathbb{R}^3)\cap L^{3/2}(\mathbb{R}^3)\), \(p> 3/2\). The estimate for the free resolvent \((V=0)\) in \(\mathbb{R}^3\) is given by \(\| R_0(\lambda^2+ i\varepsilon)\|_{4/3\to 4}\leq C\lambda^{-1/2}\) for \(\lambda> 0\).
Goldberger, M., Schlag, W.
openaire   +2 more sources