Results 51 to 60 of about 1,114,315 (242)

Facet‐Engineered (100)‐Oriented MoO2 Nanoribbons for Broadband Self‐Powered Photodetection

open access: yesAdvanced Science, EarlyView.
Facet engineering unlocks the latent broadband photoresponse of metallic MoO2 by exposing its (100) plane. Flexible photodetectors based on atmospheric‐pressure chemical vapor deposition‐grown nanoribbons achieve unprecedented self‐powered detection from visible to long‐wave infrared (0.5–10.5 µm) with 107.31 mA W−1 responsivity and 6.64 pW Hz−0.5 ...
Haojian Lin   +10 more
wiley   +1 more source

Feynman integrals: Synergies between particle physics and gravitational waves [PDF]

open access: yesEPJ Web of Conferences
Feynman integrals are essential for computing scattering amplitudes. Linear relations among these integrals, through Integral-By-Parts (IBP) identities, reduce them to a smaller set of independent integrals, known as master integrals (MIs). In twisted de-
Mandal Manoj Kumar
doaj   +1 more source

Logarithmic forms and differential equations for Feynman integrals

open access: yesJournal of High Energy Physics, 2020
We describe in detail how a d log representation of Feynman integrals leads to simple differential equations. We derive these differential equations directly in loop momentum or embedding space making use of a localization trick and generalized unitarity.
Enrico Herrmann, Julio Parra-Martinez
doaj   +1 more source

Stochastic mechanics and the Feynman integral [PDF]

open access: yes, 2000
The Feynman integral is given a stochastic interpretation in the framework of Nelson’s stochastic mechanics employing a time-symmetric variant of Nelson’s kinematics recently developed by the author.
M. Pavon
semanticscholar   +1 more source

Lead‐Free Tin‐Based Perovskite LEDs Toward Rec. 2020: Organic Anion Coordination for Oxidation Suppression

open access: yesAdvanced Science, EarlyView.
This study introduces an organic anion‐coordination for oxidation suppression (OCOS) strategy using alkali metal–organic anions (e.g., KEtO) to stabilize Sn2+ in lead‐free Sn‐based perovskites for PeLEDs. By coordinating with Sn2+ and inhibiting vacancies, OCOS enhances film quality, EQE (to 10.01% at 638 nm), and luminance (to 139.9 cd m−2 ...
Seungjae Lee   +15 more
wiley   +1 more source

Intersection theory, relative cohomology and the Feynman parametrization

open access: yesJournal of High Energy Physics
We present a novel approach for loop integral reduction in the Feynman parametrization using intersection theory and relative cohomology. In this framework, Feynman integrals correspond to boundary-supported differential forms in the language of relative
Mingming Lu, Ziwen Wang, Li Lin Yang
doaj   +1 more source

Surface Adhesion Engineering for Armored Metasurfaces and Beyond

open access: yesAdvanced Science, EarlyView.
Targeting primary causes of dysfunctionality in optical systems, an “armored” metasurface is developed based on Persson's model and Hertzian theory, enabling anti‐dust, anti‐scratch, anti‐impact, and anti‐water, heat resistance capabilities, alongside excellent optical antireflection performance.
Lianwei Chen   +10 more
wiley   +1 more source

Ultra‐Stable Topological Telluride Monolayers for Next‐Generation Battery Anodes and Sulfur Hosts

open access: yesAdvanced Science, EarlyView.
This study computationally designs 2D ternary metal tellurides (HfTiTe4, ZrTiTe4, and HfZrTe4) with unique electronic environments for battery applications. These materials offer low ion diffusion barriers, ultrahigh theoretical capacities, and robust ion binding, making them promising anodes.
Shehzad Ahmed   +9 more
wiley   +1 more source

A Perspective on Interactive Theorem Provers in Physics

open access: yesAdvanced Science, EarlyView.
Into an interactive theorem provers (ITPs), one can write mathematical definitions, theorems and proofs, and the correctness of those results is automatically checked. This perspective goes over the best usage of ITPs within physics and motivates the open‐source community run project PhysLean, the aim of which is to be a library for digitalized physics
Joseph Tooby‐Smith
wiley   +1 more source

A change of scale formula for Wiener integrals of cylinder functions on the abstract Wiener space II

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We show that for certain bounded cylinder functions of the form F(x)=μˆ((h1,x)∼,...,(hn,x)∼), x∈B where μˆ:ℝn→ℂ is the Fourier-transform of the complex-valued Borel measure μ on ℬ(ℝn), the Borel σ-algebra of ℝn with ‖μ‖
Young Sik Kim
doaj   +1 more source

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