Results 91 to 100 of about 191,981 (275)
Scalar curvature and entanglement of the Gaussian state manifold in de Sitter spacetime
Nuclear Physics BThe Hilbert-Schmidt measure is a useful geometric tool used to investigate the properties on the manifold of mixed Gaussian states in multimode continuous variable quantum systems.
Mohamed Amazioug, Mohammed Daoud
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A best constant and the Gaussian curvature [PDF]
Proceedings of the American Mathematical Society, 1986 For axisymmetric f ∈ C ∞ ( S 2 ) f \in {C^\infty }({S^2}) we find conditions to make f f the scalar curvature of a metric pointwise conformal to the standard metric of
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Imaging of Biphoton States: Fundamentals and Applications
Advanced Functional Materials, EarlyView.Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
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The curvature effect in Gaussian random fields
Journal of Physics: Complexity, 2022 Abstract Random field models are mathematical structures used in the study of stochastic complex systems. In this paper, we compute the shape operator of Gaussian random field manifolds using the first and second fundamental forms (Fisher information matrices).
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Advanced Functional Materials, EarlyView.In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa +19 more
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The torsion, the local conical constants and their application in corneal topography [PDF]
EPJ Web of ConferencesElevation topography equipment measures freeform surfaces by representing the surface with elevation maps, maximum curvature, minimum curvature, mean curvature, and Gaussian curvature.
Valencia-Estrada Juan +3 more
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Advanced Functional Materials, EarlyView.A dual‐layer living hydrogel, ProΦGel, integrates bacteriophages and probiotics for synergistic wound infection therapy. The outer gelatin‐based matrix releases phages on demand in response to P. aeruginosa infections, while inner alginate beads sustain probiotic delivery.
Siyuan Tao +6 more
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Minimizing Absolute Gaussian Curvature Locally
, 2009 One of the remaining challenges when reconstructing a surface from a finite sample is recovering non-smooth surface features like sharp edges. There is practical evidence showing that a two step approach could be an aid to this problem, namely, first computing a polyhedral reconstruction isotopic to the sampled surface, and secondly ...
Giesen, Joachim, Madhusudan, Manjunath
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Integration of Low‐Voltage Nanoscale MoS2 Memristors on CMOS Microchips
Advanced Functional Materials, EarlyView.This article presents the first monolithic integration of nanoscale MoS2‐based memristors into the back‐end‐of‐line of foundry‐fabricated CMOS microchips in a one‐transistor‐one‐resistor (1T1R) architecture. The MoS2‐based 1T1R cells exhibit forming‐free, nonvolatile resistive switching with ultra‐low operating voltages, low cycle‐to‐cycle variability ...
Jimin Lee +16 more
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A new Gaussian curvature of the image surface based variational model for haze or fog removal. [PDF]
PLoS One, 2023 Arif M +6 more
europepmc +1 more source