Results 111 to 120 of about 1,590,095 (240)

Gravitation, Holographic Principle, and Extra Dimensions

open access: yesJournal of Modern Physics, 2016
Within the context of Newton's theory of gravitation, restricted to point-like test particles and central bodies, stable circular orbits in ordinary space are related to stable circular paths on a massless, unmovable, undeformable vortex-like surface, under the action of a tidal gravitational field along the symmetry axis.
openaire   +3 more sources

A personal 360° view of applications of ‘biomimetic’ molecular recognition

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract Molecular recognition between biological molecules has formed the basis for innumerable applications in biotechnology for the last seven decades or so. Techniques such as affinity chromatography, solid‐phase and aqueous two‐phase extraction, affinity precipitation, biomimetic catalytic systems, biosensors and molecular imprinting all exploit ...
Christopher R Lowe
wiley   +1 more source

Entanglement Entropy of AdS Black Holes

open access: yesEntropy, 2010
We review recent progress in understanding the entanglement entropy of gravitational configurations for anti-de Sitter gravity in two and three spacetime dimensions using the AdS/CFT correspondence.
Maurizio Melis, Mariano Cadoni
doaj   +1 more source

Dual-channel near-field holographic MIMO communications based on programmable digital coding metasurface and electromagnetic theory

open access: yesNature Communications
Holographic multiple-input multiple-output (MIMO) method leverages spatial diversity to enhance the performance of wireless communications and is expected to be a key technology enabling for high-speed data services in the forthcoming sixth generation ...
R. Shao   +9 more
semanticscholar   +1 more source

Size‐ and Depth‐Extended Aerial 3D Display Using Fresnel‐Lens‐Enhanced AIRR

open access: yesJournal of the Society for Information Display, EarlyView.
A size‐ and depth‐extended three‐dimensional (3D) aerial display is realized by combining a light‐field display with a magnifying lens and a Fresnel‐lens‐enhanced aerial imaging by retro‐reflection (LeAIRR) system. The magnifying lens enlarges the virtual light‐field display plane without increasing the physical panel size, extending the aerial image ...
Akito Fukuda   +5 more
wiley   +1 more source

A Thermodynamic Approach to Holographic Dark Energy

open access: yesAdvances in High Energy Physics, 2017
We propose a method to relate the holographic minimal information density to de Broglie’s wavelength at a given universe temperature T. To figure this out, we assume that the thermal length of massive and massless constituents represents the cut-off ...
Orlando Luongo
doaj   +1 more source

Wide‐Field Autostereoscopic 3D Display Enabled by Isolated Microlens Array and Gradual Radius Lens Design

open access: yesJournal of the Society for Information Display, EarlyView.
This paper proposes an Isolated Microlens Array (I‐MLA) with Gradual Radius Lens (GRL) design for a wide‐field autostereoscopic floating 3D display in compact form. Extended coding pitch and directional mesh eliminate crosstalk, while radially varying microlens curvature maintains sharp images at large angles. Simulations show a practical continuous 40°
Hsin‐You Hou, Cheng‐Huan Chen
wiley   +1 more source

Recent Advances in Photonic Bound States in the Continuum: From Fundamentals to Engineering and Implementation

open access: yesLaser &Photonics Reviews, EarlyView.
This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley   +1 more source

Coherence‐Gated Mirau Interferometry for Single‐Shot Quantitative Phase Imaging and Motion Sensing

open access: yesLaser &Photonics Reviews, EarlyView.
This paper presents a compact add‐on module converting a Mirau or other on‐axis interferometer into a single‐shot quantitative phase imaging system using coherence gating and precise optical path matching. Demonstrations include time‐resolved imaging of human cells and streaming red blood cells, visualization of evaporation dynamics in liquid mixtures,
Petr Bouchal   +4 more
wiley   +1 more source

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