Results 191 to 200 of about 1,590,095 (240)

Anomalous photoelectrochemical etching of undoped semiconductor surfaces. [PDF]

Nat Commun
Peng P, Liu X, Yang S, Zhou R, Deng H, Gao L, Fang NX, Liu S, Zhu J.   +8 more
europepmc   +1 more source

Electrically switchable continuous phase liquid crystal Fresnel zone plate. [PDF]

Light Sci Appl
Xu Z, Nourshargh C, Wang T, Xu A, Spiller N, Mur U, Booth MJ, Elston SJ, Morris SM.   +8 more
europepmc   +1 more source

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The Holographic Principle

, 2016
Saul-Paul Sirag
semanticscholar   +2 more sources

A Conformal OAM Metasurface Antenna Based On Holographic Principle

Asia-Pacific Microwave Conference, 2020
We present a conformal metasurface antenna implemented by the holographic method that can be wrapped on the cylindrical carrier and produce the OAM spiral wave-front. Then the radiant principle of a holographic antenna is introduced.
Xiaokui Ren, L. Deng, Chen Zhang, Botao Feng   +3 more
semanticscholar   +1 more source

Holographic principle inspired dark energy description of unified early and late universe in viscous mimetic gravity

Physics of the Dark Universe
In this study, we explore the mimetic matter model proposed by Chamseddine and Mukhanov (J. High Energy Phys. 11, 135, 2013), utilizing the holographic principle to coherently describe both the early and late universe when bulk viscosity is present in ...
G. S. Khadekar, S. Ray, Aritra Sanyal, Praveen Kumar Dhankar   +3 more
semanticscholar   +1 more source

A Low-Profile and High-Gain Circularly Polarized Antenna Based on Holographic Principle

Asia-Pacific Microwave Conference, 2018
This paper presents a low-profile and high-gain right circularly polarized antenna based on holographic artificial impedance surface. The holographic antenna (HA) is comprised of around 2000 various elements printed on grounded dielectric substrate ...
Lei Gan, Wen Jiang, S. Gong, Q. Chen, Xiaoqiu Li   +4 more
semanticscholar   +1 more source

Theoretical principles of holographic crystallography

Physical Review B, 1991
Simulation d'un cliche de diffraction des electrons par des calculs de cluster de diffusion multiple et etude de la nature des images reconstruites. Attention particuliere sur la puissance du modele de plateau de zone d'holographie pour comprendre les resultats, et plus specialement sur les proprietes de reconstruction optimale du plateau de zone de ...
, Saldin, , Harp, , Chen, , Tonner
openaire   +2 more sources

Computational Imaging With Holographic RIS: Sensing Principle and Pathloss Analysis

IEEE Journal on Selected Areas in Communications
Realizing the wireless environmental sensing is another desired function of reconfigurable intelligent surface (RIS), in addition to enhancing the performance of wireless communication systems.
Haoran Sun, Feifei Gao, Shunde Zhang, Shi Jin, Tie Jun Cui   +4 more
semanticscholar   +1 more source

PHYSICAL CONSEQUENCES OF THE HOLOGRAPHIC PRINCIPLE

International Journal of Geometric Methods in Modern Physics, 2006
The would-be theory of quantum gravity, from which one should deduce the holographic principle, is not available yet. Here it is shown that the classical gravitational interaction is well inside the set of potentials allowed by the holographic principle.
CANFORA, Fabrizio, VILASI, Gaetano
openaire   +3 more sources

f (R) gravity and Maxwell equations from the holographic principle

, 2011
Extending the holographic program of our previous work, we derive f (R) gravity and the Maxwell equations from the holographic principle, using time-like holographic screens.
R. Miao, Jun Meng, Miao Li
semanticscholar   +1 more source