Results 11 to 20 of about 1,085,446 (213)

The Holographic Principle [PDF]

open access: yesBasics and Highlights in Fundamental Physics, 2001
15 pages TeX, 1 figure PostScript. Typographical and grammatical errors removed.
Hooft, G. 't, Gerard 't Hooft
openaire   +5 more sources

The traveltime holographic principle [PDF]

open access: yesGeophysical Journal International, 2014
Abstract Fermat's interferometric principle is used to compute interior transmission traveltimes τpq from exterior transmission traveltimes τsp and τsq. Here, the exterior traveltimes are computed for sources s on a boundary B that encloses a volume V of interior points p and q.
Huang, Yunsong, Schuster, Gerard T.
openaire   +4 more sources

Hierarchical Physical-Cyber Encryption via Metasurface-Encoded Holographic Keys. [PDF]

open access: yesAdv Sci (Weinh)
ABSTRACT Physical‐layer encryption based on metasurfaces has emerged as a promising alternative to conventional algorithmic cryptography by embedding security into physical processes. However, most existing metasurface‐based encryption schemes operate within single‐stage or static frameworks, where correct physical illumination directly reveals the ...
Liu Z   +8 more
europepmc   +2 more sources

Off-axis transmission holographic system for recording aquatic particles [PDF]

open access: yes, 1996
We describe a holographic system for recording particles suspended in water. The hologram plate is located in air, separated from the test tank by an air/glass/water boundary. The holographic emulsion is therefore unaffected by adverse aquatic conditions
Lampitt, RS   +4 more
core   +6 more sources

Dynamic holographic interferometry using a Bi12SiO20 photorefractive crystal and monomode optical fibres [PDF]

open access: yes, 1993
Dynamic holographic interferometry using polarization preserving opticai fibres as light guides and incorporating a photorefractive Bi12SiO20 (BSO) crystal as the recording medium is described.
Potter, J, Spooncer, RC, Hobson, PR
core   +6 more sources

Derivation of a Unified Theory from the Holographic Principle

open access: yesReports in Advances of Physical Sciences, 2023
Holographic principle and the related self-similarity symmetry are observed widely in nature. Research in black hole, string theory and quantum theory of gravity suggests that holographic principle can be an important symmetry for solving challenging ...
Zhi Gang Sha, Rulin Xiu
doaj   +1 more source

Toward a Mathematical Holographic Principle [PDF]

open access: yesJournal of Statistical Physics, 2014
In work started in [17] and continued in this paper our objective is to study selectors of multivalued functions which have interesting dynamical properties, such as possessing absolutely continuous invariant measures. We specify the graph of a multivalued function by means of lower and upper boundary maps $τ_{1}$ and $τ_{2}.$ On these boundary maps we
Góra, Paweł   +3 more
openaire   +3 more sources

Study on the tool setting method of micro-milling tool based on in-line holography [PDF]

open access: yesMATEC Web of Conferences, 2022
Aiming at the various shortcomings of existing tool setting methods, this paper proposes a coaxial holographic tool setting method for tiny tools.
Zhang Xianghui   +3 more
doaj   +1 more source

The holographic principle and the early universe [PDF]

open access: yesPhysics Letters B, 2005
A scenario is proposed in which the matter-antimatter asymmetry behaves like a seed for the inflationary phase of the universe. The mechanism which makes this scenario plausible is the holographic principle: this scheme is supported by a good prediction of the number of e-folds. It seems that such a mechanism can only work in the presence of a Hagedorn-
CANFORA, Fabrizio, VILASI, Gaetano
openaire   +3 more sources

Holographic dark energy from the laws of thermodynamics with Rényi entropy

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
This article investigates the relationship between the holographic principle and the laws of thermodynamics in explaining the late-time acceleration of the universe.
Manosh T. Manoharan   +2 more
doaj   +1 more source

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