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Along with eggs, soup and rubber toys, the list of the chicken's most lasting legacies may eventually include advanced materials such as self-organizing colloids, or optics that can transmit light wit...
Alternative construction of the closed form of the Green's function for the wavized Maxwell fish-eye problem
Maxwell fish-eye problem Green function scalar wave optics gradient-index (GRIN) optics
2011/8/16
Abstract: In the recent paper [J.\ Phys.\ A 44 (2011) 065203], we have arrived at the closed-form expression for the Green's function for the partial differential operator describing propagation of a ...
Green's function for the wavized Maxwell fish-eye problem
Maxwell抯 fish-eye problem Green抯 function Legendre functions scalar wave optics gradient-index (GRIN) optics
2011/8/16
Abstract: Unique transformation properties under the hyperspherical inversion of a partial differential equation describing a stationary scalar wave in an $N$-dimensional ($N\geqslant2$) Maxwell fish-...
Variable stars magnitudes estimations exploiting the eye physiology
Variable the eye physiology
2011/9/29
The physiology of the dark adaption process of the eye is revisited from an astronomical point of view. A new method for the magnitude estimation of a star is presented. It is based upon the timing of...
Can Maxwell's Fish Eye Lens Really Give Perfect Imaging? Part II. The case with drains
Maxwell's Fish Eye Lens Perfect Imaging Part II
2010/11/16
We use both FEM (finite element method) and FDTD (finite difference time domain method) to simulate the field distribution in Maxwell's fish eye lens with one or more passive drains around the image ...
Typhoon eye trajectory based on a mathematical model: comparing with observational data
Typhoon eye trajectory observational data
2010/4/2
We propose a model based on the primitive system of the Navier-Stokes equations in a bidimensional framework as the $l$ - plane approximation, which allows us to explain the variety of tracks of tropi...
On the Possibility to Construct Gravitational Eye
gravitational eye Cavandish torsion pendulum gravitational
experiment gravieye
2007/8/15
2007Vol.47No.5pp.851-860DOI:
On the Possibility to Construct Gravitational Eye
CHEN Ying-Tian
Department of Astronomy and Applied Physics, University of Science and Tech...
Massachusetts Institute of Technology team takes high-res, 3-D images of eye（图）
Quantum Electronics Electro-Optics
2007/5/8
April 30, 2007，In work that could improve diagnoses of many eye diseases, MIT researchers have developed a new type of laser for taking high-resolution, 3-D images of the retina, the part of the eye t...
A Bird's-Eye View of Density-Functional Theory
Density-functional theory Electronic-structure theory Electron correlation Many-body theory
2010/10/13
This paper is the outgrowth of lectures the author gave at the Physics Institute and the Chemistry Institute of the University of S˜ao Paulo at S˜ao Carlos, Brazil, and at the VIII’th Summer...
Preliminary Results of an Instrument for Measuring the Optical Aberrations of the Human Eye
the Optical Aberrations the Human Eye
2010/10/27
The human eye, as our biological vision instrument, contains intrinsic optical defects, referred to as optical aberrations or ametropia. The immediate consequence of such aberrations is poor quality o...