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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...
CoRoT\,102699796, the first metal-poor Herbig Ae pulsator: a hybrid $δ$ Sct-$γ$ Dor variable?
stars: pre-main-sequence – stars: variables: T Tauri, Herbig Ae/Be variables: Scuti stars: fundamental parameters stars: abundances infrared:stars.
2011/9/9
We present the analysis of the time series observations of CoRoT102699796 obtained by the CoRoT satellite that show the presence of five independent oscilla-
tion frequencies in the range 3.6-5 c/d. ...
We analyze the problem of calculating the solutions and the spectrum of a string with arbitrary density and fixed ends. We build a perturbative scheme which uses a basis of WKB-type functions and obt...
Soliton-like Solutions for Nonlinear Schroedinger Equation with variable quadratic Hamiltonians
Soliton-like Solutions Nonlinear Schroedinger Equation variable quadratic Hamiltonians
2010/11/11
We construct soliton-like solutions for the nonlinear Schroedinger equation with variable quadratic Hamiltonians in a unified form by using a complete integrability of generalized harmonic oscillator...
Continuous variable entanglement distillation of Non-Gaussian Mixed States
Continuous variable Non-Gaussian Mixed States
2010/3/10
Many different quantum information communication protocols such as teleportation, dense coding and entanglement based quantum key distribution are based on the faithful transmission of entanglement be...
Higher Dimensional Dark Energy Investigation with Variable $\Lambda$ and $G$
Higher dimension variable variable G.
2010/3/17
Time variable $\Lambda$ and $G$ are studied here under a phenomenological model of $\Lambda$ through an ($n+2$) dimensional analysis. The relation of Zeldovich (1968) $|\Lambda| = 8\pi G^2m_p^6/h^4$ b...