This may have practical value in real experiments, and even may be tested with current technology. Give explicit expressions for success and failure probabilities. We describe the probabilistic teleportation in terms of quantum operations and Ours is a generalized quantum teleportation protocol that encompasses probabilisticĪs well as deterministic teleportation scenarios. We show that using non-maximally entangled measurements one can teleport an unknown state with unit fidelity but with a probability that is less than unit. In this talk, we will present a new protocol that uses neither local filtering nor entanglement concentration to teleport an unknown state. Typically, one has to perform either local filtering or entanglement concentration and then follow the standard teleportation method. With non-maximally entangled state as a resource one cannot teleport an unknown state faithfully. In the presence of quantum noise a perfect EPR pair becomes imperfect and may be described by a non-maximally entangled pair.
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This first results permit us to hope in application like skin lesion quantification in dermatology. We find that for all test media with different latex micro-ball concentrations (1%, 5% and 10%) the characteristic element size and the saturation of the variance discriminate media while Hurst exponent seems to be constant for all concentrations. Applications of this method to characterization of test media are presented. Hence, spatial speckle is characterize by extracting from diffusion function plot a set of three parameters the Hurst exponent, the saturation of the variance and the characteristic element size. We applied this approach by estimation of the mean quadratic spatial difference, or diffusion function, for 2D analysis of speckle image. Variogram analysis is a possible method to estimate the Hurst exponent. This dependence is quantified by the Hurst exponent H that is a 'scale factor' indicating the persistence (H>0.5), totally random (H=0.5) or the anti-persistence (H<0.5) nature of the process. This extension is related to the existence of a long-range statistic dependence in the process. Stochastic processes showing statistical scale law are, under some assumptions, called fractional Brownian motion (fBm) which is a generalization of ordinary Brownian motion (Bm) as defined by Mandelbrot and Van Ness. In this paper, we present a stochastic approach based on Brownian motion theory in the approximation of the diffusion. The main problem is the characterization of the backscattered media from the speckle pattern in biomedical imagery. Spatial and temporal statistics of this speckle allow many applications in laser imaging.
It is well known that interactions between a coherent monochromatic radiation and a scattering media induce a speckle phenomenon.
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