Recycled entanglement detection by arbitrarily many sequential and independent pairs of observers

extremal region detection guided by maxima of gradient magnitude

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

Experimental Measurement-Device-Independent Entanglement Detection

Entanglement is one of the most puzzling features of quantum theory and of great importance for the new field of quantum information. The determination whether a given state is entangled or not is one of the most challenging open problems of the field. Here we report on the experimental demonstration of measurement-device-independent (MDI) entanglement detection using witness method for general...

Entanglement distribution by an arbitrarily inept delivery service

Quantum Entanglement of Neutrino Pairs

It is practically shown that a pair of neutrinos from tau decay can form a flavor entangled state. With this kind of state we show that the locality constrains imposed by Bell inequality are violated by the quantum mechanics, and an experimental test of this effect is feasible within the earth’s length scale. Theoretically, the quantum entanglement of neutrino pairs can be employed to the use o...

Assessment of pain by the child, dentist, and independent observers.

PURPOSE The objective of this study was to analyze the assessment of pain and distress by the child, dentist, and independent observers during a dental injection and study the relationship between the different assessments. METHODS The amount of pain experienced by the child during local anesthesia was reported independently by the child to both the dentist and parent on a 4-point scale runni...