In the quantum world, a particle can behave like a wave and accordingly seems to be in two places at eh same time. This of course is contradictory to our...
Something new is needed which reconciles gravity and quantum mechanics. During the last two de- des we are now doing the first steps towards this more general theory and we are confronted with fundamental difficulties.
11.7 A Measure of Entanglement for Mixtures : Entanglement of Formation and Concurrence * AB In the previous section , we took the parameter F to be a measure of the entanglement of the mixed state p of Eq . ( 11.9 ) .
An introductory textbook for advanced students of physics, chemistry and computer science, covering an area of physics that has lately witnessed rapid expansion.
... systems but not always properties. For example, only after the measurement of “ position” do quantum systems also have the property “ position” and this property has a specific value. In the case of entangled systems, we have seen that ...