Quantum Nonlocality and Reality: 50 Years of Bell’s Theorem by Mary Bell, Shan Gao
By Mary Bell, Shan Gao
Combining twenty-six unique essays written via a powerful line-up of distinctive physicists and philosophers of physics, this anthology displays many of the most recent suggestions through top specialists at the effect of Bell's theorem on quantum physics. Essays growth from John Bell's personality and history, via stories of his major paintings, and directly to extra speculative principles, addressing the controversies surrounding the concept, and investigating the theorem's that means and its deep implications for the character of actual fact. mixed, they current a robust touch upon the indisputable value of Bell's theorem for the improvement of principles in quantum physics over the last 50 years. Questions surrounding the assumptions and importance of Bell's paintings nonetheless motivate dialogue within the box of quantum physics. including to this with a theoretical and philosophical viewpoint, this balanced anthology is an quintessential quantity for college students and researchers attracted to the philosophy of physics and the rules of quantum mechanics.
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Extra resources for Quantum Nonlocality and Reality: 50 Years of Bell’s Theorem
5) concerning this matter. 5 John’s letter supporting the visit of P. Pearle. 6 Erice’s conference in 1989. 4 Obviously we reacted immediately, and so Philip spent a reasonably long period in Trieste interacting with me and Renata Grassi. Subsequently he spent a few months in Pavia, invited by A. Rimini, who had been given a chair there. This stay of Pearle gave rise to an extremely useful collaboration between us. But, more importantly, this contact allowed him to grasp the precise spirit and the technical details of our work, so that, integrating the new ideas in to the stochastic evolution equations he was investigating, he produced the elegant version  of collapse model which became known as CSL (continuous spontaneous localization).
Van Kampen. This paper is distinguished especially by its robust common sense. The author has no patience with ‘… such mind-boggling fantasies as the many world interpretation …’. He dismisses out of hand the notion of 19 20 Recollections of John Bell von Neumann, Pauli, Wigner that ‘measurement’ might be complete only in the mind of the observer: ‘… I find it hard to understand that someone who arrives at such a conclusion does not seek the error in his argument’. For vK ‘… the mind of the observer is irrelevant … the quantum mechanical measurement is terminated when the outcome has been macroscopically recorded …’.
8 A Light Note On a lighter note, it will of course be recognised that the Irish joke (and its cousins) are the lowest form of wit. However, it appears that John Bell liked them! One of his favourites was ‘Green side up. Green side up’, which relates to an Irishman laying turf. More relevant to quantum theory is his explanation of his discovery of Bell’s inequalities. It is well known that disagreement with the inequalities occurred only for certain ranges of angles of correlation, which did not include 0 degrees or 90 degrees.