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Quantum Entanglement and the Loss Of Reality
[Paperback - 2018]
thomas v. marcella
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List Price: $13.95
Our Price: Rs.4195
Category: Science
Sub-category: Popular Science
Publisher: Create Space Independent | ISBN: 9781981807420 | Pages: 220
Shipping Weight: .300 | Dimensions: null

Description

Quantum mechanics is all about doing experiments. But it predicts only the possible results and the probability of obtaining each result. Results and probabilities. That s all there are! The ultimate question is, "Is this all there is to know about the quantum experiment?" Bohr answers, "Yes. If we know the results and the probability of occurrence for each result, then we know everything there is to know about that experiment. There is nothing else!""Not so," says Einstein. "Surely, there must be more to an experiment than just results and probabilities. Obviously, quantum mechanics does not tell us the whole story."Bell s theorem says they cannot both be correct. There can be no quantum mechanics that embraces the tenets of classical physics. Nature has to choose one or the other. We answer the question by taking the reader from classical physics through Bell s theorem in the context of the Bohr-Einstein debate over the meaning of reality. The classical approach of Einstein is pitted against the quantum mechanics of Bohr, common sense against the counterintuitive nature of the new theory. Entanglement is the essential characteristic of quantum mechanics that makes it different from classical theory. And with entanglement there is no reality as we know it. In particular, we discuss the EPR experiment and Bell s theorem in detail. At the end of it all, we are forced to conclude, as did Bell, that quantum mechanics is incompatible with classical physics. Subsequent experiments confirm that local realism, as professed in classical theory, is untenable. This is a corrected version. A further readings section has been added.

About the Author

Tom Marcella is the grandson of illiterate Italian immigrants. He was the first in his family to go to college. He received his PhD from Boston College and taught physics at UMass Lowell for thirtyfour years. Trained as a nuclear physicist, he worked with the accelerator group at UMass Lowell, but his main areas of interest became the second law of thermodynamics and the foundations of quantum mechanics. Other than family and physics he has enjoyed being around airplanes. He has flown them, helped to build one, and occasionally jumped from them. He says life has been a great adventure and he is thankful to all family, friends, colleagues, and especially his teachers who helped make it all possible. He presently lives with his wife in an in-law apartment in Massachusetts during the summer and in a retirement condo in Florida during the winter.

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