Richard Feynman, the outstanding American physicist, was deeply convinced that one phenomenon absolutely impossible to explain by classical physics is quantum interference, responsible, among other things, for the fringes visible behind two slits through which a single quantum object passes. A large group of physicists is still wondering to what extent these non-intuitive phenomena of quantum mechanics are just the result of our cognitive limitations, i.
- Reality and the Physicist: Knowledge, Duration and the Quantum World.
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Not nature, but our lack of full knowledge about the system would cause the phenomena observed in it to acquire the features of unexplainable exoticism. This type of approach is an attempt to look at quantum mechanics as a theory with a well-defined ontology, leading to the question of what really distinguishes quantum theory from classical theories.
The quantum world is mind-bogglingly weird
The article in Physical Review A demonstrated the principles of constructing models of any complex optical systems built of elements functioning according to the principles of classical physics with the addition of certain local hidden variables, to which we have only indirect access. Blasiak showed that for single particles, the presented model faithfully reproduces all the phenomena commonly regarded as an obvious sign of quantum behavior, including collapse of the wave function, quantum interference and contextuality. Moreover, the classical analogies of these phenomena turn out to be quite simple.
However, this model cannot reproduce the characteristic features of quantum entanglement, the occurrence of which requires at least two quantum particles. This seems to indicate that entanglement and the associated nonlocality may be a more fundamental property of the quantum world than quantum interference.
Reality and the Physicist: Knowledge, Duration and the Quantum World
We have the tools to formulate such questions and solve them precisely. The constructed model aims to show that ontological models with limited access to information have at least the potential possibility of explaining most of the exotic quantum phenomena within broadly understood classical physics.
It turns out that quantum effects for single particles can be successfully reproduced within classical i. The described local model, reproducing quantum phenomena for a single particle, very clearly defines the limit beyond which statements concerning nonlocality lose their legitimacy. Publisher: Cambridge University Press , This specific ISBN edition is currently not available.
View all copies of this ISBN edition:. Synopsis About this title Contemporary physics, especially quantum theory, has raised profound questions about the relationship between the methods of science and the reality these methods seek to investigate.
Book Description : The relationship between scientific methodology and the reality it seeks to investigate is examined by studying the practices and criticism of contemporary physicists. Language Notes : Text: English, French translation "About this title" may belong to another edition of this title.
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The Spooky Reality Behind the Quantum Universe --"We Haven't a Clue What It Is" | The Daily Galaxy
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