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QuantumA quantum is the smallest increment into which many physical properties are subdivided.
Most commonly, quanta are the fundamental units of something measurable. Energy, for example, is quantized into photons, wavelike packets of fixed frequency. Quantum physics was founded at the beginning of the twentieth century, incorporating at a foundational level the idea that electromagnetic radiation comes in such packets; the concepts of quantum theory have proved paradoxical, and difficult to articulate in any familiar terms, but the theory built up into quantum field theory was the largest single step in the physical sciences between 1900 and 1950.
Etymology
The word quantum comes from the Latin word for "quantity".
See also
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Refutation of Bell's Theorem (ResearchIndex)
This article is to provide such a refutation, within a strictly quantum theoretical framework and without the need of any additional assumptions.
http://citeseer.nj.nec.com/425381.html
`Many Minds' Interpretation of QM
Does QM implies simultaneous existence of distinct experiences of a single person ?
http://www.qubit.org/people/david/Articles/CommentOnLockwood.html
Absurdities in Modern Physics: A Solution
This book-on-the-web presents an unorthodox, critical review of the Copenhagen Interpretation (CI)
http://www.newtonphysics.on.ca/HEISENBERG/Contents.html
Quantum Theory Without Observers
Decoherent histories (DH) approach was initiated in 1984
http://www.math.rutgers.edu/~oldstein/papers/qts/qts.html
Modified version of 'double-slit' experiment
LEONARD MANDEL at the University of Rochester used parametric down-converter
http://www.fortunecity.com/emachines/e11/86/qphil.html
On the End of a Quantum Mechanical Romance
Role of Decoherence in QM measurement
http://psyche.cs.monash.edu.au/v2/psyche-2-19-mulhauser.html
The Future of Physics?
On compatibility of the quantum theory and theory of general relativity - by Dr. Mendel Sachs
http://www.compukol.com/mendel/
Bohmian Mechanics
Recent work on Bohmian mechanics, the formulation of quantum mechanics proposed in 1952 by David Bohm.
http://www.mathematik.uni-muenchen.de/~bohmmech/BohmHome/bmstartE.htm
Exotic Probability Theories
Complex and negative probabilities and their relation to quantum mechanics
http://physics.bu.edu/~youssef/quantum/quantum_refs.html
Decoherence caught in the act
After the measurement of an atom's state is probed by a second atom...
http://www.lkb.ens.fr/recherche/qedcav/english/rydberg/nonresonant/decoherence.html
A Gravitational Explanation for Quantum Mechanics
Measurement changes toplogy of the spacetime.
http://www.warwick.ac.uk/~phsem/
Local realism and the crucial experiment
Aspect experiment is not 'crucial experiment' ruling out a local realistic theory. Paper written by Yoav Ben-Dov, Cohn Institute for the History of Science, Tel-Aviv University.
http://spinoza.tau.ac.il/hci/ins/cohn/bendov/eng/crucial.htm
Quantum Entanglement and Causality
Evidence of entanglement is event stronger argument for non-locality then Bell theorem.
http://fergusmurray.members.beeb.net/Causality.html
Discussions of Quantum Mechanics
Yahoo! Groups: Quantum Mechanics
http://dir.groups.yahoo.com/dir/1600910338
THE Objectivist Quantum Mechanics
E-book reviews history, alternatives and raises good questions on philosophy and free will.
http://physics-qa.com/html/QMBOOK.HTM
Nodal Interpretation of QM
Non-local description in terms of interaction events, called nodes.
http://www.c-parr.freeserve.co.uk/quantum
New Wave Dissidents
While older generation of dissidents, Einstein, deBroglie, Bohm, Nelson, Bell, ... passed away, a new generation arose to "question the authorities": Objective Science -- A rational, reality based foundation for the sciences.
http://objectivescience.com/
Discrete discontinuous nature of reality
Critical review of QM concepts, Bell theorem implication, based on sceptical view of infinite structures in mathematics
http://www.mtnmath.com/
Quantum Gravity May Explain Dark Matter
Random vectors, quantum gravity and dark matter.
http://www.geocities.com/quantumgravitydarkmatter/index.htm
TEW - theory of elementary waves
Science forum comparing TEW with other interpretations.
http://pub47.ezboard.com/fsqwarkfrm24.showMessage?topicID=8.topic
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