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Quantum Mechanics as Quantum Information (and only a little more)
Christopher A. Fuchs
abstract: In this paper, I try once again to cause some good-natured trouble. The issue
remains, when will we ever stop burdening the taxpayer with conferences devoted
to the quantum foundations? The suspicion is expressed that no end will be in
sight until a means is found to reduce quantum theory to two or three
statements of crisp physical (rather than abstract, axiomatic) significance. In
this regard, no tool appears better calibrated for a direct assault than
quantum information theory. Far from a strained application of the latest fad
to a time-honored problem, this method holds promise precisely because a large
part--but not all--of the structure of quantum theory has always concerned
information. It is just that the physics community needs reminding.
This paper, though taking quant-ph/0106166 as its core, corrects one mistake
and offers several observations beyond the previous version. In particular, I
identify one element of quantum mechanics that I would not label a subjective
term in the theory--it is the integer parameter D traditionally ascribed to a
quantum system via its Hilbert-space dimension.
- oai_identifier:
- oai:arXiv.org:quant-ph/0205039
- categories:
- quant-ph
- comments:
- 59 pages, 5 figures, 140 equations, one simple idea
- arxiv_id:
- quant-ph/0205039
- created:
- 2002-05-08
Full article ▸
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