dorsal/arxiv
View SchemaA Fundamental Limit of Measurement Imposed by the Elementary Interactions
| Authors | Akira Shimizu |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9911102 |
| URL | https://arxiv.org/abs/quant-ph/9911102 |
| DOI | 10.1063/1.1291630 |
| Journal | Statistical Physics (ed. M. Tokuyama and H.E. Stanley, AIP 2000) pp. 611-620. |
Abstract
Quantum information theory is closely related to quantum measurement theory because one must perform measurement to obtain information on a quantum system. Among many possible limits of quantum measurement, the simplest ones were derived directly from the uncertainty principles. However, such simple limits are not the only limits. I here suggest a new limit which comes from the forms and the strengths of the elementary interactions. Namely, there are only four types of elementary interactions in nature; their forms are determined by the gauge invariance (and symmetry breaking), and their coupling constants (in the low-energy regime) have definite values. I point out that this leads to a new fundamental limit of quantum measurements. Furthermore, this fundamental limit imposes the fundamental limits of getting information on, preparing, and controlling quantum systems.
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"abstract": "Quantum information theory is closely related to quantum measurement theory\nbecause one must perform measurement to obtain information on a quantum system.\nAmong many possible limits of quantum measurement, the simplest ones were\nderived directly from the uncertainty principles. However, such simple limits\nare not the only limits. I here suggest a new limit which comes from the forms\nand the strengths of the elementary interactions. Namely, there are only four\ntypes of elementary interactions in nature; their forms are determined by the\ngauge invariance (and symmetry breaking), and their coupling constants (in the\nlow-energy regime) have definite values. I point out that this leads to a new\nfundamental limit of quantum measurements. Furthermore, this fundamental limit\nimposes the fundamental limits of getting information on, preparing, and\ncontrolling quantum systems.",
"arxiv_id": "quant-ph/9911102",
"authors": [
"Akira Shimizu"
],
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"quant-ph",
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"doi": "10.1063/1.1291630",
"journal_ref": "Statistical Physics (ed. M. Tokuyama and H.E. Stanley, AIP 2000)\n pp. 611-620.",
"title": "A Fundamental Limit of Measurement Imposed by the Elementary Interactions",
"url": "https://arxiv.org/abs/quant-ph/9911102"
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