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Gambini R. — Relational description of the measurement process in quantum field theory
Gambini R. — Relational description of the measurement process in quantum field theory

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Название: Relational description of the measurement process in quantum field theory

Автор: Gambini R.

Аннотация:

We have recently introduced a realistic, covariant, interpretation for the reduction process in relativistic quantum mechanics. The basic problem for a covariant description is the dependence of the states on the frame within which collapse takes place. A suitable use of the causal structure of the devices involved in the measurement process allowed us to introduce a covariant notion for the collapse of quantum states. However, a fully consistent description in the relativistic domain requires the extension of the interpretation to quantum fields. The extension is far from straightforward. Besides the obvious difficulty of dealing with the infinite degrees of freedom of the field theory, one has to analyse the restrictions imposed by causality concerning the allowed operations in a measurement process. In this paper we address these issues. We shall showthat, in the case of partial causally connected measurements, our description allows us to include a wider class of causal operations than the one resulting from the standard way of computing conditional probabilities. This alternative description could be experimentally tested. Averification of this proposalwould give stronger support to the realistic interpretations of the states in quantum mechanics.


Язык: en

Рубрика: Физика/

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 2002

Количество страниц: 17

Добавлена в каталог: 21.10.2012

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