Universal structure of objective states in all fundamental causal theories

نویسندگان

چکیده

A crucial question is how objective and classical behavior arises from a fundamental physical theory. Here we provide natural definition of decoherence process valid in all causal theories, show its can be extremely different the quantum one. Remarkably, despite this, prove that so-called spectrum broadcast structure characterizes states every theory, exactly as mechanics. Our results stark contrast between extraordinarily diverse universal features objectivity.

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ژورنال

عنوان ژورنال: Physical review research

سال: 2021

ISSN: ['2643-1564']

DOI: https://doi.org/10.1103/physrevresearch.3.033148