Rivat, Sébastien (2024) Open systems across scales. [Preprint]

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Abstract

The view that our best current physics deals with effective systems has gained philosophical traction in the last two decades. A similar view about open systems has also been picking up steam in recent years. Yet little has been said about how the concepts of effective and open systems relate to each other despite their apparent kinship—both indeed seem at first sight to presuppose that the system in question is somehow incomplete. In this paper, I distinguish between two concepts of effectiveness and openness in quantum field theory, which provides a remarkably well-developed theoretical framework to make a first stab at the matter, and argue that on both counts, every realistic effective system in this context is also open. I conclude by highlighting how the discussion opens novel avenues for thinking of systems as open across scales.

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Item Type:	Preprint
Creators:	Creators Email ORCID Rivat, Sébastien sebastien.rivat@lrz.uni-muenchen.de 0000-0001-8500-0170
Additional Information:	forthcoming in Synthese
Keywords:	Effective Field Theories; Open Quantum Systems; Open Effective Field Theories; Quantum Field Theory
Subjects:	Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Field Theory
Depositing User:	Sébastien Rivat
Date Deposited:	04 Nov 2024 13:04
Last Modified:	04 Nov 2024 13:04
Item ID:	24157
Subjects:	Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Quantum Field Theory
Date:	2024
URI:	https://philsci-archive.pitt.edu/id/eprint/24157

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