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Bohm's approach and individuality
University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre. University of Helsinki. (Cognitive neuroscience and philosophy)
University of London.
University of Helsinki.
2015 (English)In: Individuals Across the Sciences / [ed] Guay, A. and Pradeu, T., Oxford University Press, 2015, 226-249 p.Chapter in book (Refereed)
Abstract [en]

 Ladyman and Ross (LR) argue that quantum objects are not individuals

(or are at most weakly discernible individuals) and use this idea

to ground their metaphysical view, ontic structural realism, according

to which relational structures are primary to things. LR acknowledge

that there is a version of quantum theory, namely the Bohm theory

(BT), according to which particles do have denite trajectories at all

times. However, LR interpret the research by Brown et al.  as implying

that "raw stuff" or haecceities  are needed for the individuality of

particles of BT, and LR dismiss this as idle metaphysics. In this paper

we note that Brown et al.'s research does not imply that haecceities

are needed. Thus BT remains as a genuine option for those who seek

to understand quantum particles as individuals. However, we go on to

discuss some problems with BT which led Bohm and Hiley to modify it.

This modified version underlines that, due to features such as context-dependence

and non-locality, Bohmian particles have a very limited

autonomy in situations where quantum effects are non-negligible. So

while BT restores the possibility of quantum individuals, it also underlines

the primacy of the whole over the autonomy of the parts. The

later sections of the paper also examine the Bohm theory in the general

mathematical context of symplectic geometry. This provides yet

another way of understanding the subtle, holistic and dynamic nature

of Bohmian individuals. We finally briefly consider Bohm's other main 

line of research, the "implicate order", which is in some ways similar to

LR's structural realism.

Place, publisher, year, edition, pages
Oxford University Press, 2015. 226-249 p.
National Category
Research subject
Humanities and Social sciences
URN: urn:nbn:se:his:diva-10770DOI: 10.1093/acprof:oso/9780199382514.003.0013ISBN: 978-0-19-938251-4OAI: diva2:797487
Available from: 2015-03-24 Created: 2015-03-24 Last updated: 2016-01-25Bibliographically approved

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