If I could see as far ahead as I can see behind

Lange, Arthur

doi:10.5479/sil.982113.mq1687891

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“…Einstein discovered special relativity by probing cracks in the foundations of classical electromagnetism. 49 Studying the foundations of quantum field theory could similarly lead to new ideas.…”

Section: Discussionmentioning

confidence: 99%

The Fundamentality of Fields

Sebens¹

2022

Preprint

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There is debate as to whether quantum field theory is, at bottom, a quantum theory of fields or particles. One can take a field approach to the theory, using wave functionals over field configurations, or a particle approach, using wave functions over particle configurations. This article argues for a field approach, presenting three advantages over a particle approach: (1) particle wave functions are not available for photons, (2) a classical field model of the electron gives a superior account of both spin and self-interaction as compared to a classical particle model, and (3) the space of field wave functionals appears to be larger than the space of particle wave functions. The article also describes two important tasks facing proponents of a field approach: (1) legitimize or excise the use of Grassmann numbers for fermionic field values and wave functional amplitudes, and (2) describe how quantum fields give rise to particle-like behavior.

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Section: Discussionmentioning

confidence: 99%

The Fundamentality of Fields

Sebens¹

2022

Preprint

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“…4 Here we face the same kind of circle we saw above; how can we break into it? But why should we think that having that property marks the laws as objectively special?…”

Section: Rvmentioning

confidence: 90%

Extra-Physical Structure in a Physical World? or, Is the Study of Life Provincial?

Roberts

2011

Monist

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If I could see as far ahead as I can see behind

Cited by 2 publications

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The Fundamentality of Fields

The Fundamentality of Fields

Extra-Physical Structure in a Physical World? or, Is the Study of Life Provincial?

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