Wait, Why Gauge?
Wait, Why Gauge?
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等等,为什么要测量?
DOI:
10.1086/727736
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Rivat S
中科院分区:
文献类型:
--
作者:
Rivat S
Philosophers of physics have spent much effort unpacking the structure of gauge theories. But surprisingly, little attention has been devoted to the question of why we should require our best theories to be locally gauge invariant in the first place. Drawing on Steven Weinberg’s works in the mid-1960s, I argue that the principle of local gauge invariance follows from Lorentz invariance and other natural assumptions in the context of perturbative relativistic quantum field theory. On this view, gauge freedom is a mere accidental feature of an already highly constrained set of quantities; the distinctive structure of our best gauge theories, in turn, traces back to the peculiar spacetime transformation properties of particles like photons, gluons, and gravitons. I conclude by drawing a few interpretative lessons for the philosophy of gauge theories.
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影响因子:
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DOI:
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DOI:
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期刊:
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