Solar energy paper index
Why 4D? Spontaneous Dimensional Selection from Gauge Criticality
One-line summary
A solar energy research paper on Why 4D? Spontaneous Dimensional Selection from Gauge Criticality.
Engineering notes
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Chinese explanation / 中文解读
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Original abstract
Noting that the Yang--Mills coupling is relevant below four dimensions, marginal in four dimensions, and irrelevant above four dimensions, I propose that this criticality can lead to the selection of four macroscopic dimensions. As a proof of principle, I present a concrete racetrack model of the type commonly studied in extra-dimensional scenarios, but without assuming a noncompact 4D spacetime. I find, within a well-controlled model without specifying the 4D, that 4D spacetime is spontaneously realized through radion stabilization via gauge-criticality-induced supersymmetry breaking and supergravity effects.
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