Why 4D? Spontaneous Dimensional Selection from Gauge Criticality By Wen Yi arxiv.org/abs/2607.28615
Why 4D? Spontaneous Dimensional Selection from Gauge Criticality
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…
arxiv.org