OUTER FRINGE. “The key is the phenomenon of criticality that takes place in systems with gravity‐like synaptic connections among the bosonic degrees of freedom that can be in highly excited (highly occupied) states. In such states many gapless modes emerge.”
https://onlinelibrary.wiley.com/doi/full/10.1002/prop.201800007?casa_token=GdPRXs_tGLEAAAAA%3Ag-pxPMtkcleTYDUNK3mYGfpEzKRyc2LqQknTgFFB7dkYFDL8rDe2s0f4_0Q0oKjXD4_AEgFPGWolVTQ