metric

ds2=f(r)dt2+1f(r)dr2+Adθ2+Bdϕ2+OtherParts

event horizon

from  f(r)=0,  get  r=rh

surface gravity

κ=12rh

temperture

T=κ2π=14πrh

β=1T

GUP result

the ϵ:

2λ=rhrh+ϵdrf

I(x)=f(rh)ϵ2rh22x2(x2+β2f(rh)ϵ4λ)2

where x=βω2

Entropy

SAH=βAH312πλ30dxx4sinh2xI(x)AH

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