Absorption and Scattering Cross Section of Regular Black Holes

Table 1

Entropy integral between different oarts of radius.

Lapse function	Reference
(1) 𝑓(𝑟)=1−2𝑚𝑟^2(𝑟^2+𝛼^2)^3/2	[16]
(2) 𝑓(𝑟)=1−2𝑚𝑟^2𝑟^3+2𝛼^2	[20]
(3) 𝑓(𝑟)=1−2𝑚𝑟𝑟1−tanh^0𝑟	[22]
(4) 𝑓(𝑟)=1−4𝑚𝜋𝑟tan^−1𝑟𝑟0−𝑟𝑟0𝑟^2+𝑟^20	[18]
(5) 𝑓(𝑟)=1−2𝑚𝑟^2(𝑟^2+𝑞^2)^3/2+𝑞^2𝑟^2(𝑟^2+𝑞^2)^2	[19]
(6) 𝑓(𝑟)=1+𝑐𝑟^2𝑏^2+𝜌0𝑟^2𝑏^3𝑏𝑟^2−𝑏^2𝑟^2+tan^−1𝑟^2−𝑏^2𝑏	[21]