Absorption and Scattering Cross Section of Regular Black Holes

<table>The scattering potential <svg height="15.4" id="M28" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 25.612499 15.4" width="25.612499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> is plotted for different values of the angular momentum <svg height="12.4375" id="M29" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 4.6999998 12.4375" width="4.6999998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> by fixed parameters <svg height="11.175" id="M30" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 45.0625 11.175" width="45.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><path d="M545 106q-67 -118 -134 -118q-24 0 -40 37.5t-30 129.5h-2q-47 -72 -103 -119.5t-108 -47.5q-47 0 -76 45.5t-29 119.5q0 113 85 204t174 91q47 0 70 -33.5t43 -119.5h3q32 47 80 140l55 13l10 -9q-47 -80 -138 -201q17 -99 27.5 -136t22.5 -37q23 0 69 61zM333 204
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</svg> in the Wheeler-type coordinates. The larger the value of <svg height="12.4375" id="M32" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 4.6999998 12.4375" width="4.6999998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M238 681l-124 -585q-7 -31 4 -31q10 0 37.5 18.5t49.5 41.5l16 -22q-40 -48 -89.5 -81.5t-76.5 -33.5q-42 0 -16 122l105 488q7 32 0 41t-39 9h-35l5 26q35 3 71 13t58 17.5t26 7.5q14 0 8 -31z" id="x1D459"></path></g>
</svg> is, the higher the scattering barrier is.</table>

Journal of Gravity

Absorption and Scattering Cross Section of Regular Black Holes

Figure 1