Synchrotron function: Difference between revisions

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[[Image:Synchrotron Functions.svg|thumb|First and second Synchrotron functions.]]

In [[mathematics]] the '''synchrotron functions''' are defined as follows (for ''x'' &ge; 0):<ref>{{Cite journal |lastlast1=Fouka |firstfirst1=M. |last2=Ouichaoui |first2=S. |date=2013-01-29 |title=Analytical Fits to the Synchrotron Functions |urljournal=https://arxiv.org/abs/1301.6908v1Research in Astronomy and Astrophysics |volume=13 |issue=6 |pages=680–686 |language=en |doi=10.1088/1674-4527/13/6/007|arxiv=1301.6908 |bibcode=2013RAA....13..680F |s2cid=118480582 }}</ref>

* First synchrotron function <math display="block">F(x) = x \int_x^\infty K_{\frac{5}{3}}(t)\,dt</math>

:* Second synchrotron function <math display="block">G(x) = x K_{\frac{2}{3}}(x)</math>

:<math>F(x) = x \int_x^\infty K_{\frac{5}{3}}(t)\,dt</math>

* Second synchrotron function

:<math>G(x) = x K_{\frac{2}{3}}(x)</math>

where ''K''_''j'' is the modified [[Bessel function]] of the second kind.

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== Further reading ==

*{{Cite book |last=Longair |first=Malcolm S. |url=https://www.worldcat.org/oclc/702125055 |title=High energy astrophysics |date=2011 |publisher=Cambridge University Press |isbn=978-0-511-93059-1 |edition=3rd |___location=Cambridge |oclc=702125055}}

*{{Cite book |last=Rybicki |first=George B. |url=https://www.bartol.udel.edu/~owocki/phys633/RadProc-RybLightman.pdf |title=Radiative processes in astrophysics |date=2004 |others=Alan P. Lightman |isbn=978-3-527-61817-0 |___location=Weinheim |pages=191 |oclc=212140606}}