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====Approximation Near the Maximum Mass==== We can rewrite the expression for the "high" roots of <math>~\xi_\pm</math> as, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\epsilon_\pm \equiv 3 - \xi_\pm\biggr|_\mathrm{high} </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - \sqrt{3} \biggl( \frac{3 \cdot 5}{2^4\pi \chi^2_\pm} \biggr)^{1/2} \biggl[ 1 + \biggl( 1 - \frac{2^4\pi \chi^2_\pm}{3 \cdot 5} \biggr)^{1 / 2} \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 2 \biggl( \frac{\chi_\pm}{r_\mathrm{crit}} \biggr)^{-1} \biggl\{ 1 + \biggl[ 1 - \frac{3}{4} \biggl( \frac{\chi_\pm}{r_\mathrm{crit}} \biggr)^2 \biggr]^{1 / 2} \biggr\} \, . </math> </td> </tr> </table> </div> As desired, <math>~\epsilon_\pm \rightarrow 0</math> when <math>~\chi_\pm/r_\mathrm{crit} \rightarrow 1</math>. Ultimately, we expect to find that, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\Delta C_2</math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\tilde{C}_2 - 4</math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 3 \biggl( \frac{\tilde\xi_+^2}{3}\biggr)^{-1} \biggl[1 + \biggl( \frac{\tilde\xi_+^2}{3}\biggr)\biggr] - 4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 3\biggl[ \frac{3 + (3-\epsilon_+)^2}{ (3-\epsilon_+)^2 } \biggr] - 4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \frac{9 - (3-\epsilon_+)^2}{ (3-\epsilon_+)^2 } </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \frac{6\epsilon_+ - \epsilon_+^2}{ 9 -6\epsilon_+ + \epsilon_+^2 } \, . </math> </td> </tr> </table> </div> And, similarly, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\Delta C_1</math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\tilde{C}_1 - 4</math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \frac{6\epsilon_- - \epsilon_-^2}{ 9 -6\epsilon_- + \epsilon_-^2 } \, . </math> </td> </tr> </table> </div> Now, let's work through power-series expansions for each. For <math>~\epsilon_+</math> we need, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl( \frac{\chi_+}{r_\mathrm{crit}} \biggr)^{-1} </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl\{ 1 ~+ \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 ~+~ \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\}^{-1} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr]^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr]^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr]^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl(\frac{2}{3^2}\biggr) \mu^2 - \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 + \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[ \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu \biggr]^2 \biggl\{ 1 - \biggl[ \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu - \biggl( \frac{7^2}{2^6 \cdot 3^6} \biggr)^{1 / 2}\mu^2 + \biggl( \frac{2^5 \cdot 5^2}{3^{9} } \biggr)^{1 / 2} \mu^3 + \mathcal{O}(\mu^4)\biggr] \biggr\}^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \biggl[ \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu \biggr]^3 \biggl\{1 - \biggl[ \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu - \biggl( \frac{7^2}{2^6 \cdot 3^6} \biggr)^{1 / 2}\mu^2 + \biggl( \frac{2^5 \cdot 5^2}{3^{9} } \biggr)^{1 / 2} \mu^3 + \mathcal{O}(\mu^4)\biggr] \biggr\}^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[ \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu \biggr]^4 \biggl\{1 - \biggl[ \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu - \biggl( \frac{7^2}{2^6 \cdot 3^6} \biggr)^{1 / 2}\mu^2 + \biggl( \frac{2^5 \cdot 5^2}{3^{9} } \biggr)^{1 / 2} \mu^3 + \mathcal{O}(\mu^4)\biggr] \biggr\}^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl(\frac{2}{3^2}\biggr) \mu^2 - \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 + \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \frac{\mu^2}{2 \cdot 3} \biggl\{ 1 - \biggl[ \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu - \biggl( \frac{7^2}{2^6 \cdot 3^6} \biggr)^{1 / 2}\mu^2 + \mathcal{O}(\mu^3)\biggr] \biggr\}^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ -\biggl( \frac{1}{2 \cdot 3}\biggr)^{3 / 2}\mu^3 \biggl\{1 - \biggl[ \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu + \mathcal{O}(\mu^2)\biggr] \biggr\}^3 +\biggl( \frac{1}{2 \cdot 3}\biggr)^{2}\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl(\frac{2}{3^2}\biggr) \mu^2 - \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 + \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \frac{\mu^2}{2 \cdot 3} \biggl\{ 1 - \biggl(\frac{2^5}{3^3}\biggr)^{1 / 2} \mu + \biggl[ \frac{7 + 2^3 \cdot 3^2}{2^2\cdot 3^3} \biggr] \mu^2 \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ -\biggl( \frac{1}{2 \cdot 3}\biggr)^{3 / 2}\mu^3 + 3\biggl(\frac{2^3}{3}\biggr)^{1 / 2}\biggl( \frac{1}{2 \cdot 3}\biggr)^{3 / 2}\mu^4 +\biggl( \frac{1}{2 \cdot 3}\biggr)^{2}\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl[ \biggl(\frac{2}{3^2}\biggr) + \frac{1}{2 \cdot 3} \biggr] \mu^2 - \biggl[\biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2} + \biggl(\frac{2^3}{3^5}\biggr)^{1 / 2} + \biggl( \frac{1}{2 \cdot 3}\biggr)^{3 / 2} \biggr] \mu^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[ \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr) + \biggl( \frac{79}{2^3 \cdot 3^4} \biggr) + \biggl( \frac{5}{2^2 \cdot 3^2}\biggr)\biggr] \mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{23\cdot 29}{2^3 \cdot 3^5} \biggr) \mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> </table> </div> And we need, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl( \frac{\chi_+}{r_\mathrm{crit}} \biggr)^{2} </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl\{ 1 ~+ \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 ~+~ \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\}^{2} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ 2 \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^7 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^2 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) \biggr]^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{2^2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^5 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^3 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[\biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu\biggr]^2 \biggl\{1 + \biggl[ - \biggl(\frac{2^3}{3^3}\biggr)^{1 / 2} \mu + \biggl( \frac{7^2}{2^6 \cdot 3^6} \biggr)^{1 / 2}\mu^2 - \biggl( \frac{2^5 \cdot 5^2}{3^{9} } \biggr)^{1 / 2} \mu^3 + \mathcal{O}(\mu^4) \biggr] \biggr\}^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{2^2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^5 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^3 \cdot 5}{3^5 } \biggr)\mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl( \frac{\mu^2}{2 \cdot 3}\biggr) \biggl[ 1 - \biggl(\frac{2^5}{3^3}\biggr)^{1 / 2} \mu + \biggl( \frac{7^2}{2^4 \cdot 3^6} \biggr)^{1 / 2}\mu^2 + \biggl(\frac{2^3}{3^3}\biggr) \mu^2 \biggr] + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{2^2}{3^2}\biggr) \mu^2 + \biggl( \frac{7^2}{2^5 \cdot 3^7} \biggr)^{1 / 2}\mu^3 - \biggl( \frac{2^3 \cdot 5}{3^5 } \biggr)\mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl( \frac{\mu^2}{2 \cdot 3}\biggr) - \biggl( \frac{1}{2 \cdot 3}\biggr)\biggl(\frac{2^5}{3^3}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{1}{2 \cdot 3}\biggr)\biggl[ \biggl( \frac{7^2}{2^4 \cdot 3^6} \biggr)^{1 / 2} + \biggl(\frac{2^6}{3^6}\biggr)^{1 / 2} \biggr]\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu + \biggl[ \biggl( \frac{1}{2 \cdot 3}\biggr) - \biggl(\frac{2^2}{3^2}\biggr) \biggr] \mu^2 + \biggl[ \biggl( \frac{7^2}{2^5 \cdot 3^7} \biggr)^{1 / 2} - \biggl( \frac{1}{2 \cdot 3}\biggr)\biggl(\frac{2^5}{3^3}\biggr)^{1 / 2} \biggr] \mu^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl( \frac{1}{2 \cdot 3}\biggr)\biggl[ \biggl( \frac{7^2}{2^4 \cdot 3^6} \biggr)^{1 / 2} + \biggl(\frac{2^6}{3^6}\biggr)^{1 / 2} \biggr]\mu^4 - \biggl( \frac{2^3 \cdot 5}{3^5 } \biggr)\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3^2}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^7}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{203}{2^3 \cdot 3^5 } \biggr) \mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> </table> </div> Hence, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl[ 1 - \frac{3}{4} \biggl( \frac{\chi_+}{r_\mathrm{crit}} \biggr)^2 \biggr]^{1 / 2}</math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl\{ 1 - \frac{3}{4} \biggl[ 1 ~+ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3^2}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^7}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{203}{2^3 \cdot 3^5 } \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\}^{1 / 2} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1-3 \biggl[ \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3^2}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^7}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{203}{2^3 \cdot 3^5 } \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\}^{1 / 2} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1- \biggl[ \biggl( 2\cdot 3\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{203}{2^3 \cdot 3^4 } \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\}^{1 / 2} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1- \frac{1}{2} \biggl[ \biggl( 2\cdot 3\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{203}{2^3 \cdot 3^4 } \biggr) \mu^4 \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \frac{1}{2^3} \biggl[ \biggl( 2\cdot 3\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3}\biggr)\mu^2 - \biggl(\frac{41^2}{2^5 \cdot 3^5}\biggr)^{1 / 2} \mu^3 \biggr]^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \frac{1}{2^4} \biggl[ \biggl( 2\cdot 3\biggr)^{1 / 2}\mu - \biggl(\frac{5}{2\cdot 3}\biggr)\mu^2 \biggr]^3 - \frac{5}{2^7} \biggl[ \biggl( 2\cdot 3\biggr)^{1 / 2}\mu \biggr]^4 + \mathcal{O}(\mu^5) \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1- \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu + \biggl(\frac{5}{2^2 \cdot 3}\biggr)\mu^2 + \biggl(\frac{41^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{203}{2^4 \cdot 3^4 } \biggr) \mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \biggl( \frac{3}{2^2}\biggr) \mu^2 \biggl[1 - \biggl(\frac{5^2}{2^3\cdot 3^3}\biggr)^{1 / 2} \mu - \biggl(\frac{41^2}{2^6 \cdot 3^6}\biggr)^{1 / 2} \mu^2 \biggr]^2 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ - \biggl( \frac{3^3}{2^5}\biggr)^{1 / 2} \mu^3 \biggl[ 1 - \biggl(\frac{5^2}{2^3\cdot 3^3}\biggr)^{1 / 2} \mu \biggr]^3 - \biggl( \frac{3^2\cdot 5}{2^5} \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1 - \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu + \biggl[ \biggl(\frac{5}{2^2 \cdot 3}\biggr) - \biggl( \frac{3}{2^2}\biggr)\biggr] \mu^2 + \biggl[ \biggl(\frac{2^2 \cdot 3^4 \cdot 5^2}{2^7\cdot 3^5}\biggr)^{1 / 2} - \biggl( \frac{2^2 \cdot 3^8}{2^7 \cdot 3^5}\biggr)^{1 / 2} + \biggl(\frac{41^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \biggr] \mu^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[ \biggl( \frac{3^2\cdot 57}{2^5 \cdot 3^4}\biggr) - \biggl( \frac{3^5\cdot 5}{2^5 \cdot 3^4} \biggr) + \biggl( \frac{2\cdot 203}{2^5 \cdot 3^4 } \biggr) \biggr]\mu^4 \biggr\} + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \frac{1}{2}\biggl\{ 1 - \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu - \biggl(\frac{1}{3}\biggr) \mu^2 - \biggl( \frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) \mu^4 \biggr\} + \mathcal{O}(\mu^5) \, , </math> </td> </tr> </table> </div> and, finally, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\epsilon_+ </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 2 \biggl( \frac{\chi_+}{r_\mathrm{crit}} \biggr)^{-1} \biggl\{ 1 + \biggl[ 1 - \frac{3}{4} \biggl( \frac{\chi_+}{r_\mathrm{crit}} \biggr)^2 \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 2 \biggl\{ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{23\cdot 29}{2^3 \cdot 3^5} \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr\} \biggl\{ 1 + \frac{1}{2}\biggl[ 1 - \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu - \biggl(\frac{1}{3}\biggr) \mu^2 - \biggl( \frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr] \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 3 \biggl\{ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{23\cdot 29}{2^3 \cdot 3^5} \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr\} \biggl\{ 1 - \biggl( \frac{1}{2\cdot 3}\biggr)^{1 / 2}\mu - \biggl(\frac{1}{3^2}\biggr) \mu^2 - \biggl( \frac{31^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{296}{2^5 \cdot 3^5} \biggr) \mu^4 + \mathcal{O}(\mu^5) \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 3 \biggl\{ \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl( \frac{23\cdot 29}{2^3 \cdot 3^5} \biggr) \mu^4 \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~- \biggl( \frac{1}{2\cdot 3}\biggr)^{1 / 2}\mu \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~- \biggl(\frac{1}{3^2}\biggr) \mu^2 \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 \biggr] - \biggl(\frac{31^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu \biggr] - \biggl( \frac{296}{2^5 \cdot 3^5} \biggr) \mu^4 \biggr\} + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu - \biggl( \frac{7}{2 \cdot 3} \biggr) \mu^2 + \biggl(\frac{139^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{23\cdot 29}{2^3 \cdot 3^4} \biggr) \mu^4 + \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 - \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~+ \biggl(\frac{1}{3}\biggr) \mu^2 \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl( \frac{7}{2 \cdot 3^2} \biggr) \mu^2 \biggr] + \biggl(\frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 \biggl[ 1 ~- \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu \biggr] + \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) \mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl[\biggl( \frac{3}{2}\biggr)^{1 / 2} + \biggl( \frac{3}{2}\biggr)^{1 / 2} \biggr] \mu - \biggl[ \biggl( \frac{7}{2 \cdot 3} \biggr) + \biggl( \frac{1}{2}\biggr) \biggr] \mu^2 + \biggl[ \biggl(\frac{139^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} + \biggl( \frac{7^2}{2^3 \cdot 3^3} \biggr)^{1 / 2}\biggr] \mu^3 - \biggl[ \biggl( \frac{23\cdot 29}{2^3 \cdot 3^4} \biggr) + \biggl(\frac{139^2}{2^8 \cdot 3^6}\biggr)^{1 / 2}\biggr] \mu^4 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl(\frac{1}{3}\biggr) \mu^2 ~ + \biggl[ \biggl(\frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} - \biggl(\frac{1}{3}\biggr) \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2} \biggr] \mu^3 + \biggl[ \biggl(\frac{1}{3}\biggr) \biggl( \frac{7}{2 \cdot 3^2} \biggr) - \biggl(\frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2} + \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) \biggr]\mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ \biggl[\biggl( \frac{3}{2}\biggr)^{1 / 2} + \biggl( \frac{3}{2}\biggr)^{1 / 2} \biggr] \mu + \biggl[ \biggl(\frac{1}{3}\biggr) -\biggl( \frac{7}{2 \cdot 3} \biggr) - \biggl( \frac{1}{2}\biggr) \biggr] \mu^2 + \biggl[ \biggl(\frac{139^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} + \biggl( \frac{7^2}{2^3 \cdot 3^3} \biggr)^{1 / 2} + \biggl(\frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} - \biggl(\frac{1}{3}\biggr) \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2} \biggr] \mu^3 </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> </td> <td align="left"> <math>~ + \biggl[ \biggl(\frac{1}{3}\biggr) \biggl( \frac{7}{2 \cdot 3^2} \biggr) - \biggl(\frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2} + \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) -\biggl( \frac{23\cdot 29}{2^3 \cdot 3^4} \biggr) - \biggl(\frac{139^2}{2^8 \cdot 3^6}\biggr)^{1 / 2}\biggr] \mu^4 + \mathcal{O}(\mu^5) </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 6^{1 / 2} \mu - \biggl(\frac{4}{3}\biggr)\mu^2 + \biggl[ \frac{5\cdot 23}{(2^5 \cdot 3^5)^{1 / 2}} \biggr] \mu^3 - \biggl(\frac{191}{2\cdot 3^4}\biggr) \mu^4 + \mathcal{O}(\mu^5) \, . </math> </td> </tr> </table> </div> <!-- FIRST ATTEMPT AT LOWEST ORDER APPROXIMATION Expanding to leading order, here is a quick idea of what to expect. <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\epsilon_\pm </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~3 - 2 \biggl( \frac{\chi_\pm}{r_\mathrm{crit}} \biggr)^{-1} \biggl\{ 1 + \biggl[ 1 - \frac{3}{4} \biggl( \frac{\chi_\pm}{r_\mathrm{crit}} \biggr)^2 \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 2 \biggl[ 1 \pm \frac{\mu}{\sqrt{6}} \biggr]^{-1} \biggl\{ 1 + \biggl[ 1 - \frac{3}{4} \biggl( 1 \pm \frac{\mu}{\sqrt{6}}\biggr)^2 \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 2 \biggl[ 1 \mp \frac{\mu}{\sqrt{6}} \biggr] \biggl\{ 1 + \biggl[ 1 - \frac{3}{4} \biggl( 1 \pm \frac{2\mu}{\sqrt{6}}\biggr) \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 2 \biggl[ 1 \mp \frac{\mu}{\sqrt{6}} \biggr] \biggl\{ 1 + \biggl[ \frac{1}{4} \mp \frac{3}{2} \frac{\mu}{\sqrt{6}} \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 2 \biggl[ 1 \mp \frac{\mu}{\sqrt{6}} \biggr] \biggl\{ 1 + \frac{1}{2}\biggl[ 1 \mp \frac{6\mu}{\sqrt{6}} \biggr]^{1 / 2} \biggr\} </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 2 \biggl[ 1 \mp \frac{\mu}{\sqrt{6}} \biggr] \biggl[ \frac{3}{2} \mp \frac{3\mu}{2\sqrt{6}} \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 3 \biggl[ 1 \mp \frac{\mu}{\sqrt{6}} \biggr] \biggl[ 1\mp \frac{\mu}{\sqrt{6}} \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~3 - 3 \biggl[ 1 \mp \frac{2\mu}{\sqrt{6}} \biggr] </math> </td> </tr> <tr> <td align="right"> </td> <td align="center"> <math>~\approx</math> </td> <td align="left"> <math>~\pm \sqrt{6}\mu \, . </math> </td> </tr> </table> </div> END FIRST STEP AT POWER-SERIES EXPANSION --> Similarly we have determined that, for <math>~\epsilon_-</math>, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl( \frac{\chi_-}{r_\mathrm{crit}} \biggr)^{-1} </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~+ \biggl( \frac{1}{2 \cdot 3}\biggr)^{1 / 2}\mu + \biggl[ \frac{7}{2 \cdot 3^2} \biggr] \mu^2 + \biggl(\frac{139^2}{2^7 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl[ \frac{23\cdot 29}{2^3 \cdot 3^5} \biggr] \mu^4 + \mathcal{O}(\mu^5) \, , </math> </td> </tr> </table> </div> and, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl( \frac{\chi_-}{r_\mathrm{crit}} \biggr)^{2} </math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ 1 ~- \biggl( \frac{2}{3}\biggr)^{1 / 2}\mu + \biggl[ - \biggl(\frac{5}{2\cdot 3^2}\biggr) \biggr] \mu^2 + \biggl(\frac{41^2}{2^5 \cdot 3^7}\biggr)^{1 / 2} \mu^3 + \biggl[- \biggl( \frac{203}{2^3 \cdot 3^5 } \biggr) \biggr] \mu^4 + \mathcal{O}(\mu^5) \, , </math> </td> </tr> </table> </div> and, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\biggl[ 1 - \frac{3}{4} \biggl( \frac{\chi_-}{r_\mathrm{crit}} \biggr)^2 \biggr]^{1 / 2}</math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~\frac{1}{2} \biggl\{ 1 + \biggl( \frac{3}{2}\biggr)^{1 / 2}\mu - \biggl(\frac{1}{3}\biggr) \mu^2 + \biggl( \frac{31^2}{2^7 \cdot 3^5}\biggr)^{1 / 2} \mu^3 - \biggl( \frac{296}{2^5 \cdot 3^4} \biggr) \mu^4 \biggr\} + \mathcal{O}(\mu^5) \, , </math> </td> </tr> </table> </div> and, <div align="center"> <table border="0" cellpadding="5" align="center"> <tr> <td align="right"> <math>~\epsilon_-</math> </td> <td align="center"> <math>~=</math> </td> <td align="left"> <math>~ - 6^{1 / 2} \mu - \biggl(\frac{4}{3}\biggr)\mu^2 - \biggl[ \frac{5\cdot 23}{(2^5 \cdot 3^5)^{1 / 2}} \biggr] \mu^3 - \biggl(\frac{191}{2\cdot 3^4}\biggr) \mu^4 + \mathcal{O}(\mu^5) \, . </math> </td> </tr> </table> </div>
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