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http://functions.wolfram.com/07.37.17.0008.01
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SphericalHarmonicY[\[Lambda], \[Mu], \[CurlyTheta], \[CurlyPhi]] ==
(Csc[\[CurlyTheta]] (Sqrt[((\[Lambda] - \[Mu] - 1) (\[Lambda] - \[Mu]))/
((2 \[Lambda] - 1) (2 \[Lambda] + 1))] SphericalHarmonicY[
\[Lambda] - 1, \[Mu] + 1, \[CurlyTheta], \[CurlyPhi]] -
Sqrt[((\[Lambda] + \[Mu] + 1) (\[Lambda] + \[Mu] + 2))/
((2 \[Lambda] + 1) (2 \[Lambda] + 3))] SphericalHarmonicY[
\[Lambda] + 1, \[Mu] + 1, \[CurlyTheta], \[CurlyPhi]]))/
E^(I \[CurlyPhi])
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Cell[BoxData[RowBox[List[RowBox[List["SphericalHarmonicY", "[", RowBox[List["\[Lambda]", ",", "\[Mu]", ",", "\[CurlyTheta]", ",", "\[CurlyPhi]"]], "]"]], "\[Equal]", RowBox[List[RowBox[List["Csc", "[", "\[CurlyTheta]", "]"]], SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["-", "\[ImaginaryI]"]], " ", "\[CurlyPhi]"]]], RowBox[List["(", RowBox[List[RowBox[List[SqrtBox[FractionBox[RowBox[List[RowBox[List["(", RowBox[List["\[Lambda]", "-", "\[Mu]", "-", "1"]], ")"]], " ", RowBox[List["(", RowBox[List["\[Lambda]", "-", "\[Mu]"]], ")"]]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", "\[Lambda]"]], "-", "1"]], ")"]], RowBox[List["(", RowBox[List[RowBox[List["2", "\[Lambda]"]], "+", "1"]], ")"]]]]]], " ", RowBox[List["SphericalHarmonicY", "[", RowBox[List[RowBox[List["\[Lambda]", "-", "1"]], ",", RowBox[List["\[Mu]", "+", "1"]], ",", "\[CurlyTheta]", ",", "\[CurlyPhi]"]], "]"]]]], "-", RowBox[List[SqrtBox[FractionBox[RowBox[List[RowBox[List["(", RowBox[List["\[Lambda]", "+", "\[Mu]", "+", "1"]], ")"]], " ", RowBox[List["(", RowBox[List["\[Lambda]", "+", "\[Mu]", "+", "2"]], ")"]]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", "\[Lambda]"]], "+", "1"]], ")"]], " ", RowBox[List["(", RowBox[List[RowBox[List["2", "\[Lambda]"]], "+", "3"]], ")"]]]]]], " ", RowBox[List["SphericalHarmonicY", "[", RowBox[List[RowBox[List["\[Lambda]", "+", "1"]], ",", RowBox[List["\[Mu]", "+", "1"]], ",", "\[CurlyTheta]", ",", "\[CurlyPhi]"]], "]"]]]]]], ")"]]]]]]]]
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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <msubsup> <mi> Y </mi> <mi> λ </mi> <mi> μ </mi> </msubsup> <mo> ( </mo> <mrow> <mi> ϑ </mi> <mo> , </mo> <mi> φ </mi> </mrow> <mo> ) </mo> </mrow> <mo> ⩵ </mo> <mrow> <mrow> <mi> csc </mi> <mo> ⁡ </mo> <mo> ( </mo> <mi> ϑ </mi> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <msup> <mi> ⅇ </mi> <mrow> <mrow> <mo> - </mo> <mi> ⅈ </mi> </mrow> <mo> ⁢ </mo> <mi> φ </mi> </mrow> </msup> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mrow> <msqrt> <mfrac> <mrow> <mrow> <mo> ( </mo> <mrow> <mi> λ </mi> <mo> - </mo> <mi> μ </mi> <mo> - </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mi> λ </mi> <mo> - </mo> <mi> μ </mi> </mrow> <mo> ) </mo> </mrow> </mrow> <mrow> <mrow> <mo> ( </mo> <mrow> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> λ </mi> </mrow> <mo> - </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> λ </mi> </mrow> <mo> + </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> </mrow> </mfrac> </msqrt> <mo> ⁢ </mo> <mrow> <msubsup> <mi> Y </mi> <mrow> <mi> λ </mi> <mo> - </mo> <mn> 1 </mn> </mrow> <mrow> <mi> μ </mi> <mo> + </mo> <mn> 1 </mn> </mrow> </msubsup> <mo> ( </mo> <mrow> <mi> ϑ </mi> <mo> , </mo> <mi> φ </mi> </mrow> <mo> ) </mo> </mrow> </mrow> <mo> - </mo> <mrow> <msqrt> <mfrac> <mrow> <mrow> <mo> ( </mo> <mrow> <mi> λ </mi> <mo> + </mo> <mi> μ </mi> <mo> + </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mi> λ </mi> <mo> + </mo> <mi> μ </mi> <mo> + </mo> <mn> 2 </mn> </mrow> <mo> ) </mo> </mrow> </mrow> <mrow> <mrow> <mo> ( </mo> <mrow> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> λ </mi> </mrow> <mo> + </mo> <mn> 1 </mn> </mrow> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <mo> ( </mo> <mrow> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> λ </mi> </mrow> <mo> + </mo> <mn> 3 </mn> </mrow> <mo> ) </mo> </mrow> </mrow> </mfrac> </msqrt> <mo> ⁢ </mo> <mrow> <msubsup> <mi> Y </mi> <mrow> <mi> λ </mi> <mo> + </mo> <mn> 1 </mn> </mrow> <mrow> <mi> μ </mi> <mo> + </mo> <mn> 1 </mn> </mrow> </msubsup> <mo> ( </mo> <mrow> <mi> ϑ </mi> <mo> , </mo> <mi> φ </mi> </mrow> <mo> ) </mo> </mrow> </mrow> </mrow> <mo> ) </mo> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> SphericalHarmonicY </ci> <ci> λ </ci> <ci> μ </ci> <ci> ϑ </ci> <ci> φ </ci> </apply> <apply> <times /> <apply> <csc /> <ci> ϑ </ci> </apply> <apply> <power /> <exponentiale /> <apply> <times /> <apply> <times /> <cn type='integer'> -1 </cn> <imaginaryi /> </apply> <ci> φ </ci> </apply> </apply> <apply> <plus /> <apply> <times /> <apply> <power /> <apply> <times /> <apply> <plus /> <ci> λ </ci> <apply> <times /> <cn type='integer'> -1 </cn> <ci> μ </ci> </apply> <cn type='integer'> -1 </cn> </apply> <apply> <plus /> <ci> λ </ci> <apply> <times /> <cn type='integer'> -1 </cn> <ci> μ </ci> </apply> </apply> <apply> <power /> <apply> <times /> <apply> <plus /> <apply> <times /> <cn type='integer'> 2 </cn> <ci> λ </ci> </apply> <cn type='integer'> -1 </cn> </apply> <apply> <plus /> <apply> <times /> <cn type='integer'> 2 </cn> <ci> λ </ci> </apply> <cn type='integer'> 1 </cn> </apply> </apply> <cn type='integer'> -1 </cn> </apply> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <ci> SphericalHarmonicY </ci> <apply> <plus /> <ci> λ </ci> <cn type='integer'> -1 </cn> </apply> <apply> <plus /> <ci> μ </ci> <cn type='integer'> 1 </cn> </apply> <ci> ϑ </ci> <ci> φ </ci> </apply> </apply> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <times /> <apply> <power /> <apply> <times /> <apply> <plus /> <ci> λ </ci> <ci> μ </ci> <cn type='integer'> 1 </cn> </apply> <apply> <plus /> <ci> λ </ci> <ci> μ </ci> <cn type='integer'> 2 </cn> </apply> <apply> <power /> <apply> <times /> <apply> <plus /> <apply> <times /> <cn type='integer'> 2 </cn> <ci> λ </ci> </apply> <cn type='integer'> 1 </cn> </apply> <apply> <plus /> <apply> <times /> <cn type='integer'> 2 </cn> <ci> λ </ci> </apply> <cn type='integer'> 3 </cn> </apply> </apply> <cn type='integer'> -1 </cn> </apply> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <ci> SphericalHarmonicY </ci> <apply> <plus /> <ci> λ </ci> <cn type='integer'> 1 </cn> </apply> <apply> <plus /> <ci> μ </ci> <cn type='integer'> 1 </cn> </apply> <ci> ϑ </ci> <ci> φ </ci> </apply> </apply> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["SphericalHarmonicY", "[", RowBox[List["\[Lambda]_", ",", "\[Mu]_", ",", "\[CurlyTheta]_", ",", "\[CurlyPhi]_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["Csc", "[", "\[CurlyTheta]", "]"]], " ", SuperscriptBox["\[ExponentialE]", RowBox[List[RowBox[List["-", "\[ImaginaryI]"]], " ", "\[CurlyPhi]"]]], " ", RowBox[List["(", RowBox[List[RowBox[List[SqrtBox[FractionBox[RowBox[List[RowBox[List["(", RowBox[List["\[Lambda]", "-", "\[Mu]", "-", "1"]], ")"]], " ", RowBox[List["(", RowBox[List["\[Lambda]", "-", "\[Mu]"]], ")"]]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", " ", "\[Lambda]"]], "-", "1"]], ")"]], " ", RowBox[List["(", RowBox[List[RowBox[List["2", " ", "\[Lambda]"]], "+", "1"]], ")"]]]]]], " ", RowBox[List["SphericalHarmonicY", "[", RowBox[List[RowBox[List["\[Lambda]", "-", "1"]], ",", RowBox[List["\[Mu]", "+", "1"]], ",", "\[CurlyTheta]", ",", "\[CurlyPhi]"]], "]"]]]], "-", RowBox[List[SqrtBox[FractionBox[RowBox[List[RowBox[List["(", RowBox[List["\[Lambda]", "+", "\[Mu]", "+", "1"]], ")"]], " ", RowBox[List["(", RowBox[List["\[Lambda]", "+", "\[Mu]", "+", "2"]], ")"]]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", " ", "\[Lambda]"]], "+", "1"]], ")"]], " ", RowBox[List["(", RowBox[List[RowBox[List["2", " ", "\[Lambda]"]], "+", "3"]], ")"]]]]]], " ", RowBox[List["SphericalHarmonicY", "[", RowBox[List[RowBox[List["\[Lambda]", "+", "1"]], ",", RowBox[List["\[Mu]", "+", "1"]], ",", "\[CurlyTheta]", ",", "\[CurlyPhi]"]], "]"]]]]]], ")"]]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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){kind=small}
