"Characters of superconformal algebra and mock theta functions"의 두 판 사이의 차이

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==$\mathcal{N}=4$ superconformal algebra==
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==<math>\mathcal{N}=4</math> superconformal algebra==
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===generators and relations===
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* [[Virasoro algebra]]
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:<math>[L_m,L_n]=(m-n)L_{m+n}+\frac{c}{12}(m^3-m)\delta_{m+n}</math>
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* [[Affine sl(2)]]
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:<math>[J_m^i,J_n^j]=\epsilon_{ijk}J_{m+n}^k+\delta_{m+n}\delta^{i,j}\frac{c}{3},\quad i,j,k\in \{1,2,3\},\quad m,n\in \mathbb{Z}</math>
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:<math>[L_m,J_n^i]=-nJ_{m+n}^i,\quad m,n\in \mathbb{Z}</math>
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* fermionic operators
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:<math>
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G_r^a,\overline{G}_s^b,\quad a,b\in \{1,2\}
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</math>
  
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===<math>c=6k</math> with <math>k=1</math> case===
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* non-BPS characters : <math>h>k/4,\ell=1/2</math>
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===$c=6k$ with $k=1$ case===
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:<math>
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* non-BPS characters : $h>k/4,\ell=1/2$
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\operatorname{ch}^{\tilde R}_{h=1/4+n,\ell=0}=q^{h-3/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}=q^{n-1/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}
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$$
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</math>
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\operatorname{ch}^{\tilde R}_{h=1/4+n,\ell=0}
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* BPS characters : <math>h=1/4,\ell=0,1/2</math>
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$$
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:<math>
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* BPS characters : $h=1/4,\ell=0,1/2$
 
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$$
 
 
\operatorname{ch}^{\tilde R}_{h=1/4,\ell=0}=\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}\mu(z;\tau)\\
 
\operatorname{ch}^{\tilde R}_{h=1/4,\ell=0}=\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}\mu(z;\tau)\\
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\operatorname{ch}^{\tilde R}_{h=1/4,\ell=1/2}
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\operatorname{ch}^{\tilde R}_{h=1/4,\ell=1/2}+2\operatorname{ch}^{\tilde R}_{h=1/4,\ell=0}=q^{-1/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}
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$$
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</math>
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where $\mu(z;\tau)$ is the [[Appell-Lerch sums]] which is a holomorphic part of a mock modular form
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where <math>\mu(z;\tau)</math> is the [[Appell-Lerch sums]] which is a holomorphic part of a mock modular form
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* this is related to [[Mathieu moonshine]] and the elliptic genus of K3 surface
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* this is related to [[Mathieu moonshine]] and the [[elliptic genus]] of K3 surface
  
  
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===$k\geq 2$ case===
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===<math>k\geq 2</math> case===
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* this is related to [[Umbral moonshine]] and elliptic genus of hyperKahler manifolds of complex dimension $2k$
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* this is related to [[Umbral moonshine]] and elliptic genus of hyperKahler manifolds of complex dimension <math>2k</math>
  
  
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==history==
 
==history==
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* 1986 Eguchi-Taoimina <math>\mathcal{N}=4</math> superconformal algebra
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* 1990 Odake, <math>\mathcal{N}=2</math> superconformal algebra
 
* http://www.google.com/search?hl=en&tbs=tl:1&q=
 
* http://www.google.com/search?hl=en&tbs=tl:1&q=
  
37번째 줄: 46번째 줄:
  
 
==related items==
 
==related items==
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* [[Supersymmetric minimal models]]
 
* [[Appell-Lerch sums]]
 
* [[Appell-Lerch sums]]
 
* [[Mathieu moonshine]]
 
* [[Mathieu moonshine]]
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==articles==
 
==articles==
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* [http://dx.doi.org/10.1088/1751-8113/42/30/304010 Superconformal Algebras and Mock Theta Functions]
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* Tohru Eguchi and Kazuhiro Hikami [http://dx.doi.org/10.1088/1751-8113/42/30/304010 Superconformal Algebras and Mock Theta Functions], 2009
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** Tohru Eguchi and Kazuhiro Hikami, 2009
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* Kawai, Toshiya, Yasuhiko Yamada, and Sung-Kil Yang. 1994. “Elliptic Genera and N = 2 Superconformal Field Theory.” Nuclear Physics B 414 (1–2) (February 14): 191–212. doi:[http://dx.doi.org/10.1016/0550-3213(94)90428-6 10.1016/0550-3213(94)90428-6].
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* N = 2 superconformal minimal models
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* Odake, Satoru. 1990. “c=3d conformal algebra with extended supersymmetry.” Modern Physics Letters A 05 (08) (March 30): 561–580. doi:http://dx.doi.org/10.1142/S0217732390000640.
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* Odake, Satoru. 1990. “Character formulas of an extended superconformal algebra relevant to string compactification” International Journal of Modern Physics A 05 (05) (March 10): 897–914. doi:http://dx.doi.org/10.1142/S0217751X90000428.
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* Eguchi, Tohru, and Anne Taormina. 1987. “Unitary Representations of the N=4 Superconformal Algebra.” Physics Letters B 196 (1) (September 24): 75–81. doi:[http://dx.doi.org/10.1016/0370-2693(87)91679-0 10.1016/0370-2693(87)91679-0].
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* Eguchi, Tohru, Hirosi Ooguri, Anne Taormina, and Sung-Kil Yang. 1989. “Superconformal Algebras and String Compactification on Manifolds with SU(n) Holonomy.” Nuclear Physics B 315 (1) (March 13): 193–221. doi:[http://dx.doi.org/10.1016/0550-3213(89)90454-9 10.1016/0550-3213(89)90454-9].
 
* Yutaka Matsuo [http://ptp.ipap.jp/link?PTP/77/793/ Character Formula of C<1 Unitary representation of N=2 Superconformal Algebra] , Prog. Theor. Phys. Vol. 77 No. 4 (1987) pp. 793-797
 
* Yutaka Matsuo [http://ptp.ipap.jp/link?PTP/77/793/ Character Formula of C<1 Unitary representation of N=2 Superconformal Algebra] , Prog. Theor. Phys. Vol. 77 No. 4 (1987) pp. 793-797
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[[분류:migrate]]
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==메타데이터==
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===위키데이터===
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* ID :  [https://www.wikidata.org/wiki/Q6956294 Q6956294]
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===Spacy 패턴 목록===
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* [{'LOWER': 'n'}, {'LOWER': '='}, {'LOWER': '2'}, {'LOWER': 'superconformal'}, {'LEMMA': 'algebra'}]

2021년 2월 17일 (수) 03:14 기준 최신판

introduction

\(\mathcal{N}=4\) superconformal algebra

generators and relations

\[[L_m,L_n]=(m-n)L_{m+n}+\frac{c}{12}(m^3-m)\delta_{m+n}\]

\[[J_m^i,J_n^j]=\epsilon_{ijk}J_{m+n}^k+\delta_{m+n}\delta^{i,j}\frac{c}{3},\quad i,j,k\in \{1,2,3\},\quad m,n\in \mathbb{Z}\] \[[L_m,J_n^i]=-nJ_{m+n}^i,\quad m,n\in \mathbb{Z}\]

  • fermionic operators

\[ G_r^a,\overline{G}_s^b,\quad a,b\in \{1,2\} \]

\(c=6k\) with \(k=1\) case

  • non-BPS characters \[h>k/4,\ell=1/2\]

\[ \operatorname{ch}^{\tilde R}_{h=1/4+n,\ell=0}=q^{h-3/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}=q^{n-1/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3} \]

  • BPS characters \[h=1/4,\ell=0,1/2\]

\[ \operatorname{ch}^{\tilde R}_{h=1/4,\ell=0}=\frac{[\theta_{11}(z;\tau)]^2}{\eta^3}\mu(z;\tau)\\ \operatorname{ch}^{\tilde R}_{h=1/4,\ell=1/2}+2\operatorname{ch}^{\tilde R}_{h=1/4,\ell=0}=q^{-1/8}\frac{[\theta_{11}(z;\tau)]^2}{\eta^3} \] where \(\mu(z;\tau)\) is the Appell-Lerch sums which is a holomorphic part of a mock modular form


\(k\geq 2\) case

  • this is related to Umbral moonshine and elliptic genus of hyperKahler manifolds of complex dimension \(2k\)




history



related items


encyclopedia


articles

메타데이터

위키데이터

Spacy 패턴 목록

  • [{'LOWER': 'n'}, {'LOWER': '='}, {'LOWER': '2'}, {'LOWER': 'superconformal'}, {'LEMMA': 'algebra'}]
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