transparencies
transparencies
transparencies
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Motivation World-Sheet SUSY Lie superalgebras From World-Sheet SUSY to Supertargets Outlook<br />
Principal chiral field deformations<br />
• Principal chiral field<br />
S geom. = − k ∫<br />
∫<br />
d 2 z 〈g −1 ∂g, g −1 ¯∂g〉 ≡<br />
4π<br />
d 2 z Φ principal<br />
• PSU(1, 1|2) deformation of coefficient principal chiral field<br />
to turning on RR-flux in string theory<br />
• Can show this is D-term<br />
• Is G + -exact<br />
Φ principal = −{G + −1/2 , [Ḡ+ −1/2 , φ]}<br />
φ = − 1 ( 0 Id<br />
4πk 〈 Id 0<br />
) (<br />
g −1 0 Id<br />
Id 0<br />
)<br />
Jg¯J〉
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