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String Theory Demystified

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288 <strong>String</strong> <strong>Theory</strong> Demystifi ed<br />

µν T µ ν ν µ µ ν<br />

3. Jα<br />

= ( X ∂αX −X ∂ α X + iψ<br />

ραψ )<br />

2<br />

4. 0<br />

α ⎛ β<br />

µ 1 β λ<br />

µ ⎞<br />

5. δL =∂ ε ∂ ∂ X − δ ∂ X ∂ X<br />

B β ⎝<br />

⎜ X µ β<br />

α µ λ ⎠<br />

⎟<br />

2<br />

6. 0<br />

7. 0<br />

8. 0<br />

9. 1<br />

10. Massless vector boson, spin-3/2 fermion<br />

Chapter 8<br />

1.<br />

α′ 25 α′<br />

( ) + = ( ) +<br />

4 4<br />

2 25 2<br />

p N p N<br />

R R L L<br />

Chapter 9<br />

∂θ<br />

A<br />

α<br />

1. Use ⎡⎣ εQ, θA⎤⎦ = εB<br />

+ i⎡ε<br />

ρ θ θ<br />

B B BC C, A<br />

∂θ<br />

⎣ ⎤⎦ ∂<br />

2. 0<br />

3. Γ µ<br />

4. 0<br />

Chapter 10<br />

1. c<br />

2. b<br />

3. a<br />

4. c<br />

5. b<br />

6. d<br />

α

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