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Teoria de Perturbações Invariantes de Calibre em ... - CBPFIndex

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setor escalar 4 , gerada por<br />

∫<br />

F 2 = aP˜<br />

a +<br />

− (1+3λ)√ (λ+1)P T<br />

2 √ λ √ V<br />

+ (1+3λ)(λ+1)P T<br />

2l 2 P ˜ a λ<br />

cuja forma explícita será<br />

{<br />

d 3 xψπ˜<br />

ψ + v˜π+ 2a3 Vγ 2<br />

1<br />

3l 4 P ˜ ψψ i i+<br />

a<br />

[ 6<br />

√<br />

V[(λ+1)PT ] 3 2<br />

l 2 ˜ P a<br />

2 √ λ<br />

] [<br />

a 1 2 (1−3λ) γ 2 1 vψ+ − 6V[(λ+1)P T ] 2<br />

l 4 P ˜ a 3(1−2λ)<br />

3<br />

aλ ] }<br />

a 2−3λ γ 2 1 ψ<br />

2<br />

a 3 2 (1−3λ)<br />

(5.13)<br />

a=ã<br />

{1+ 12√ V[(λ+1)P T ] 2<br />

3 ∫<br />

l 2 ˜P √ ã 1 3 2 (1−9λ) d 3 xγ 2 1 v ˜ψ+<br />

[− 18V[(λ+1)P T ] 2<br />

a λ l 4 ˜P 4 ã 2−6λ<br />

aλ<br />

+ (1+3λ)(λ+1)P ]∫ ∫<br />

T<br />

2l 2 ˜P 2 ã 1−3λ d 3 xγ 2 1 ψ 2 + 2ã2 V<br />

}<br />

aλ<br />

3l 4 ˜P 2 d 3 xγ 2 1 ˜ψ ˜ψ i i<br />

a<br />

[ √<br />

9(1−3λ) V[(λ+1)PT ] 2<br />

3<br />

P a = ˜P a +<br />

l 2 ˜P √ ã 2 2 1 (1−9λ) − (1−9λ2 ) √ (λ+1)P<br />

]∫<br />

T<br />

a λ<br />

4 √ λ √ ã − 2 1 (1+3λ)<br />

V<br />

+<br />

[− 18V(1−2λ)[(λ+1)P T ] 2<br />

l 4 ˜P 3 ã 2−6λ + (2+3λ−9λ2 )(λ+1)P<br />

]∫<br />

T<br />

aλ<br />

2l 2 ˜P ã 1−3λ d 3 xγ 2 1 ˜ψ 2<br />

a λ<br />

∫<br />

+ 2ã2 V<br />

l 4 ˜P d 3 xγ 2 1 ˜ψ ˜ψ i i<br />

a<br />

d 3 xγ 1 2 ṽ ˜ψ<br />

[ √<br />

6 V[(λ+1)PT ] 2<br />

3<br />

π= ˜π+<br />

l 2 ˜P 2 a<br />

[ √<br />

6 V[(λ+1)PT ] 2<br />

3<br />

π ψ = π˜<br />

ψ +<br />

l 2 ˜P 2 a<br />

+<br />

[− 12V[(λ+1)P T ] 2<br />

l 4 ˜P 3 aλ<br />

+ 4ã3 V<br />

3l 4 ˜P a<br />

γ 1 2 ˜ψ i i.<br />

√<br />

λ<br />

ã 3 2 (1−3λ) − (1+3λ)√ (λ+1)P T<br />

2 √ λ √ V<br />

√<br />

λ<br />

ã 3 2 (1−3λ) − (1+3λ)√ (λ+1)P T<br />

2 √ λ √ V<br />

ã 3(1−2λ) + (1+3λ)(λ+1)P T<br />

l 2 ˜P a λ<br />

E agora t<strong>em</strong>os para os vínculos <strong>de</strong> primeira classe<br />

P N ≈ 0<br />

P µ ≈ 0<br />

π φ ≈ 0<br />

ã 2−3λ ]γ 1 2 ˜ψ<br />

ã 1 2 (1−3λ) ]γ 1 2 ˜ψ<br />

ã 1 2 (1−3λ) ]γ 1 2 ṽ<br />

e po<strong>de</strong>mos re<strong>de</strong>finirφ 6 como<br />

φ 6 = l2 P a<br />

2a 2 V π ψ≈ 0<br />

φ 6 =π ψ<br />

4 Na realida<strong>de</strong> essa transformação faz mais do que isso, como ver<strong>em</strong>os ao quantizar a teoria.<br />

78

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