Quantum Vacuum on the Worldline
Quantum Vacuum on the Worldline
Quantum Vacuum on the Worldline
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The <str<strong>on</strong>g>Quantum</str<strong>on</strong>g> <str<strong>on</strong>g>Vacuum</str<strong>on</strong>g><br />
<strong>Worldline</strong> Approach<br />
<strong>Worldline</strong> applicati<strong>on</strong>s<br />
Fermi<strong>on</strong>s <strong>on</strong> <strong>the</strong> worldline I.<br />
⊲ Grassmann loops<br />
Γ 1 <br />
spin = ln det γ µ ∂µ + ieγ µ <br />
Aµ + m<br />
1<br />
= −<br />
2(4π) D/2<br />
∞<br />
1/Λ 2<br />
Generalized Heisenberg-Euler Effective Acti<strong>on</strong>s<br />
Casimir Effect<br />
N<strong>on</strong>perturbative <strong>Worldline</strong> Dynamics<br />
dT<br />
T 1+D/2 e−m2 <br />
T<br />
Lspin = 1<br />
4 ˙x 2 + ie ˙x µ Aµ+ 1<br />
2 ψµ ˙ψ µ − ieψ µ F µνψ ν<br />
Holger Gies <str<strong>on</strong>g>Quantum</str<strong>on</strong>g> <str<strong>on</strong>g>Vacuum</str<strong>on</strong>g> <strong>on</strong> <strong>the</strong> <strong>Worldline</strong><br />
P<br />
<br />
Dx Dψ e<br />
A<br />
− R T<br />
0 dτLspin