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 />
Universal tool: effective acti<strong>on</strong> Γ.<br />
Remember . . .<br />
Γ[A] = <br />
λ<br />
<br />
ln λ 2 + m 2<br />
Problem solved, “in principle”<br />
Effective Acti<strong>on</strong> from <strong>Worldline</strong> Techniques<br />
<strong>Worldline</strong> numerics<br />
find spectrum λ for a given background A<br />
sum over spectrum<br />
=<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>
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