Exact Results for 't Hooft Loops in Gauge Theories ... - Solvay Institutes
Exact Results for 't Hooft Loops in Gauge Theories ... - Solvay Institutes
Exact Results for 't Hooft Loops in Gauge Theories ... - Solvay Institutes
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Introduction Problem Def<strong>in</strong>itions Method Solution Result<br />
Method: Localization Pr<strong>in</strong>ciple<br />
Localize the path <strong>in</strong>tegral:<br />
∫<br />
Z 0 = [Dφ] e −S 0[φ]<br />
S 0 – the physical action<br />
Q – global fermionic symmetry, QS 0 = 0<br />
Q 2 = R – global bosonic symmetry<br />
De<strong>for</strong>m the action<br />
assum<strong>in</strong>g {Q 2 , V } = 0<br />
S t [φ] = S 0 [φ] + t{Q, V }<br />
Vasily Pestun Localization <strong>for</strong> ’t <strong>Hooft</strong> operators on S 4 10/35