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The “Resonances Via Padé” (RVP) Method

Ralf-Arno Tripolt (ECT*, Villazzano (TN))

28 febbraio @ 13:30 - 16:00

The RVP method in principle allows to obtain the analytic continuation of a function that is only given in numerical form. It only requires real input in order to reconstruct the underlying function not only along the real axis but also in the complex plane. It is applied to experimental data in order to locate complex resonance poles as well as decay thresholds. Moreover, it is applied to numerical data on Euclidean (imaginary-time) data in order to obtain the real-time propagator and the corresponding spectral function. This procedure in principle represents an alternative to techniques like the Maximum Entropy Method (MEM) and to inverting the associated Laplace transform. (


28 febbraio
13:30 - 16:00
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Aula B-1