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Recent Results of Stochastic Quantisation
 

Summary: Recent Results of
Stochastic Quantisation
Dénes Sexty
Darmstadt University of Technology
March 04, 2009, Trento
Complex Langevin method and real time evolution
Results for a scalar oscillator, SU(2) gauge theory
Connection with Schwinger Dyson equations
Optimization methods: reweighting, gauge fixing
Motivations
Real-time evolution
At all diagrams become large
High occupation numbers
preventing perturbative treatment
On the lattice: mainly equilibrium methods so far, static quantities
with few exceptions
n=O1/
Late times approaching thermal equilibrium:
Classical approximation breaks down
Direct Method: Schödinger equation for the wave function: [ A

  

Source: Aarts, Gert - Department of Physics, University of Wales Swansea

 

Collections: Physics