The Fermion Sign Problem : Some New Solutions

by Prof. Shailesh Chandrasekharan (Duke University, USA)

Tuesday 5 Jun 2012, 16:00 → 17:00 Asia/Kolkata

AG69 (Colaba Campus)

Monte Carlo methods for quantum field theories containing fermions are known to be notoriously difficult. The outstanding obstacle is the "Sign Problem" which encodes the inherent quantum nature of fermions. Many interesting quantum field theories have remained unsolved due to these sign problems. New ideas to tackle sign problems have emerged recently. I will review the progress made in recent years and discuss new solutions to "some" outstanding sign problems in Four-fermion and Yukawa models.