Simulating conformal field theories

QuICS Seminar

Speaker: 
Tobias Osborne (Leibniz Universität Hannover)
Time: 
Wednesday, December 1, 2021 - 11:00am
Location: 
Virtual Via Zoom: https://umd.zoom.us/j/9893676372?pwd=VVNOd2xNZ3FCblk4aFdTMjkzTllvQT09 (ID: 9893676372, passcode: abc123)

What does it mean to simulate a quantum field theory? This is a challenging question because a majority of the quantum field theories relevant to fundamental physics lack a fully rigourous mathematical definition. Thus it is impossible in general to compare the predictions of discretised theories with their continuum counterparts. I will discuss these challenges and advocate the use of the recently introduced operator algebraic renormalization (OAR) as a means to provide both classical and quantum simulations of quantum field theories, in particular, conformal theories. The OAR naturally provides a direct mechanism to compare predictions from a cutoff lattice with a target continuum theory.