Quantum computing to jet physics

by Dr Wenyang Qian (IGFAE, Spain)

Thursday 7 Dec 2023, 14:00 → 16:00 Europe/Warsaw

4402 (Sala Seminarjygna)

Jets provide one of the primary probes of the quark-gluon plasma produced in ultrarelativistic heavy ion collisions. In this talk, we will explore quantum technologies as a promising alternative theoretical laboratory to simulate jet evolution in QCD matter, to overcome inherent technical difficulties in classical calculations. Based on the light-front Hamiltonian formalism, we construct a digital quantum circuit that tracks the evolution of a multi-particle jet probe in the presence of a medium described as a stochastic color field. From the simulation, we observe and study the momentum broadening, medium-induced gluon emission, von-Neumann entropy of the jet. We will also discuss various ongoing endeavors for a fully quantum description of the jet in a medium, as well as novel applications to study other areas of heavy ion collisions.

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About the speaker :

I am Wenyang Qian originally from Nanjing China. I received my Ph.D. in 2020 under my advisor Professor James Vary at Iowa State University and I am now a postdoc working with Professor Carlos Salgado at Instituto Galego de Fisica de Altas Enerxias (IGFAE) of the University of Santiago de Compostela. My doctoral research focuses on the understanding of hadronic structures using light-front Hamiltonian formalism where I studied meson spectroscopy and observables. With the rapid development of quantum computing technologies I have been working on solving bound-state and time-dependent problems using quantum devices. In particular my recent research focused on the application of the quantum simulation to study jet-medium interactions.