The University of Southampton

SHEP Friday Seminar - Dorota Grabowska - Gauge Theories, Constrained Hamiltonians and Digital Quantum Computers - Event

Date:
19th of May, 2023  @  13:00 - 14:15
Venue:
Room 46/5081 and Microsoft Teams

Event details

Constrained Hamiltonians are ubiquitous in fundamental physics, as any gauge theory – general relativity,
electromagnetism, Yang–Mills, string theory – all result in such Hamiltonians. Unfortunately, implementing these Hamiltonians on digital quantum computers poses a number of difficulties, both theoretical and practical. In this talk, I will discuss our recent work on implementing 2+1 dimensional U(1) gauge theories onto quantum hardware. While this theory is not phenomenologically relevant to Standard Model physics, it is a fantastic toy model for non-Abelian gauge theories in higher dimensions. In particular, I will discuss the ways this theory demonstrates the many pitfalls of carrying out simulations of gauge theories in a resource-efficient manner.
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