2–8 Nov 2025
TIFR Mumbai
Asia/Kolkata timezone

Quantum computation of Quantum Electrodynamics in higher than one spatial dimension

3 Nov 2025, 15:50
20m
AG80

AG80

Speaker

Bipasha Chakraborty (University of Southampton)

Description

We present a qubit-based approach for simulating Quantum Electrodynamics (QED), extending the well-established quantum algorithm for scalar field theory to gauge fields. Our method ensures gauge invariance, which automatically enforces Gauss’s law, and is formulated in the lattice framework akin to Wilson or Kogut-Susskind theory. The qubit representation is designed to align with finite Weyl commutation relations, allowing straightforward extension to large representation dimension N, which recovers compact QED in the infinite-N limit. We also study error mitigation strategies; explicit implementations in both 3+1 and 2+1 dimensions have been tested on IBM quantum devices.

Parallel Session (for talks only) Quantum computing and quantum information

Authors

Bipasha Chakraborty (University of Southampton) Dr Zong-Gang Mou (University of Southampton)

Presentation materials

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