2–8 Nov 2025
TIFR Mumbai
Asia/Kolkata timezone

Lattice study of RG flow in 2D phi4 theory

4 Nov 2025, 18:00
1h 30m
HBA Foyer

HBA Foyer

Speaker

Shashank Sharma (Institute of technology in Kanpur)

Description

In two dimensions, the phi4 theory exhibits a non-trivial infrared fixed
point that governs the continuum limit and connects to the Ising universality class. I will present the investigation of RG flow of 2D phi4 theory using gradient flow techniques, with smooth lattice configurations and allow for a non-perturbative definition of scale-dependent observables. By tracking the evolution of operators under gradient flow, signatures of the the non-trivial fixed point can be identified.

Parallel Session (for talks only) Algorithms and artificial intelligence

Author

Shashank Sharma (Institute of technology in Kanpur)

Presentation materials

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