Walking Dynamics Guaranteed
Jarno Rantaharju, Claudio Pica, Francesco Sannino

TL;DR
This paper provides evidence for a continuous transition in a four-dimensional gauge-fermion model, indicating potential for walking dynamics, which is significant for understanding strongly coupled gauge theories.
Contribution
It demonstrates a continuous transition from conformal to chirally broken phase in a specific gauge-fermion model with four-fermion interactions, highlighting the conditions for walking behavior.
Findings
Transition is continuous, not abrupt.
Infrared conformality is lost at strong coupling.
Supports the existence of walking dynamics in the model.
Abstract
We report evidence for a continuous transition from an infrared conformal phase to a chirally broken one in four dimensions. We study a model with two Dirac fermions in the adjoint representation of an SU(2) gauge interaction and a chirally symmetric four-fermion interaction. At large four-fermion coupling, the model goes through a transition into a chirally broken phase and infrared conformality is lost. We show strong evidence that this transition is continuous, which would guarantee walking dynamics within the scaling region in the chirally broken phase.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Cold Atom Physics and Bose-Einstein Condensates · Quantum, superfluid, helium dynamics
