We present a unified quantum field theory for Dirac magnons coupled to emergent gauge fields. At zero temperature, any space- and time-dependent gauge perturbation drives magnons out of equilibrium, generating spin currents and magnon accumulation without conventional thermal or chemical-potential gradients. For a honeycomb ferromagnet, we derive closed-form expressions for the induced density and current. In the dc limit, the transverse spin conductivity approaches ${\sigma }^{xy}={\alpha }^2\mathrm{sgn}\left(m\right)\hslash /4\pi$, revealing a response governed by a universal topological coefficient of the gapped Dirac spectrum and a coupling-dependent magnitude. In the ac regime, the conductivity exhibits a sharp resonance when the drive frequency matches the topological gap $\mathrm{\Delta }$, signaling interband transitions. Our work establishes a unified gauge-invariant framework for controlling magnon transport and highlights topological signatures in gauge-driven magnon responses.

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• Dirac equation
• Magnons
• Quantum field theory
• Honeycomb lattice
• Topological materials