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Using first-principles calculations we investigate the intrinsic origins ofthe anomalous Hall effect (AHE) and the anomalous Nernst effect (ANE) inantiperovskite ferrimagnet Mn4N. We predict that the AHE is significantlyenhanced under both compressive and tensile strain, however, the ANE generallydecreases under epitaxial strain, except for 1% compressive strain. We connectthis behavior to the evolution of the Berry curvature with strain, suggestingsimilar strategies for achieving large AHE and ANE changes with modest amountsof strain. Finally, we find that the non-monotonic characteristics of the AHEand ANE stem from the formation and movement of new Weyl points at theperiphery of the Brillouin Zone under compressive and tensile strains.

Intrinsic Origin and Enhancement of Topological Responses in Ferrimagnetic Antiperovskite Mn4N