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We inspect the mass spectrum of heavy-light mesons in deformed N=2 superYang-Mills theory using the AdS/CFT correspondence. We demonstrate how some ofthe degeneracies of the supersymmetric meson spectrum can be removed uponbreaking the supersymmetry, thus leading to the emergence of hyperfinestructure. The explicit SUSY breaking scenarios we consider involve on one handtilting one of the two fundamental D7 branes inside the internal R^6 space, andon the other hand applying an external magnetic field on the (untilted) branes.The latter scenario leads to the well-known Zeeman effect, which we inspect forboth weak and strong magnetic fields.

Hyperfine Splitting and the Zeeman Effect in Holographic Heavy-Light Mesons