In a minimal non-reciprocal graphene model, quantum capacitance scales as (1 - β²)^{-1} near the exceptional point, offering an equilibrium thermodynamic signature of non-Hermiticity.
Ezawa, Experimental observation of non-hermitian higher-order skin interface states in topological electric circuits, Phys
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Thermodynamic signatures of non-Hermiticity in Dirac materials via quantum capacitance
In a minimal non-reciprocal graphene model, quantum capacitance scales as (1 - β²)^{-1} near the exceptional point, offering an equilibrium thermodynamic signature of non-Hermiticity.