= Ju-Hyung Kang
{c}
<Ju-Hyung Kang> coauthored the study connecting <indium tin oxide>'s electronic-band shape with its optical response. The laboratory alumni record lists Juhyung Kang as a former research associate, alongside the corresponding Stanford email identity.https://brongersma.stanford.edu/alumni/[Juhyung Kang entry]{ref}<Quantification and impact of nonparabolicity of the conduction band of indium tin oxide on its plasmonic properties by Xiaoge Liu and others>[published byline]{ref}
One way to understand the combined measurements is to compare the <Drude model>'s mobility and optical-frequency relations. With a characteristic <momentum relaxation time> $\tau$, <electron mobility> obeys $\mu=e\tau/m^*$, while $\omega_p^2=ne^2/(\varepsilon_0m^*)$. A change in mobility alone cannot distinguish a change in scattering time from a change in <effective mass>. An independent <carrier density> measurement and optical response impose additional constraints. Together, these probes constrain several material parameters that a single measurement leaves entangled.
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