Research in the Gweon Group
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| <<fl(T)>>he density of states is a basic quantity that students learn. | <<fl(T)>>he density of states is a basic quantity that students learn, when they learn how to describe free electrons in a solid. As the name suggests, it says how many electrons the material can accomodate at a certain energy value. In a strongly correlated electron system such as high temperature superconductors, the equivalent quantity is the ''many body'' density of states, $\int d\vec k A(\vec k, \omega)$, where $A$ is the single particle spectral function, measured by ARPES. === Links === * <<ln("http://arxiv.org/abs/1310.4668", "The manuscript")>> * [[sECFL|Simple ECFL]] * [[pECFL|Phenomenological ECFL]] |
Anomalous nodal many body density of states
The density of states is a basic quantity that students learn, when they learn how to describe free electrons in a solid. As the name suggests, it says how many electrons the material can accomodate at a certain energy value.
In a strongly correlated electron system such as high temperature superconductors, the equivalent quantity is the many body density of states, $\int d\vec k A(\vec k, \omega)$, where $A$ is the single particle spectral function, measured by ARPES.