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- Fermi wavelength of a tight binding system
I am trying to figure out what the Fermi wavelength of my system is. Specifically I am looking at simulation a graphene lattice in the tight binding model. For this, I know that the Fermi energy (undoped) of my system is 3t (for simplicity I set t = 1). But how do I figure out what the Fermi wavelength is for the purpose of what my system can accuratly simulate in length (in units of lattice spacing)?
Also, if I dope my system, how does that interact with the Fermi energy?
Also, if I dope my system, how does that interact with the Fermi energy?