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Boundary conditions in the Dirac approach to graphene devices
Boundary conditions Dirac approach graphene devices
2010/12/27
We study a family of local boundary conditions for the Dirac problem corresponding to the continuum limit of graphene, both for nanoribbons and nanodots. We show that, among the members of such family...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals shifted boundary conditions
2010/12/27
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related...