Fermi point in graphene as a monopole in momentum space

Details Fermi point in graphene as a monopole in momentum space Fermi point in graphene as a monopole in momentum space

2011-12-12

arxiv.org/abs/1112.2474v2

Pis'ma v ZhETF,vol 95, iss 3, pp.168 - 174 (2012)

Physics

High Energy Physics

High Energy Physics - Lattice

Latex, 12 pages

Scientific paper

We consider the effective field theory of graphene monolayer with the Coulomb
interaction between fermions taken into account. The gauge field in momentum
space is introduced. The position of the Fermi point coincides with the
position of the corresponding monopole. The procedure of extracting such
monopoles during lattice simulations is suggested.

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