186 citations · 976 across the 35 of their papers we have counts for
5 papers · 1 filter
Composite quasiparticle formation and the low-energy effective Hamiltonians of the one- and two-dimensional Hubbard Model
Junwu Gan, Dung-Hai Lee, Per Hedegard
We investigate the effect of hole doping on the strong-coupling Hubbard model at half-filling in spatial dimensions . We start with an antiferromagnetic mean-field descript…
Two-dimensional electron transport in the presence of magnetic flux vortices
Mads Nielsen, Per Hedegaard
We have considered the conductivity properties of a two dimensional electron gas (2DEG) in two different kinds of inhomogeneous magnetic fields, i.e. a disordered distribution of m…
Two dimensional electron transport in disordered and ordered distributions of magnetic flux vortices
Mads Nielsen, Per Hedegård
We have considered the conductivity properties of a two dimensional electron gas (2DEG) in two different kinds of inhomogeneous magnetic fields, i.e.\ a disordered distribution of…
Theory of the Eigler-swith
Mads Brandbyge, Per Hedegård
We suggest a simple model to describe the reversible field-induced transfer of a single Xe-atom in a scanning tunneling microscope, --- the Eigler-switch. The inelasticly tunneling…
Classical theory of the Hall-effect in an inhomogeneous magnetic field
Kasper Juel Eriksen, Per Hedegård
Inspired by recent experiments by Geim et al. we discuss the classical theory of the Hall effect of a 2 dimensional electron gas in an inhomogeneous magnetic field. The field modul…