183 citations · 308 across the 7 of their papers we have counts for
7 papers
Scattering Theory of Photon-Assisted Electron Transport
Morten Holm Pedersen, Markus Buttiker
The scattering matrix approach to phase-coherent transport is generalized to nonlinear ac-transport. In photon-assisted electron transport it is often only the dc-component of the…
Charge Fluctuations in Quantum Point Contacts and Chaotic Cavities in the Presence of Transport
M. H. Pedersen, S. A. van Langen, M. Buttiker
We analyze the frequency-dependent current fluctuations induced into a gate near a quantum point contact or a quantum chaotic cavity. We use a current and charge conserving, effect…
Superconducting properties of the attractive Hubbard model
M. H. Pedersen, J. J. Rodriguez-Nunez, H. Beck +2
A self-consistent set of equations for the one-electron self-energy in the ladder approximation is derived for the attractive Hubbard model in the superconducting state. The equati…
Condensation of Hard-Core Pairs on a Lattice: A Model of the Superconducting State in Cuprates
Morten Holm Pedersen, Toni Schneider
Using the Monte Carlo technique we study the dependence of transition temperature, penetration depth and specific heat singularity on the pair concentration in the Bose Hubbard mod…
Pair fluctuation effects above
J. J. Rodríguez-Núñez, S. Schafroth, R. Micnas +3
We explore the occurrence of pairing effects above in the 2D attractive Hubbard model. The presence of pairs above goes beyond the BCS approximation, in whi…
Evidence for a Pseudogap Above the Critical Temperature in the Attractive Hubbard Model
J. J. Rodríguez-Núñez, S. Schafroth, R. Micnas +3
We explore the effect of fluctuations for in the 2-D negative Hubbard model within the framework of the selfconsistent T-matrix formalism, which goes beyond the BCS ap…