Accession Number : ADA260184


Title :   Low Temperature Transport Through a Quantum Dot: the Anderson Model Out of Equilibrium


Descriptive Note : Technical rept. 1 Jan-31 Dec 1992


Corporate Author : CALIFORNIA UNIV SANTA BARBARA DEPT OF PHYSICS


Personal Author(s) : Meir, Y ; Wingreen, N ; Lee, P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a260184.pdf


Report Date : Mar 1993


Pagination or Media Count : 21


Abstract : The infinite-U Anderson model is applied to non-equilibrium transport through a quantum dot containing two spin levels weakly coupled to two leads. At low temperatures, the Kondo peak in the equilibrium density of states is split upon the application of a voltage bias. The split peaks, one at the chemical potential of each lead, are suppressed by non-equilibrium dissipation. In a magnetic field, the Kondo peaks shift away from the chemical potentials by the Zeeman energy, leading to an observable peak in the differential conductance when the non-equilibrium bias equals the Zeeman energy. Infinite-U Anderson model, Kondo peak, Zeeman energy, Low-temperature transport through a quantum dot, Kondo effect.


Descriptors :   *LOW TEMPERATURE , *QUANTUM THEORY , *ELECTRON TRANSPORT , DENSITY , ENERGY , VOLTAGE , TRANSPORT , BIAS , ZEEMAN EFFECT , NAVAL RESEARCH , PHYSICS , DISSIPATION , MAGNETIC FIELDS , MODELS , CHEMICALS


Subject Categories : Quantum Theory and Relativity


Distribution Statement : APPROVED FOR PUBLIC RELEASE