2-ELECTRON STATE IN A DISORDERED 2D ISLAND - PAIRING CAUSED BY THE COULOMB REPULSION

Authors
RAIKH ME GLAZMAN LI ZHUKOV LE
Citation
Me. Raikh et al., 2-ELECTRON STATE IN A DISORDERED 2D ISLAND - PAIRING CAUSED BY THE COULOMB REPULSION, Physical review letters, 77(7), 1996, pp. 1354-1357
Citations number
11
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
77
Issue
7
Year of publication
1996
Pages
1354 - 1357
Database
ISI
SICI code
0031-9007(1996)77:7<1354:2SIAD2>2.0.ZU;2-A
Abstract
We show the existence of bound two-electron states in an almost deplet ed two-dimensional island. These two-electron states are carried by sp ecial compact configurations of four single-electron levels. The exist ence of these states does not require phonon mediation, and is facilit ated by the disorder-induced potential relief and by the electron-elec tron repulsion only. The density of two-electron states is estimated a nd their evolution with the magnetic field is discussed.