Disorder effect on the spin susceptibility of the two-dimensional one-valley electron gas

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dc.creatorDe Palo, S
dc.creatorMoroni, S
dc.creatorSenatore, G
dc.date2009-05-16
dc.date.accessioned2026-07-07T13:15:55Z
dc.date.available2026-07-07T13:15:55Z
dc.descriptionStarting from the quantum Monte Carlo (QMC) prediction for the ground-state energy of a clean two-dimensional one-valley (2D1V) electron gas, we estimate the energy correction due to scattering sources present in actual devices such as AlAs quantum wells and GaAs heterostructures. We find that the effect of uncorrelated disorder, in the lowest (second) order in perturbation theory, is to enhance the spin susceptibility leading to its eventual divergence. In the density region where the Born approximation is able to reproduce the experimental mobility, the prediction for the spin susceptibility yielded by perturbation theory is in very good agreement with the available experimental evidence.
dc.description9 pages, 3 figures, special issue article for the SCCS2008 conference (Camerino, Italy)
dc.identifierhttps://arxiv.org/abs/0905.2706
dc.identifierhttp://arxiv.org/abs/0905.2706
dc.identifierJ. Phys. A: Math. Theor. 42 (2009) 214043
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230628
dc.subjectStrongly Correlated Electrons
dc.titleDisorder effect on the spin susceptibility of the two-dimensional one-valley electron gas
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