The static response and the local-field factor of the 2-D electron fluid

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dc.creatorDharma-wardana, M. W. C.
dc.creatorPerrot, François
dc.date2002-11-07
dc.date2002-11-11
dc.date.accessioned2026-07-07T02:48:06Z
dc.date.available2026-07-07T02:48:06Z
dc.descriptionThe static local-field factor (LFF) of the interacting 2-D fluid is calculated nonperturbatively using a mapping of the quantum fluid to a classical Coulomb fluid [Phys. Rev. Let., {\bf 87}, 206 (2002)]. The LFF for the paramagnetic fluid DIFFERS MARKEDLY from expectations from standard perturbation theory. Our result for the LFF has a maximum close to 3$k_F$, while perturbation methods yield a maximum near 2$k_F$. The available quantum Monte Carlo data seem to agree with our results.These findings imply that many effects, e.g., Friedel oscillations, Kohn anomalies, effective electron-electron interactions, etc., are affected by the strong correlations among anti-parallel spins in 2D.
dc.descriptionsee http://nrcphy1.phy.nrc.ca/ims/qp/chandre/chnc replacement has comparisons with QMC data
dc.identifierhttps://arxiv.org/abs/cond-mat/0211127
dc.identifierhttp://arxiv.org/abs/cond-mat/0211127
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20268
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStatistical Mechanics
dc.titleThe static response and the local-field factor of the 2-D electron fluid
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