Effects of a parallel magnetic field on the ground-state magnetic properties of a two-dimensional electron gas
buir.contributor.author | Tanatar, Bilal | |
buir.contributor.orcid | Tanatar, Bilal|0000-0002-5246-0119 | |
dc.citation.issueNumber | 15 | en_US |
dc.citation.volumeNumber | 78 | en_US |
dc.contributor.author | Subaşi, A. L. | en_US |
dc.contributor.author | Tanatar, Bilal | en_US |
dc.date.accessioned | 2016-02-08T10:07:31Z | |
dc.date.available | 2016-02-08T10:07:31Z | |
dc.date.issued | 2008 | en_US |
dc.department | Department of Physics | en_US |
dc.description.abstract | We study the magnetic behavior and in particular the spin magnetization of an interacting two-dimensional electron gas in an in-plane magnetic field. The ground-state energy of the system is constructed using the correlation energy based on the recent quantum Monte Carlo (QMC) simulations as a function of density, spin polarization, and applied magnetic field. The critical magnetic field to fully spin polarize the system is obtained as a function of the electron density. The spin polarization as a function of the applied field (less than the critical field) for various densities is calculated. When the QMC parametrization is employed, we find that the two-dimensional electron system undergoes a first-order phase transition to a ferromagnetic state in the regions 0< rs <7 and 20< rs <25, where rs is the usual density parameter. For 7< rs <20 our calculations indicate a second-order transition unlike approximate theories. | en_US |
dc.identifier.doi | 10.1103/PhysRevB.78.155304 | en_US |
dc.identifier.issn | 1098-0121 | |
dc.identifier.uri | http://hdl.handle.net/11693/22991 | |
dc.language.iso | English | en_US |
dc.publisher | The American Physical Society | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1103/PhysRevB.78.155304 | en_US |
dc.source.title | Physical Review B - Condensed Matter and Materials Physics | en_US |
dc.title | Effects of a parallel magnetic field on the ground-state magnetic properties of a two-dimensional electron gas | en_US |
dc.type | Article | en_US |
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