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Correlation Energy and Spin Polarization in the 2D Electron Gas
Open accessAbstract
The ground-state energy of the two-dimensional uniform electron gas has been calculated with a fixed-node diffusion Monte Carlo method, including backflow correlations, for a wide range of electron densities as a function of spin polarization. We give a simple analytic representation of the correlation energy which fits our simulation data and includes several known high- and low-density limits. This parametrization provides a reliable local spin density energy functional for two-dimensional systems and an estimate for the spin susceptibility. Within the proposed model for the correlation energy, a weakly first-order polarization transition occurs shortly before Wigner crystallization as the density is lowered.
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Cites
Electronic properties of two-dimensional systems
Ando, T., Fowler, A. B., & Stern, F. (1982) · Reviews of Modern Physics · doi:10.1103/revmodphys.54.437 · Cited by 7,455
Cited by
Encoding Electronic Spectra in Quantum Circuits with Linear T Complexity
Babbush, R., Gidney, C., Berry, D. W., Wiebe, N., McClean, J., Paler, A., Fowler, A., & Neven, H. (2018) · Physical Review X · doi:10.1103/physrevx.8.041015 · Cited by 383
Low-Depth Quantum Simulation of Materials
Babbush, R., Wiebe, N., McClean, J., McClain, J., Neven, H., & Chan, G. K.-L. (2018) · Physical Review X · doi:10.1103/physrevx.8.011044 · Cited by 335
Metadata
- Authors
- Attaccalite, C., Moroni, S., Gori-Giorgi, P., & Bachelet, G. B.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2002-06-05
- Volume
- 88
- Issue
- 25
- Pages
- 256601-256601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2024230235
- Cited by
- 440
- References
- 1
- FWCI
- 18.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Attaccalite, C., Moroni, S., Gori-Giorgi, P., & Bachelet, G. B. (2002). Correlation Energy and Spin Polarization in the 2D Electron Gas. Physical Review Letters. https://doi.org/10.1103/physrevlett.88.256601
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