QMC and the 1D electron gas

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• Robert Lee (TCM)
• Wednesday 21 October 2009, 11:00-11:20
• TCM Seminar Room, Cavendish Laboratory.

If you have a question about this talk, please contact Neil Drummond.

I will present recent quantum Monte Carlo (QMC) calculations on the 1D homogeneous electron gas (HEG), spending some time introducing the details of the model and its experimental pertinence. I will also explore several interactions that one may use to model a finite-width wire (the quasi-1D HEG ).

The first system is sufficiently simple that understanding the particulars of the QMC calculations is straightforward, and provides a good opportunity for non-QMC specialists to see an uncomplicated application.

Results that I will show include the energy, pair-correlation function, static structure factor and (perhaps most interestingly) the momentum density.

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This talk is part of the Electronic Structure Discussion Group series.

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