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Binding energies of excitonic complexes in type-II quantum rings from diffusion quantum Monte Carlo calculations
David Thomas, Ryan Hunt, Neil Drummond +1
Excitonic complexes in type-II quantum-ring heterostructures may be considered as artificial atoms due to the confinement of only one charge-carrier type in an artificial nucleus.…
Quantum Monte Carlo calculations of energy gaps from first principles
Ryan J. Hunt, Marcin Szyniszewski, Genki I. Prayogo +2
We review the use of continuum quantum Monte Carlo (QMC) methods for the calculation of energy gaps from first principles, and present a broad set of excited-state calculations car…
One-dimensional electron fluid at high density
Vinod Ashokan, N. D. Drummond, K. N. Pathak
We calculate the ground-state energy, pair correlation function, static structure factor, and momentum density of the one-dimensional electron fluid at high density using variation…