Exact first-order effect of interactions on the ground-state energy of harmonically-confined fermions
We consider a system of $N$ spinless fermions, interacting with each other via a power-law interaction $\epsilon/r^n$, and trapped in an external harmonic potential $V(r) = r^2/2$, in $d=1,2,3$ dimensions. For any $0 < n < d+2$, we obtain the ground-state energy $E_N$ of the system perturbatively in...
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| Formatua: | Artigo |
| Hizkuntza: | Inglês |
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SciPost
2024-08-01
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| Saila: | SciPost Physics |
| Sarrera elektronikoa: | https://scipost.org/SciPostPhys.17.2.038 |
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