An exactly solvable model for the Fermi contact interaction

1979/01/01 by S. M. Blinder · 1 voice
Earth and Planetary Sciences · Physics and Astronomy · #High-pressure geophysics and materials #Quantum chaos and dynamical systems #Quantum, superfluid, helium dynamics

paper · doi:10.1007/bf00548828

crossref issued 1979/01/01 · crossref published 1979/01/01 · crossref published-print 1979/01/01 · openalex publication_date 1979/01/01 · crossref created 2004/11/19 · crossref deposited 2019/04/04 · crossref indexed 2022/11/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Citations

• The hydrogen atom in the presence of the Fermi-contact interaction
• Modified delta-function potential for hyperfine interactions

Discussions

• There are two main questions here: a technical question about the "exact" eigenvalues of the Hamiltonian $$ H=-\frac{1}{2m}\sum_{i=1}^D\frac{\partial^2}{\partial x_i^2}+U(\vec{r})+\lambda\delta(\vec{r [stackexchange, 5 points]