Energy and expectation values of the PsH system

Details Energy and expectation values of the PsH system Energy and expectation values of the PsH system

2006-03-14

arxiv.org/abs/physics/0603109v1

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.73.054502

Close to converged energies and expectation values for PsH are computed using
a ground state wave function consisting of 1800 explicitly correlated
gaussians. The best estimate of the PsH$^{\infty}$ energy was -0.789196740
hartree which is the lowest variational energy to date. The 2$\gamma$
annihilation rate for PsH$^{\infty}$ was $2.47178\times 10^{9}$ s$^{-1}$.

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