activity
19932018
most citedPositronium S state spectrum: analytic results at O(m alpha^6)

119 citations · 812 across the 25 of their papers we have counts for

collaborators

25 papers

physics.flu-dyn2018★ 2 cited

Finite volume solution for two-phase flow in a straight capillary

Alexander Yelkhovsky, W. Val Pinczewski

The problem of two-phase flow in straight capillaries of polygonal cross section displays many of the dynamic characteristics of rapid interfacial motions associated with pore-scal…

hep-ph2001★ 4 cited

Recoil correction to the magnetic moment of a bound electron

Alexander Yelkhovsky

The effect of a finite nuclear mass on the magnetic moment of the electron bound in the ground state of a hydrogen-like ion is analyzed. Using the exact in Zαexpression for the rec…

physics.atom-ph2001★ 54 cited

Ionization Potential of the Helium Atom

Vladimir Korobov, Alexander Yelkhovsky

Ground state ionization potential of the He^4 atom is evaluated to be 5 945 204 221 (42) MHz. Along with lower order contributions, this result includes all effects of the relative…

hep-ph2001★ 47 cited

Quantum Electrodynamics of the Helium Atom

Alexander Yelkhovsky

Using singlet S states of the helium atom as an example, I describe precise calculation of energy levels in few-electron atoms. In particular, a complete set of effective operators…

hep-ph2000★ 68 cited

O(alpha^3 ln alpha) corrections to muonium and positronium hyperfine splitting

Kirill Melnikov, Alexander Yelkhovsky

We compute O(alpha^3 ln alpha) relative corrections to the ground state hyperfine splitting of a QED two body bound state with different masses of constituents. The general result…

hep-ph2000★ 37 cited

O(alpha^3 ln alpha) corrections to positronium decay rates

Kirill Melnikov, Alexander Yelkhovsky

We compute O(alpha^3 ln alpha) corrections to the decay rates of para- and orthopositronium into two and three photons, respectively. For this calculation we employ the nonrelativi…