English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

The energy eigenvalue problem of non-relativistic positronium is consideredwithin the framework of Relativistic Schroedinger Theory (RST), and the resultsare compared to those of the conventional quantum theory. For the range ofprinci- pal quantum numbers n = 2;3;::: ;30, the RST predictions for thenon-relativistic positronium energies deviate now from the correspondingpredictions of the conven- tional quantum theory at an average of (roughly) 3%.These results suggest that the deviations will be further diminished in thehigher orders of approximation.

Spherically Symmetric Approximation (and beyond) in Relativistic Schroedinger Theory