2 papers
physics.atom-ph2023
Lifetimes of Fine Levels of Li Atom for 20 < n < 31 by Extended Ritz Formula
Muhammad Saeed, Zaheer Uddin
Lithium and lithium-like elements look like hydrogen atoms if their two electrons and the nucleus are considered a core around which a single electron is orbiting. The energy and r…
physics.gen-ph2014
Proofs of Vector Identities Using Tensors
Zaheer Uddin, Intikhab Ulfat
The vector algebra and calculus are frequently used in many branches of Physics, for example, classical mechanics, electromagnetic theory, Astrophysics, Spectroscopy, etc. Importan…