"Version: 20201101"--Title page verso.Includes bibliographical references.1. Preliminaries -- 1.1. On the sizes of atoms -- 1.2. Spectroscopy, the quantum concept, and the Balmer formula -- 1.3. Circular orbit forces and energetics -- 1.4. The radiative collapse problem2. The Bohr model I : hydrogenic atoms -- 2.1. Niels Bohr : early life and paper I of the trilogy -- 2.2. The Bohr model : orbi…
"Version: 20210201"--Title page verso.Includes bibliographical references.1. Introduction -- 2. Two flavors of hydrogen atoms : a possible explanation of dark matter -- 2.1. The mystery and its resolution through a fundamental discovery -- 2.2. An alternative kind of hydrogen atom as a possible explanation of the latest puzzling observation of the 21 cm radio line from the early Universe -- 2.3…
"Version: 20231101"--Title page verso.Includes bibliographical references.1. Introduction and overview -- 1.1. Historical background -- 1.2. Structure of the book2. Characterization of optical fields -- 2.1. Electromagnetic field modes in vacuum -- 2.2. Quantization of electromagnetic field modes -- 2.3. Quantized electromagnetic fields -- 2.4. Quantum distribution functions3. Atom-field intera…