About This Book
Atomic and Molecular Physics is the branch of physics that deals with the study of atoms and molecules,
particularly their structure, behavior, and interactions with energy. It focuses on understanding the
fundamental building blocks of matter at the atomic and molecular level. Atomic physics primarily
explores the properties of atoms, such as the arrangement of electrons in various energy levels and their
interaction with electromagnetic radiation. This field is crucial for explaining phenomena like atomic
spectra, ionization, and atomic transitions. On the other hand, molecular physics extends this study to
molecules, which are composed of two or more atoms bound together. It investigates the bonding
mechanisms between atoms, the energy states of molecules, and their behavior when interacting with
light, heat, or electric and magnetic fields. Molecular physics is vital for understanding chemical
reactions, molecular spectroscopy, and the physical properties of gases, liquids, and solids. Atomic and
molecular physics are fundamental to many applications, including the development of lasers, quantum
computing, and nanotechnology. It also plays a key role in medical imaging, spectroscopy, and the
understanding of chemical processes. Research in this field continues to push the boundaries of our
knowledge, offering potential advancements in technology, energy, and materials science. This book
delves into the fundamental principles of atomic and molecular physics, exploring the structure,
behavior, and interactions of atoms and molecules at the quantum level.
Contents: 1. Introduction, 2. Fundamental Theory of Matter and Atomic Structure, 3. Models of Atomic
Physics, 4. Atomic Spectrum, 5. Atomic Bonding and Geometry of Molecular Structure, 6. Energy Levels
and Electron Transitions in Bohr’s Hydrogen Atom, 7. Physics of Molecular Structures and Interactions,
8. Exploring Atomic Arrangements via Spectroscopic Techniques, 9. Foundational Concepts of Atomic
Emission and Molecular Spectral Behaviour.
