University Physics Volume 3 (OpenStax), Chapters 5–11
by Samuel J. Ling, Jeff Sanny, William Moebs · OpenStax (Rice University)
Free, peer-reviewed calculus-based textbook whose second half is a complete modern physics unit: special relativity, photons and matter waves, introductory quantum mechanics, atomic structure, condensed matter, nuclear physics, and particles and cosmology. Includes worked examples and end-of-chapter problems.
More resources on Modern Physics
Physics for Scientists and Engineers
Calculus-based introductory physics textbook covering mechanics, thermodynamics, waves, electromagnetism, optics, and modern physics. Worked examples and large problem sets build the quantitative problem-solving habits expected in university engineering and physical-science sequences.
The Theoretical Minimum
Home of Leonard Susskind's Stanford continuing-education lecture series, with free video courses on classical mechanics, quantum mechanics, special and general relativity, cosmology, and statistical mechanics. Viewers build the minimum mathematical grounding needed to follow modern theoretical physics.
Quantum Mechanics
Learn quantum mechanics from Leonard Susskind's renowned lectures. Explore the fundamentals of modern physics in this comprehensive course.
Einstein, Oppenheimer, Feynman: Physics in the 20th Century (MIT STS.042J)
History of modern physics and physicists, from relativity and quantum mechanics to high-energy physics and cosmology, set in Imperial Britain, Nazi Germany, wartime America and the Cold War. 26 lecture videos, slides, readings and podcasts show how politics and institutions shaped science.
Applied Geometric Algebra (MIT RES.8-001)
Typeset 1976 lecture notes (11 chapters, about 110 pages) with problems, applying group theory and geometric algebra to physics: rotations, Lorentz transformations, spinors, and the unifying role of symmetry in classical, relativistic and quantum mechanics. Builds geometric intuition for advanced mathematical tools.
Quantum Physics I (MIT 8.04)
The experimental basis of quantum physics, wave mechanics, and the Schrödinger equation in one and three dimensions. 24 lecture videos, lecture notes, exams, and problem sets with solutions prepare learners to solve standard quantum systems and continue to 8.05.