Free textbooks in mathematical physics
Dynamics
- Dynamical Systems George D. Birkhoff, AMS 1927, 305 pp.
- Dynamics in One Complex Variable: Introductory Lectures, John Milnor
- Introduction to Statics and Dynamics by Andy Ruina and Rudra Pratap
Entropy
- Entropy of Compact Group Automorphisms by Thomas Ward
- Valuations and Hyperbolicity in Dynamics by Thomas Ward
- Lecture Notes on Mechanics, Probability and Irreversibility by Alexandre J. Chorin
- Effective Hamiltonians and averaging for Hamiltonian dynamics - Lawrence Craig Evans
- Entropy and partial differential equations - Lawrence Craig Evans
- CLASSICAL AND QUANTUM CHAOS by Predrag Cvitanovic'
- Dynamical systems by Shlomo Sternberg
Quantum Mechanics
- Schrödinger Operators by Gerald Teschl
- Quantum Mechanics by Klaus Schulten
- Foundations of Quantum Mechanics & Quantum Information by M.B. Plenio
- Quantum Geometry and more by Micho Durdevich
Quantum Field Theory
- Comprehensive textbook on quantum (and classical) field theory by Warren Siegel
- Quantum Field Theory by Ben Simons
- Mathematical ideas and notions of quantum field theory by Pavel Etingof
- Introduction to Algebraic and Constructive Quantum Field Theory by John C. Baez, Irving E. Segal and Zhengfang Zhou scanned pdf. extermely big 200 megabytes
- Lecture Notes from the Quantum Field Theory program at IAS, 1996-1997
- Introduction to String Theory by Igor V. Dolgachev
- What is String Theory by Joseph Polchinski
- D-Brane Primer by Clifford V. Johnson
- Introduction to Superstring Theory by Elias Kiritsis
Condensed Matter
- Worked examples in the Geometry of Crystals by HKDH Bhadeshia
- Introduction to Solid-State Physics; Many-Body Theory by Chetan Nayak
- Concepts of Theoretical Solid State Physics by Alexander Altland
- Many-Body Physics by Piers Coleman
- High-Temperature Superconductivity by Peter Hirschfeld
- Solid State Physics Notes, Problem Sets, & Tests by Peter Hirschfeld
Special and General Relativity
- Mechanics and Special Relativity introductiry textbook by David Morin
- SERGIU KLAINERMAN General Relativity, Nonlinear PDEs, etc.
- Special Relativity and Geometry by C. E. Harle, R. Bianconi
- Differential Geometry (and Relativity) notes by Bob Gardner
- General Relativity and Quantum Cosmology by Sean M. Carroll
Physics
- Essential Physics 1 by Frank Firk
- Introduction to Groups, Invariants & Particles by Frank W.K. Firk
- Classical Electrodynamics by Bo Thidé
- Classical electrodynamics and theory of relativity by Ruslan Sharipov
- Electromagnetic Theory and Computation: A Topological Approach by Paul W. Gross and P. Robert Kotiuga
- MOTION MOUNTAIN TEXTBOOK Hiking beyond space and time along the concepts of modern physics by Christoph Schiller
- Fundamentals of Thermodynamics by J. Karl Johnson
- Non-Equilibrium Statistical Mechanics by Klaus Schulten
- Course in Electrodynamics by Franz Wegner
- Order-of-magnitude-physics a book by Sanjoy Mahajan
- A Brief Introduction to Physics for Mathematicians, Igor V. Dolgachev
- Physical Applications of Geometric Algebra by Anthony Lasenby and Chris Doran
- Group Theory for Physicists by Predrag Cvitanovic'
- An Elementary Introduction to Groups and Representations by Brian C. Hall
- Geometric Models for Noncommutative Algebras by A. Cannas da Silva and A. Weinstein
- Concepts in Theoretical Physics by Ben Simons
- Quick introduction to tensor analysis by Ruslan Sharipov
- Traveling Wave Solutions of Parabolic Systems by Aizik I. Volpert, Vitaly A. Volpert, and Vladimir A. Volpert, AMS 1994, 455 pp.