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String Theory for Undergraduates
This note covers the following topics: Lorentz transformations, Light-cone coordinates, Energy and momentum, Compact dimensions, orbifolds, Relativistic electrodynamics, Gauss' law, Gravitation and Planck's length, Gravitational potentials, compactification, and large extra dimensions, area formula for spatial surfaces, Relativistic strings: Nambu-Goto action, equations of motion and boundary conditions, Periodicity conditions for the motion of closed strings, The formation of cusps, Conserved currents in E&M, Conserved charges in lagrangian mechanics, Closed strings and Heterotic string theory.
Author(s): Prof. Barton Zwiebach and Prof. Alan Guth
NA Pages 
Theoretical Physics Reference Ondrej Certik
The Theoretical Physics Reference is an attempt to derive all theoretical physics equations from the general and special relativity and the standard model of particle physics.The topics in this pdf include: Introduction, Contributors, Mathematics, Classical Mechanics, Special and General Relativity, Classical Electromagnetism, Thermodynamics and Statistical Physics, Fluid Dynamics, Quantum Field Theory and Quantum Mechanics.
Author(s): Ondrej Certik
448 Pages
David Tong Lectures on Theoretical Physics
The topics of the lectures in the site include: Classical Mechanics, Dynamics and Relativity, Classical Dynamics, Electromagnetism, Vector Calculus, Electromagnetism, Quantum Mechanics, Quantum Mechanics, Topics in Quantum Mechanics, Condensed Matter, Solid State Physics, Quantum Hall Effect, Fluid Mechanics, Fluid Mechanics, Kinetic Theory, Statistical Physics, Statistical Physics, Statistical Field Theory, Gravitation and Cosmology, General Relativity, Cosmology, Quantum Field Theory, Particle Physics, Quantum Field Theory, Gauge Theory, Solitons, Supersymmetry and String Theory, Supersymmetric Quantum Mechanics, Supersymmetric Field Theory, String Theory.
Author(s): David Tong, University of Cambridge
NA Pages
Introduction to Theoretical Polymer Physics
This note describes the following topics: Random Walk models of polymer conformations, Gaussian chain, Self-avoiding walks and excluded-volume interaction, Scale invariance, Relation between self-avoiding walks and critical phenomena, Self-consistent field theory for polymers, Screening of excluded volume interactions, Flory-Huggins theory, Theta collapse, Blob concept, Generic phase diagram of polymer solutions, Rouse model, Zimm model, Hydrodynamic screening in semidilute solutions, Reptation model.
Author(s): Monash University, Australia
NA Pages
Techniques Of Theoretical Physics
This note provides an application of mathematical methods to problems in theoretical physics. Topics covered includes: A variety of techniques employing calculus, Introduction to complex numbers, matrices, vector calculus, Fourier series, and differential equations.
Author(s): Prof. Nikolay Prokofiev
NA Pages
Advanced Concepts of Theoretical Physics
This note describes mathematical concepts that are at the basis of the modern theories of particle and condensed matter physics, as well as of some advanced topics in quantum mechanics. Topics covered includes: From Mechanics to Quantum Field Theory, Lie Groups and Lie Algebras, Galilei, Lorentz, and PoincarŽe Algebras, Abelian and Non-Abelian Gauge Fields, Topology of Gauge Fields, Angular Momentum in Quantum Mechanics.
Author(s): Uwe-Jens Wiese
142 Pages
M.Phys Option in Theoretical Physics
This note covers the following topics: Path Integrals in Quantum Mechanics, Stochastic Processes and Path Integrals, Statistical mechanics in one dimension, Classical Field Theory , Canonical Quantization, Interacting Quantum Fields, Path Integrals in Quantum Field Theory, Many-Particle Quantum Systems, Phase Transitions.
Author(s): John Chalker and Andre Lukas
113 Pages
Eight Lectures on Theoretical Physics
This note covers the following topics: Reversibility and Irreversibility, Thermodynamic States of Equilibrium in Dilute Solutions, Atomic Theory of Matter, Equation of State for a Monatomic Gas, Heat Radiation and Electrodynamic Theory, Heat Radiation. Statistical Theory, General Dynamics. Principle of Least Action, Principle of Relativity.
Author(s): Max Planck
99 Pages
Concepts in Theoretical Physics
These lectures provide bite sized introductions to a handful of topics in theoretical physics, aimed at first year undergraduates. They were given from 2008 to 2011. Presentations can be downloaded below.The lecture notes can be downloaded in both PDF and PS formats
Author(s): David Tong, Cambridge university
NA Pages