A Unified Grand Tour of Theoretical Physics invites its readers to a guided exploration of the theoretical ideas that shape our contemporary understanding of the physical world at the fundamental level. Its central themes, comprising space-time geometry and the general relativistic account of gravity, quantum field theory and the gauge theories of
Introduction: The Ways of Nature. Geometry. Classical Physics in Galilean and Minkowski Spacetimes. General Relativity and Gravitation. Quantum Theory. Second Quantization and Quantum Field Theory. Relativistic Wave Equations and Field Theories. Forces, Connections and Gauge Fields. Interacting Relativistic Field Theories. Equilibrium Statistical Mechanics. Phase Transitions. Unified Gauge Theories of the Fundamental Interactions. Solitons and So On. The Early Universe. An Introduction to String Theory. Gravity and Quantum Mechanics. Some Snapshots of the Tour. Some Mathematical Notes. Some Elements of Group Theory. Natural Units. Scattering Cross-sections and Particle Decay Rates.