| Field |
Subfields & Topics |
Theories & Concepts |
| Classical mechanics |
Newton's laws of motion, Lagrangian mechanics, Hamiltonian mechanics, Kinematics, Statics, Dynamics, Chaos theory, Acoustics, Fluid dynamics, Continuum mechanics |
Density, Dimension, Gravity, Space, Time, Motion, Length, Position, Velocity, Acceleration, Mass, Momentum, Force, Energy, Angular momentum, Torque, Conservation law, Harmonic oscillator, Wave, Work, Power |
| Electromagnetism |
Electrostatics, Electrodynamics, Electricity, Magnetism, Maxwell's equations, Optics |
Capacitance, Electric charge, Electric current, Electrical conductivity, Electric field, Electric permittivity, Electrical resistance, Electromagnetic field, Electromagnetic induction, Electromagnetic radiation, Gaussian surface, Magnetic field, Magnetic flux, Magnetic monopole, Magnetic permeability |
| Theory of relativity |
Special relativity, General relativity, Einstein field equations |
Covariance, Einstein manifold, Equivalence principle, Four-momentum, Four-vector, General principle of relativity, Geodesic motion, Gravity, Gravitoelectromagnetism, Inertial frame of reference, Invariance, Length contraction, Lorentzian manifold, Lorentz transformation, Metric, Minkowski diagram, Minkowski space, Principle of Relativity, Proper length, Proper time, Reference frame, Rest energy, Rest mass, Relativity of simultaneity, Spacetime, Special principle of relativity, Speed of light, Stress-energy tensor, Time dilation, Twin paradox, World line |
| Thermodynamics and Statistical mechanics |
Heat engine, Kinetic theory |
Boltzmann's constant, Conjugate variables, Enthalpy, Entropy, Equation of state, Equipartition theorem, First Law of Thermodynamics, Free energy, Heat, Ideal gas law, Internal energy, Irreversible process, Partition function, Pressure, Reversible process, Second Law of Thermodynamics, Spontaneous process, State function, Statistical ensemble, Temperature, Thermodynamic equilibrium, Thermodynamic potential, Thermodynamic processes, Thermodynamic state, Thermodynamic system, Third Law of Thermodynamics, Viscosity, Zeroth Law of Thermodynamics |
| Quantum mechanics |
Path integral formulation, Scattering theory, Schrödinger equation, Quantum field theory, Quantum statistical mechanics |
Adiabatic approximation, Correspondence principle, Free particle, Hamiltonian, Hilbert space, Identical particles, Matrix Mechanics, Planck's constant, Operators, Quanta, Quantization, Quantum entanglement, Quantum harmonic oscillator, Quantum number, Quantum tunneling, Schrödinger's cat, Dirac equation, Spin, Wavefunction, Wave mechanics, Wave-particle duality, Zero-point energy, Pauli Exclusion Principle, Heisenberg Uncertainty Principle |
| Astrophysics |
Cosmology, Gravitation physics, High-energy astrophysics, Planetary astrophysics, Plasma physics, Space physics, Stellar astrophysics |
Big Bang, Lambda-CDM model, Cosmic inflation, General relativity, Law of universal gravitationBlack hole, Cosmic background radiation, Cosmic string, Cosmos, Dark energy, Dark matter, Galaxy, Gravity, Gravitational radiation, Gravitational singularity, Planet, Solar system, Star, Supernova, Universe |
| Atomic, molecular, and optical physics |
Atomic physics, Molecular physics, Atomic and Molecular astrophysics, Chemical physics, Optics, Photonics |
Quantum optics, Quantum chemistry, Quantum information scienceAtom, Molecule, Diffraction, Electromagnetic radiation, Laser, Polarization, Spectral line, Casimir effect |
| Particle physics |
Accelerator physics, Nuclear physics, Nuclear astrophysics, Particle astrophysics, Particle physics phenomenology |
Standard Model, Quantum field theory, Quantum chromodynamics, Electroweak theory, Effective field theory, Lattice field theory, Lattice gauge theory, Gauge theory, Supersymmetry, Grand unification theory, Superstring theory, M-theoryFundamental force (gravitational, electromagnetic, weak, strong), Elementary particle, Spin, Antimatter, Spontaneous symmetry breaking, Brane, String, Quantum gravity, Theory of everything, Vacuum energy |
| Condensed matter physics |
Solid state physics, High pressure physics, Low-temperature physics, Nanoscale and mesoscopic physics, Polymer physics |
BCS theory, Bloch wave, Fermi gas, Fermi liquid, Many-body theoryPhases (gas, liquid, solid, Bose-Einstein condensate, superconductor, superfluid), Electrical conduction, Magnetism, Self-organization, Spin, Spontaneous symmetry breaking |
