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Every unit and every derivation, theorem, result and concept across the physics2u network — 99 units, 803 pages — linked directly. Use ⌘K search for a faster lookup by name.
Physics2u · 24 units · 419 derivations
Physics2u home → · full curriculum → · vault index →
Phase 1 · PU-101 18 derivations
Newtonian Mechanics
Galilean invariance newtons lawsWork energy theoremConservative force potential energyConservation of mechanical energyMomentum conservation from third lawCenter of mass theoremAngular momentum and torqueReduced mass two bodyBinet orbit equation effective potentialKepler laws from inverse squareSimple harmonic motion linearizationDamped driven oscillator resonanceCoupled oscillators normal modesTsiolkovsky rocket equationMoment of inertia tensorEuler equations rigid bodyRotating frames coriolis centrifugalEuler lagrange from dalembert
Phase 1 · PU-102 18 derivations
Electricity & Magnetism I
Electric field from coulomb lawGauss law integral from coulombGauss law differential divergenceCurl free electrostatic fieldElectrostatic potential and poissonUniqueness theorem laplaceElectrostatic energy field densityConductor boundary conditionsMultipole expansion potentialPolarization bound charge d fieldContinuity equation charge conservationBiot savart from ampere forceDivergence free magnetic fieldAmpere law from biot savartVector potential and gaugeMagnetic dipole moment and torqueLorentz force and cyclotron motionMagnetization bound currents h field
Phase 1 · PU-103 18 derivations
Vibrations & Waves
Shm from linear restoring forceShm energy conservationDamped harmonic oscillatorQuality factor and energy decayDriven oscillator resonanceResonance lorentzian lineshapeCoupled oscillators normal modesNormal modes general diagonalizationWave equation from loaded stringDalembert solutionStanding waves normal modes stringFourier series mode decompositionEnergy density and power in wavesReflection transmission impedanceSound waves speed in gasDispersion phase group velocityWave packet group velocityDoppler effect and shock
Phase 1 · PU-104 17 derivations
Mathematical Methods I — Linear Algebra & Operators
Vector space basis dimension invarianceGram schmidt orthonormalizationInner product cauchy schwarzAdjoint operator existence uniquenessRiesz representation finite dimHermitian operator propertiesDeterminant multilinear characterizationCharacteristic polynomial eigenvaluesDiagonalizability eigenbasis criterionSpectral theorem self adjointUnitary operators preserve inner productSimultaneous diagonalization commuting operatorsGeneralized eigenvalue normal modesRayleigh quotient variational eigenvaluesSingular value decompositionMatrix exponential generator flowProjection operators orthogonal decomposition
Phase 1 · PU-105 18 derivations
Special Relativity
Lorentz transformation from postulatesInvariance of spacetime intervalRelativity of simultaneityTime dilation from lorentzLength contraction from lorentzRelativistic velocity additionRapidity and additivity of boostsProper time and four velocityRelativistic momentum from conservationMass energy equivalenceEnergy momentum four vectorRelativistic doppler effectFour wavevector of lightRelativistic force and accelerationElectromagnetic field tensorTransformation of em fieldsCovariant maxwell equationsFour current and charge conservation
Phase 1 · PU-106 17 derivations
Experimental Physics & Data Analysis I
Moments expectation varianceVariance of linear combinationsError propagation first orderError propagation covariance matrixStandard error of the meanBessel correction unbiased varianceInverse variance weighted meanBinomial distribution from bernoulliPoisson from binomial limitCharacteristic functions and momentsCentral limit theoremMaximum likelihood estimationLeast squares from gaussian likelihoodLinear least squares normal equationsParameter covariance from fisher informationChi squared distribution from gaussiansChi squared goodness of fit and dof
Phase 2 · PU-201 18 derivations
Analytical Mechanics
Dalembert principle from newtonEuler lagrange equationLagrangian equals t minus vLagrange multipliers constraint forcesNoether time translationNoether continuous symmetry generalCyclic coordinates conserved momentaCentral force orbit equationCentral force effective potentialKepler problem closed orbitsSmall oscillations eigenproblemNormal coordinates decouplingLegendre transform hamiltonianHamilton equations of motionPoisson bracketsLiouville theorem phase spaceCanonical transformations generating functionsHamilton jacobi equation
Phase 2 · PU-202 18 derivations
Quantum Mechanics I
Time dependent schrodinger equationBorn rule and normalisationProbability currentTime independent schrodinger equationHermitian operators real spectraExpectation values and operator formalismCanonical commutation relationGeneralised uncertainty relationEhrenfest theoremInfinite square wellFinite square well bound statesWavefunction matching conditionsRectangular barrier transmissionOscillator ladder operatorsOscillator hermite wavefunctionsGaussian packet spreadingMeasurement collapse and expansion postulateTime evolution operator
Phase 2 · PU-203 17 derivations
Thermal & Statistical Physics I
Ideal gas from kinetic theoryCarnot efficiencyClausius inequality and entropyThermodynamic potentials legendre transformsFree energy minimization at equilibriumMaxwell relationsThermodynamic stability conditionsClausius clapeyron relationStatistical entropy and temperatureBoltzmann distributionCanonical partition function and free energyEnergy fluctuations and heat capacityEquivalence of ensembles saddle pointMaxwell boltzmann speedsEquipartition and its failureSackur tetrode gibbs paradoxGrand canonical ensemble chemical potential
Phase 2 · PU-204 18 derivations
Electromagnetism II
Faraday law from flux ruleDisplacement current necessityMaxwell equations assemblyScalar vector potentials gaugeWave equation from maxwellPlane wave structure transversalityPoynting theorem energyMaxwell stress tensor momentumRetarded potentials jefimenkoLienard wiechert fieldsLarmor radiation formulaElectric dipole radiationFresnel equations boundaryWaves in conductors skin depthDispersion drude lorentzEm field tensor covarianceField transformation relativityEm lagrangian gauge invariance
Phase 2 · PU-205 18 derivations
Mathematical Methods II — Complex Analysis & Asymptotics
Cauchy riemann equationsCauchy goursat theoremCauchy integral formulaTaylor series analyticLaurent series expansionResidue theoremContour integration real integralsArgument principle roucheBranch points riemann surfacesAnalytic continuation uniquenessGamma function continuation reflectionConformal mapping potential theoryAsymptotic series optimal truncationWatsons lemmaLaplace method integralsMethod of steepest descentStirling saddle pointStationary phase approximation
Phase 2 · PU-206 18 derivations
Optics
Scalar wave equation from maxwellEikonal equation geometrical opticsFermat principle from eikonalSnell law and reflection from fermatRay transfer abcd matricesLensmakers and imaging equationFresnel equations from boundary conditionsBrewster tir evanescent wavesJones calculus polarizationLorentz oscillator dispersionPhase and group velocity wave packetsKirchhoff diffraction integralFraunhofer diffraction as fourier transformGrating equation and resolving powerAiry pattern rayleigh resolutionGaussian beam from paraxial helmholtzVan cittert zernike coherenceAbbe imaging spatial filtering
Phase 3 · PU-301 18 derivations
Quantum Mechanics II
Spectral theorem hermitian observablesGeneralized uncertainty relationAngular momentum ladder spectrumSpherical harmonics from orbital angular momentumSeparation central potential radial equationHydrogen atom bound spectrumSpin half pauli algebraClebsch gordan addition angular momentumNondegenerate perturbation theoryDegenerate perturbation theoryFine structure hydrogenVariational principle ground stateWkb quantizationTime dependent perturbation transition amplitudeFermi golden ruleDipole radiation selection rulesIdentical particles exchange symmetryBorn approximation scattering
Phase 3 · PU-302 18 derivations
Statistical Mechanics
Boltzmann entropy from microstate countingTemperature from entropy maximizationBoltzmann distribution from reservoirCanonical partition function and free energyGibbs entropy and maximum entropy ensemblesGrand canonical ensemble and fugacityEnergy fluctuations and heat capacityEquivalence of ensembles in thermodynamic limitEquipartition theoremGibbs paradox and indistinguishabilityIdeal gas from canonical ensembleQuantum occupation statistics bose fermiPlanck blackbody law from photon gasDebye model of solid heat capacityDegenerate fermi gas and sommerfeld expansionBose einstein condensationIsing model mean field and phase transitionCritical exponents and landau theory
Phase 3 · PU-303 18 derivations
Condensed Matter Physics
Reciprocal lattice from bravaisLaue and bragg diffraction conditionBlochs theorem from translation symmetryNearly free electron band gapsTight binding dispersionEffective mass and semiclassical dynamicsDensity of states and van hove singularitiesSommerfeld electronic heat capacityPhonon dispersion diatomic chainPhonon quantization and second quantizationDebye heat capacity and t cubed lawIntrinsic carrier concentrationBoltzmann transport drude conductivityLandau quantization and quantum hallCooper pair instabilityBcs gap equationWeiss mean field ferromagnetismSpin wave dispersion magnons
Phase 3 · PU-304 18 derivations
Nuclear & Particle Physics
Semi empirical mass formulaCoulomb term uniform charged sphereAsymmetry term from fermi gasBeta stability valleyGamow factor alpha tunnellingFermi golden rule decay rateFermi theory beta decay spectrumRadioactive decay bateman chainsRutherford scattering cross sectionBorn approximation scattering amplitudeMandelstam invariants two body kinematicsRelativistic phase space factorKlein gordon from relativistic dispersionDirac equation and spinNoethers theorem conserved currentsGauge invariance qed couplingIsospin and gell mann nishijimaHiggs mechanism mass generation
Phase 3 · PU-305 18 derivations
Classical Electrodynamics
Laplacian of inverse r deltaGauss law from coulombScalar potential and curl free eElectrostatic energy densityMultipole expansion potentialPolarization bound chargeAmpere law from biot savartVector potential and magnetizationFaraday law and induced emfDisplacement current and maxwell completionPoynting theorem energy conservationMaxwell stress tensor momentumWave equation from maxwellFresnel equations reflectionRetarded potentials and gaugeLarmor radiation formulaLorentz covariance of maxwellField transformation under boost
Phase 3 · PU-306 18 derivations
Atomic & Molecular Physics
Central potential radial separationHydrogen bound state spectrumRelativistic kinetic correctionSpin orbit couplingFine structure formulaHyperfine splitting 21cmAnomalous zeeman lande gLinear stark effect hydrogenTwo electron exchange symmetryHelium ground state variationalHartree fock self consistent fieldLs coupling hunds rulesElectric dipole selection rulesEinstein coefficients spontaneous emissionBorn oppenheimer approximationH2 plus lcao bondingRotational vibrational spectraFranck condon principle
Phase 3 · PU-307 18 derivations
Fluid Dynamics
Reynolds transport theoremContinuity equation from mass conservationCauchy stress tensor existenceCauchy momentum equationNavier stokes newtonian constitutiveEuler equations inviscid limitBernoulli theorem steady and unsteadyVorticity transport equationKelvin circulation theoremPotential flow laplace equationDalembert paradox in potential flowStokes drag on sphereReynolds number from nondimensionalizationMechanical energy and viscous dissipationAcoustic wave equation and speed of soundPrandtl boundary layer equationsSurface gravity wave dispersionKolmogorov four fifths law
Phase 3 · PU-308 18 derivations
Astrophysics & Cosmology
Hydrostatic equilibrium stellarVirial theorem self gravitatingLane emden polytropeChandrasekhar mass limitTov equation relativistic starsSaha ionization equationFrw metric cosmological principleFriedmann equations from grCosmological redshift scale factorDistance measures cosmologyParticle horizon flatness problemInflation slow roll dynamicsCmb blackbody temperature scalingRecombination saha decouplingBig bang nucleosynthesis heliumJeans instability criterionLinear growth density perturbationsFlat rotation curves dark matter
Phase 4 · PU-401 18 derivations
Advanced Quantum Theory
Interaction picture dyson seriesFermi golden ruleSemiclassical radiation selection rulesEinstein coefficients relationClebsch gordan additionWigner eckart theoremVariational upper boundWkb connection formulasGamow tunneling rateAdiabatic theoremBerry phase geometricLippmann schwinger equationBorn approximation cross sectionPartial wave phase shiftsOptical theoremIdentical particles exchange symmetryDensity matrix von neumannPath integral propagator
Phase 4 · PU-402 18 derivations
Lagrangian Field Theory
Euler lagrange field equationsNoether first theorem conserved currentCanonical stress energy tensorBelinfante rosenfeld symmetric tensorKlein gordon from scalar lagrangianLorentz lie algebra representationsDirac equation from lagrangianMaxwell from gauge lagrangianGauge invariance implies charge conservationProca massive vector degrees of freedomHamiltonian field formulationCanonical commutation field quantizationScalar field mode expansion fock spaceFeynman propagator scalar fieldNoether charge generates symmetrySpin statistics connectionGoldstone theorem massless bosonsAbelian higgs mechanism
Phase 4 · PU-403 18 derivations
General Relativity
Equivalence principle to metric gravityGeodesic equation from extremal proper timeCovariant derivative and christoffel symbolsRiemann tensor from commutator of covariant derivativesParallel transport and geodesic deviationContracted bianchi identity and einstein tensorStress energy tensor from noether currentsEinstein field equations from einstein hilbert actionNewtonian limit and fixing einstein constantSchwarzschild solution from vacuum equationsPerihelion precession of mercuryLight deflection and gravitational redshiftEvent horizon and kruskal extensionLinearized gravity and wave equationQuadrupole formula for gravitational radiationFriedmann equations from flrw metricCosmological redshift and hubble lawRaychaudhuri equation and focusing
Phase 4 · PU-404 18 derivations
Quantum Information & Computation
No cloning theoremReduced density matrix partial traceSchmidt decompositionKraus stinespring representationChsh tsirelson boundQuantum teleportation protocolSuperdense coding protocolUniversal gate set cnot su2Solovay kitaev theoremDeutsch jozsa oracle separationGrover search optimalityQuantum fourier transform circuitQuantum phase estimationShor order findingVon neumann entropy propertiesHolevo boundLandauer erasure principleStabilizer codes error discretization
Maths2u · 25 units · 135 theorems
Maths2u home → · full curriculum → · vault index →
Phase 1 · MU-101 7 theorems
Foundations & Mathematical Proof
Phase 1 · MU-102 7 theorems
Calculus I
Phase 1 · MU-103 6 theorems
Linear Algebra I
Phase 1 · MU-104 7 theorems
Analysis I — Sequences & Series
Phase 1 · MU-105 6 theorems
Discrete Mathematics
Phase 1 · MU-106 6 theorems
Probability I
Phase 2 · MU-201 6 theorems
Real Analysis
Phase 2 · MU-202 6 theorems
Linear Algebra II
Phase 2 · MU-203 5 theorems
Multivariable & Vector Calculus
Phase 2 · MU-204 6 theorems
Group Theory
Phase 2 · MU-205 5 theorems
Ordinary Differential Equations
Phase 2 · MU-206 6 theorems
Complex Analysis
Phase 2 · MU-207 5 theorems
Number Theory
Phase 3 · MU-301 5 theorems
Metric & Topological Spaces
Phase 3 · MU-302 5 theorems
Measure & Integration
Phase 3 · MU-303 6 theorems
Rings, Fields & Galois Theory
Phase 3 · MU-304 5 theorems
Functional Analysis
Phase 3 · MU-305 5 theorems
Partial Differential Equations
Phase 3 · MU-306 4 theorems
Differential Geometry
Phase 3 · MU-307 5 theorems
Combinatorics & Graph Theory
Phase 3 · MU-308 4 theorems
Numerical Analysis
Phase 4 · MU-401 4 theorems
Algebraic Topology
Phase 4 · MU-402 4 theorems
Representation Theory
Phase 4 · MU-403 5 theorems
Logic & Set Theory
Chemistry2u · 25 units · 126 results
Chemistry2u home → · full curriculum → · vault index →
Phase 1 · CU-101 6 results
Atomic Structure & Periodicity
Phase 1 · CU-102 6 results
Chemical Bonding
Phase 1 · CU-103 5 results
Stoichiometry & the Mole
Phase 1 · CU-104 5 results
States of Matter & Gases
Phase 1 · CU-105 5 results
Introduction to Organic Chemistry
Phase 1 · CU-106 4 results
Chemical Energetics
Phase 2 · CU-201 6 results
Chemical Thermodynamics
Phase 2 · CU-202 6 results
Chemical Kinetics
Phase 2 · CU-203 5 results
Chemical Equilibrium
Phase 2 · CU-204 5 results
Acids, Bases & Buffers
Phase 2 · CU-205 5 results
Electrochemistry
Phase 2 · CU-206 6 results
Organic Reaction Mechanisms
Phase 2 · CU-207 5 results
Coordination Chemistry
Phase 3 · CU-301 6 results
Quantum Chemistry
Phase 3 · CU-302 6 results
Spectroscopy
Phase 3 · CU-303 5 results
Statistical Thermodynamics
Phase 3 · CU-304 5 results
Solid State & Materials Chemistry
Phase 3 · CU-305 5 results
Advanced Organic Synthesis
Phase 3 · CU-306 5 results
Main Group & Inorganic Chemistry
Phase 3 · CU-307 4 results
Electrochemistry & Interfaces
Phase 3 · CU-308 4 results
Analytical Chemistry
Phase 4 · CU-401 4 results
Computational & Theoretical Chemistry
Phase 4 · CU-402 5 results
Chemical Biology & Biochemistry
Phase 4 · CU-403 4 results
Catalysis & Reaction Dynamics
Phase 4 · CU-404 4 results
Polymer & Soft Matter Chemistry
Biology2u · 25 units · 123 concepts
Biology2u home → · full curriculum → · vault index →
Phase 1 · BU-101 6 concepts
Cell Biology
Phase 1 · BU-102 5 concepts
Biological Molecules
Phase 1 · BU-103 5 concepts
Genetics
Phase 1 · BU-104 5 concepts
Evolution & Natural Selection
Phase 1 · BU-105 5 concepts
Ecology
Phase 1 · BU-106 4 concepts
Organismal Physiology
Phase 2 · BU-201 5 concepts
Molecular Biology
Phase 2 · BU-202 5 concepts
Cell Signalling & Membranes
Phase 2 · BU-203 5 concepts
Microbiology
Phase 2 · BU-204 5 concepts
Population & Molecular Genetics
Phase 2 · BU-205 5 concepts
Animal Physiology
Phase 2 · BU-206 5 concepts
Plant Biology
Phase 2 · BU-207 5 concepts
Developmental Biology
Phase 3 · BU-301 5 concepts
Immunology
Phase 3 · BU-302 5 concepts
Neuroscience
Phase 3 · BU-303 6 concepts
Molecular Genetics & Genomics
Phase 3 · BU-304 5 concepts
Evolutionary Biology
Phase 3 · BU-305 5 concepts
Ecology & Population Dynamics
Phase 3 · BU-306 5 concepts
Structural Biology & Biophysics
Phase 3 · BU-307 5 concepts
Cancer Biology
Phase 3 · BU-308 4 concepts
Systems Biology
Phase 4 · BU-401 5 concepts
Bioinformatics & Computational Biology
Phase 4 · BU-402 4 concepts
Synthetic Biology & Genetic Engineering
Phase 4 · BU-403 5 concepts
Epidemiology & Disease Ecology
Phase 4 · BU-404 4 concepts