Quantum Mechanics and Quantum Field Theory

Quantum Mechanics and Quantum Field Theory

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Perturbation Theory in Quantum Mechanics - Cheat Sheet

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Perturbation Theory in Quantum Mechanics - Cheat Sheet

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Quantum Mechanics and Quantum Field Theory

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  1. 1 Perturbation Theory in Quantum Mechanics - Cheat Sheet
  2. 2 Zeeman Effect | Normal, Anomalous & Paschen–Back Effect
  3. 3 Clebsch–Gordan Coefficients Explained
  4. 4 Dirac Equation | Derivation and Introduction
  5. 5 Linear Stark Effect | Quantum Mechanics | Hydrogen Atom
  6. 6 Bra Ket Notation | Quantum Mechanics
  7. 7 How to Normalize a Wave Function (+3 Examples) | Quantum Mechanics
  8. 8 Bloch Sphere | Visualizing Qubits and Spin | Quantum Information
  9. 9 Wigner–Eckart Theorem | Clebsch-Gordan & Spherical Tensor Operators
  10. 10 Expectation Values in Quantum Mechanics
  11. 11 Characteristic X-Rays | Nuclear Physics
  12. 12 Deriving Clebsch–Gordan Coefficients | Angular Momentum in Quantum Mechanics
  13. 13 Klein-Gordon Equation | Relativistic Quantum Mechanics
  14. 14 Spherical Tensor Operators | Wigner D-Matrices | Clebsch–Gordan & Wigner–Eckart
  15. 15 Harmonic Oscillator: Introduction | Quantum Mechanics
  16. 16 Pure VS Mixed States | Quantum Information
  17. 17 Ehrenfest's Theorem | Quantum Mechanics meets Classical Mechanics
  18. 18 Proton Decay | Nuclear Physics Beyond the Standard Model?
  19. 19 What are Quantum Fields? | Introduction to Quantum Field Theory
  20. 20 Variational Methods | Quantum Mechanics
  21. 21 Time Reversal Symmetry Operator | Quantum Mechanics
  22. 22 Dynamical Pictures | Schrödinger, Heisenberg, Interaction Picture
  23. 23 Compton Scattering & Compton Wavelength (Derivation)
  24. 24 2 Ways to Derive the Landé g-Factor | Easy → HARD
  25. 25 Solving the Dirac Equation | Rest Frame
  26. 26 Time Evolution Operator | Quantum Mechanics
  27. 27 Ladder Operators of Angular Momentum | Quantum Mechanics
  28. 28 Dirac Equation | Gamma Matrices
  29. 29 Hermitian Operators (Self-Adjoint Operators) | Quantum Mechanics
  30. 30 Schrödinger Equation in Momentum Space | Quantum Mechanics
  31. 31 Negative Energy Solutions in the Dirac Equation | Dirac Sea VS. Feynman–Stueckelberg
  32. 32 Bra-Ket Operators | Quantum Mechanics
  33. 33 Gamma Matrices in Action #1 | How to do Calculations with Gamma Matrices
  34. 34 Heisenberg Equation of Motion for Operators | Quantum Mechanics
  35. 35 Adjoint / Daggered Operators in Quantum Mechanics
  36. 36 Ladder Operators | Harmonic Oscillator | Quantum Mechanics
  37. 37 From the Dirac Lagrangian to the Dirac Equations | Non-Interacting Lagrangian Density
  38. 38 Parity in Quantum Mechanics: Position Operator
  39. 39 Strong CP Problem & Axions | Quantum Field Theory
  40. 40 No-Cloning Theorem (Proof) | No-Broadcast Theorem | Quantum Mechanics
  41. 41 Machine Learning in Physics | Numerical Physics
  42. 42 Why is Momentum a Hermitian Operator? | Quantum Mechanics
  43. 43 What is the Number Operator? | Harmonic Oscillator | Quantum Mechanics
  44. 44 Normal Order in Quantum Field Theory | Wick Order | Fermions & Bosons
  45. 45 Parity Symmetry in the Harmonic Oscillator | Quantum Mechanics
  46. 46 Deriving Heisenberg's Uncertainty Principle from General Uncertainty Relations
  47. 47 Para & Ortho Helium (Spin Isomers) | Quantum Mechanics
  48. 48 Calculating the Ground State of the Harmonic Oscillator | Quantum Mechanics
  49. 49 Gamma Matrices in Action #2 | How to do Calculations with Gamma Matrices
  50. 50 Wigner's 3j Symbols | Angular Momentum | Quantum Mechanics
  51. 51 Spinor Normalization | Solving the Dirac Equation
  52. 52 Why do Commuting Operators have a Shared Eigenbasis? | Quantum Mechanics
  53. 53 Dimensionless Variables | Quantum Harmonic Oscillator
  54. 54 Spinor Lorentz Transformations | How to Boost a Spinor
  55. 55 Why do Hermitian Operators have Real Eigenvalues? | Quantum Mechanics
  56. 56 How to Integrate over Grassmann Numbers in Quantum Field Theory? (Berezin Integral)
  57. 57 How to Freeze a Quantum State? | Quantum Zeno Effect
  58. 58 Mandelstam Variables in Quantum Field Theory (QFT)
  59. 59 Eigenvalues of the Harmonic Oscillator | Quantum Mechanics
  60. 60 Solving the Dirac Equation | Any Frame (Easy Mode)
  61. 61 Eigenfunctions of the Harmonic Oscillator
  62. 62 Properties of the Time Reversal Operator | Quantum Mechanics
  63. 63 Projection Theorem | Special Case of the Wigner–Eckart Theorem
  64. 64 When is a Physical Quantity Conserved in Quantum Mechanics?
  65. 65 Bra-Ket Position Basis & Momentum Basis | Wave Functions in Quantum Mechanics
  66. 66 Planck Scale | Where QFT and General Relativity Meet | Beyond the Standard Model
  67. 67 Entanglement and the EPR Paradox | #Halloween2019
  68. 68 Rutherford-Bohr Model | Atomic Physics
  69. 69 What is a Commutator? | Harmonic Oscillator
  70. 70 Condon-Shortley Phase Convention | Clebsch-Gordan Gets Real
  71. 71 Parseval-Plancherel Identity | Normalization in Quantum Mechanics
  72. 72 Time-Independent Schrödinger Equation | Quantum Mechanics
  73. 73 Discovery of the Proton | Open Questions in Nuclear Physics
  74. 74 The 2n+1 Theorem | Perturbation Theory | Quantum Mechanics
  75. 75 Solving the Dirac Equation | Any Frame (Hard Mode)
  76. 76 Is There a Lowest or Highest State in the Harmonic Oscillator? | Quantum Mechanics
  77. 77 Higher Eigenfunctions in the Harmonic Oscillator
  78. 78 Channel Trailer | Welcome to Pretty Much Physics
  79. 79 Photoelectric Effect | Basics

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