Foundations
Core mental models: qubits, states, measurement, and intuition-first math.
What is Quantum Computing?
Why Quantum Computing?
Quantum vs Classical Computing
Applications of Quantum Computing
Learning Roadmap
Bits vs Qubits
Computational Basis States |0⟩ and |1⟩
Quantum States & State Vectors
Superposition (Physical Meaning)
Phase and Global Phase
The Bloch Sphere
Rotations on the Bloch Sphere
Measurement Postulate
Born Rule (Worked Examples)
Measurement in Different Bases
Tensor Products (Multi-Qubit States)
Product States vs Entangled States
Bell States
Reduced States & Partial Trace (Conceptual)
No-Cloning Theorem
Mixed States (Conceptual Introduction)
Density Matrices (Introductory)
Measurement with Density Matrices
Classical vs Quantum Correlations
Foundations Summary & Transition to Gates
Bloch Sphere Revisited (Full Geometry)
Observables & Expectation Values (Intro)
Projective Measurements (Formal View)
Phase Revisited: Interference & Physical Meaning
Pure vs Mixed States (Comparison & Summary)