Lea F. Santos

This is a channel about physics, especially for lectures and problem-solving examples.

Finite Square Well (Part 3: scattering)
Finite Square Well (Part 3: scattering)
Example 3.8 with some additional comments
Example 3.8 with some additional comments
Delta Function Well (Reflection and Transmission Coefficients)
Delta Function Well (Reflection and Transmission Coefficients)
Delta Function Well (Bound State)
Delta Function Well (Bound State)
Classical vs Quantum Harmonic Oscillator
Classical vs Quantum Harmonic Oscillator
Finite Square-Well (Part 2)
Finite Square-Well (Part 2)
Finite Square-Well (Part 1)
Finite Square-Well (Part 1)
Example 2.5: Expectation value of the potential energy in Psi_n of the harmonic oscillator
Example 2.5: Expectation value of the potential energy in Psi_n of the harmonic oscillator
Solutions of the harmonic oscillator are orthonormal
Solutions of the harmonic oscillator are orthonormal
Normalized solutions of harmonic oscillator
Normalized solutions of harmonic oscillator
Fading ergodicity (Rafał Świętek)
Fading ergodicity (Rafał Świętek)
Eigenvalues, eigenvectors, expectation values, probabilities (Problem 3.46)
Eigenvalues, eigenvectors, expectation values, probabilities (Problem 3.46)
Bra, inner product, and matrix construction {Problem 3.26)
Bra, inner product, and matrix construction {Problem 3.26)
Ex.2.4: Find the first excited state of the harmonic oscillator.
Ex.2.4: Find the first excited state of the harmonic oscillator.
Algebraic Method for the Quantum Harmonic Oscillator
Algebraic Method for the Quantum Harmonic Oscillator
Hamiltonian of the quantum harmonic oscillator
Hamiltonian of the quantum harmonic oscillator
Harmonic Oscillator: Why is it important?
Harmonic Oscillator: Why is it important?
Eigenvalues and eigenvectors of Sx (spin-1/2 particle)
Eigenvalues and eigenvectors of Sx (spin-1/2 particle)
Example 4.2: Measuring Sz and Sx for a spin-1/2
Example 4.2: Measuring Sz and Sx for a spin-1/2
Schrödinger equation for central potentials
Schrödinger equation for central potentials
Krylov complexity (talk by Pedro Bento)
Krylov complexity (talk by Pedro Bento)
Prob.1.9 (Griffiths' Quantum Mechanics book 3rd ed.)
Prob.1.9 (Griffiths' Quantum Mechanics book 3rd ed.)
Sec.1.6 Uncertainty Principle
Sec.1.6 Uncertainty Principle
Sec.1.5 Momentum (expectation value)
Sec.1.5 Momentum (expectation value)
Prob. 1.4 (Griffiths' Quantum Mechanics book 3rd ed.)
Prob. 1.4 (Griffiths' Quantum Mechanics book 3rd ed.)
Sec.1.4 Normalization
Sec.1.4 Normalization
Gaussian integral
Gaussian integral
Problem 1.3 (Gaussian distribution) - Griffiths
Problem 1.3 (Gaussian distribution) - Griffiths
Sec.1.3.2 Probability (Continuous Variables)
Sec.1.3.2 Probability (Continuous Variables)
Sec.1.3.1 Probability (Discrete Variables)
Sec.1.3.1 Probability (Discrete Variables)