Quantum Mechanics II (2020 semester 1)

Lectures:  Mondays, Thursdays 14:00-16:00 (Online
Discussion:  Wednesdays 14:00-1600. (Cancelled until further notice)
Classroom:  2019 (207-C)

Prof. Matthew Luzum
Office:  3093



Online lecture information

You must first download the software from https://zoom.us/download .

Then, at the time of the lecture, click this link:  https://zoom.us/j/561958509

Or, open the Zoom app and click "Join" (or "ingressar") and paste the code 561958509.

The password for the Zoom meeting is 078807.



Homework


Exams

  • Midterm 1 - 16 April
  • Midterm 2 - 10 June  15 June
  • Final Exam - 25 June   2 July

Lectures

  • 9 March -- Identical particles:  Multiparticle states, evolution of multiparticle states, permutation symmetry, indistinguishable particles, 2 electron system (Sakurai Ch 6, Shankar Ch 10)
  • 12 March -- Identical particles:  more than 2 particles, anyons, Young tableaux (Sakurai Ch 6, Shankar Ch 10)
  • 16 March -- Identical particles:  Helium atom, periodic table, nuclear shell model (Sakurai 6.4, Shankar 13.4)

  • 19 March -- No Lecture

  • 23 March (Online) --  Symmetries:  Continuous symmetries + conservation laws, groups, parity (Sakurai 4, Shankar 11)
  • 26 March (Download Recording, View Recording on Youtube with automatically generated subtitles) -- Symmetries:  Parity (Sakurai 4, Shankar 11)
  • 30 March -- (Youtube recording) Symmetries: Time reversal (Sakurai 4, Shankar 11)
  • 2 April -- (Youtube recording) Symmetries: Time reversal, Lattice translation (Sakurai 4, Shankar 11)
  • Semana santa -- no lectures
  • 13 April -- (No recording) Scattering:  Introduction, cross sections, 2-body kinematics
  • 16 April -- Midterm Exam 1 (Symmetries, identical particles)
  • 23 April -- (Youtube recording) Scattering: Green's function methods -- Lippmann-Schwinger equation (Sakurai 7.1)
  • 27 April -- (Youtube recording) Scattering: Born approximation, Optical Theorem (Sakurai 7.2-7.3)
  • 30 April -- (Youtube recording) Scattering: Partial waves & phase shifts (Shankar 19.5, Sakurai 7.6)
  • 4 May --  (Youtube recording) Scattering: Partial waves -- Hard Sphere  (Sakurai 7.6-7.7)
  • 7 May -- (Youtube recording) Scattering: Partial waves -- Finite spherical well / barrier, Resonance scattering, scattering of identical particles (Sakurai 7.7-7.9)
  • 11 May -- (Youtube recording) Scattering: Symmetry considerations (Sakurai 7.10), Coulomb scattering (Weinberg 7.9)
  • 14 May -- (Youtube recording) Scattering: Eikonal approximation (Shajesh notes), General Scattering Theory - S-matrix and Dyson Formula (Weinberg)
  • 18 May -- Cancelled
  • 21 May -- (Youtube recording) Scattering:  General Scattering -- S-matrix, Born, Fermi's golden rule, optical theorem (Weinberg)
  • 25 May -- (Recording) Quantum information theory:  Classical information theory, Shannon entropy, joint entropy, mutual information, source coding theorem, density matrix (GraziosoNielsen & Chuang)
  • 28 May -- (Recording) QIT: density matrix, quantum measurement, discerning (non-)orthogonal states (GraziosoNielsen & Chuang)
  • 1 June -- (Recording) QIT:  quantum complementarity, Holevo theorem, no-cloning theorem; applications -- black hole information paradox (GraziosoNielsen & Chuang)
  • 4 June -- (Recording) QIT: applications -- quantum cryptography (Nielsen & Chuang, Mertz,   Stumpf)

Lecture Notes


Suggested textbooks

Main text
  • J.J. Sakurai, "Modern Quantum Mechanics", (chapter numbers refer to Revised edition, not second edition)
Other texts
  • Shankar, Principles of Quantum Mechanics.
  • Weinberg, Lectures on Quantum Mechanics

Evaluation

The final grade will be an average of the best 2 out of 3 exams (50% each).


Program

Tentative list of topics:
  • Identical particles
  • Symmetries and conservation laws
  • Scattering theory
  • Other topics (depending on time)

List of possible topics (struck topics were covered in QMI, semester 2 of 2019):

WKB approximationVariational methodsTime-dependent perturbation theory, Identical particles, Scattering theory, S-matrix, Eikonal approximation, Interaction radiation/matter, Canonical formalism, Path integrals, Symmetries and conservation laws, Particles in e/m fields, Entanglement, Interpretations of Quantum Mechanics, Basics of  quantum computation, 
Bell's inequality, Berry phase, Anderson localization.


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Ch1.pdf
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Matt Luzum,
Feb 11, 2020, 4:11 AM
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HW1.pdf
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Mar 11, 2020, 9:54 AM
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Mar 23, 2020, 3:06 AM
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HW2.pdf
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Mar 23, 2020, 6:44 AM
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Mar 30, 2020, 8:21 AM
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HW3.pdf
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Mar 30, 2020, 9:58 AM
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Apr 12, 2020, 3:56 PM
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HW4.pdf
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Apr 27, 2020, 6:32 AM
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May 11, 2020, 9:23 AM
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HW5.pdf
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May 21, 2020, 8:09 AM
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Jun 4, 2020, 8:10 AM
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HW6.pdf
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May 27, 2020, 3:18 AM
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Jun 16, 2020, 1:52 PM
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Notes.pdf
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Matt Luzum,
Jun 4, 2020, 8:10 AM