Search for tag: "particles"

00_What_is_QFT

This is lecture 0: what is QFT and how will this course be taught? This provides a short 18 minute description of what the quantum field theory is about, together with a short summary of topics. The…

From  Clifford Burgess 501 plays 0  

English 1F03 Lecture October 28

From  JEFFERY DONALDSON 364 plays 0  

02_IdentPtcl_SHO

Physics 4Q03 Lecture 02. This lecture describes several issues associated with multiple-particle states in quantum mechanics, including the classification of all particles as bosons or fermions and…

From  Clifford Burgess 156 plays 0  

03_Creation_Annihilation

Physics 4Q03 Lecture 03: This lecture provides the foundation of much of what follows: the definition and properties of creation and annihilation operators. These operators provide a basis in terms…

From  Clifford Burgess 135 plays 0  

07_Emission

Physics 4Q03 Lecture 07: This lecture applies Fermi's Golden Rule to evaluate the rate for photon emission by an excited atom. This example is also used to illustrate the phenomenon of…

From  Clifford Burgess 134 plays 0  

08-AbsrbGenNThermalDist

4Q03 Lecture 08: This lecture continues to convert Fermi's Golden Rule to continuum normalization, doing so for a simple absorption process and then for a general scattering process, defining…

From  Clifford Burgess 105 plays 0  

Lecture 1 - Atomic and Nuclear Physics

From  Troy Farncombe 101 plays 0  

28_Klein-Gordon Field and Lagrangians

Physics 4Q03 Lecture 28: This lecture applies the framework of relativistic quantum fields to the simplest case of a spinless particle and constructs the Klein Gordon hamiltonian and some of its…

From  Clifford Burgess 89 plays 0  

09-CoherentState

Physics 4Q03 Lecture 09: This lecture introduces coherent states, and derives them as the eigenstates to which a bosonic system is often driven in the presence of persistent stimulated emission. The…

From  Clifford Burgess 85 plays 0  

04_Fermions_Completeness

Physics 4Q03 Lecture 04: This lecture extends the notions of creation and annihilation operators to fermions, and derives the anticommutation algebra that these satisfy. The lecture also sketches out…

From  Clifford Burgess 85 plays 0  

27-Microcausality

Physics 4Q03 Lecture 27: This lecture describes the logic that determines which fields can be used to represent particles of different spins, and describes the requirement of microcausality and why…

From  Clifford Burgess 84 plays 0  

10-FieldEnergyRenorm

4Q03 Lecture 10: This lecture computes the energy shift of a particle due to its interaction with another, introducing ultraviolet divergences and the concept of renormalization along the way. The…

From  Clifford Burgess 77 plays 0  

PHYS2G03_Algorithms_Order_Sorting

PHYS 2G03 Algorithms raw ppt video

From  JAMES WADSLEY 70 plays 0  

12-PositionSpace Interactions

Physics 4Q03 Lecture 12: This lecture summarizes the position space formalism of the previous lecture and introduces simple self-interactions.

From  Clifford Burgess 66 plays 0  

11-Locality2ndQuantization

4Q03 Lecture 11; This lecture argues why the Hamiltonian should arise as a local function in space, and this is used to motivate the definition of position-space fields. The local form for the…

From  Clifford Burgess 64 plays 0  

Nuclear Medicine - Part 1

From  Troy Farncombe 62 plays 0  

15-Bogliubov

Physics 4Q03 Lecture 15: This lecture describes the leading corrections to the classical BEC, using a Bogoliubov transformation to identify the spectrum of quasiparticle fluctuations about the…

From  Clifford Burgess 58 plays 0  

Lecture 2 - Ionizing Radiation Interactions

From  Troy Farncombe 58 plays 0  

MUCEC 2021 - Ahmad Arefi

Presenter: Ahmad Arefi Supervisor(s): Dr. Michael Thompson Project Description: Solid-liquid dispersions consisting of polymer nanoparticles have several applications such as adhesives, coatings, and…

From  Kushal Panchal 53 plays 0  

13-BE Condensation

Physics 4Q03 Lecture 13: This lecture reviews how to set up averages with statistical mechanics, translating the grand canonical ensemble into the language of occupation number. This is used to…

From  Clifford Burgess 45 plays 0  

14-Semiclassical BEC

Physics 4Q03 Lecture 14: This lecture continues the discussion of Bose Einstein condensation and shows how a semiclassical analysis can allow a calculation of the optimal density of condensed…

From  Clifford Burgess 45 plays 0  

22-CoulombInteraction

Physics 4Q03 Lecture 22: This lecture recaps the previous ones and completes the interactions of a nonrelativistic charged particle to include the Coulomb interaction.

From  Clifford Burgess 44 plays 0  

QFT-Tut-210113

This is the QFT Tutorial for Jan 13, 2021.

From  Clifford Burgess 44 plays 0  

21-EM couplings to charged particles

Physics 4Q03 Lecture 21: This lecture describes how the electromagnetic vector potential (ie photons) couple to nonrelativistic charged particles, constructing the interactions by `gauging' the…

From  Clifford Burgess 40 plays 0