### Lecture 5:

##### Lecture Details :

(November 2, 2009) Leonard Susskind gives the fifth lecture of a three-quarter sequence of courses that will explore the new revolutions in particle physics. In this lecture he continues on the subject of quantum field theory, more specifically, energy conservation, waves and fermions.

Leonard Susskind, Felix Bloch Professor of Physics, received a PhD from Cornell University and has taught at Stanford since 1979. He has won both the Pregel Award from the New York Academy of Science and the J.J. Sakurai Prize in theoretical particle physics. He is also a member of the National Academy of Sciences.

Stanford University:

http://www.stanford.edu/

Stanford Continuing Studies Program

http://csp.stanford.edu/

Stanford University Channel on YouTube:

http://www.youtube.com/stanford

##### Course Description :

Basic definitions, natural units (setting c and \hbar to 1) - Wave basics, intro to QFT in the context of the harmonic oscillator, eliminating infinities by using periodic boundary conditions - Wave basics, intro to QFT in the context of the harmonic oscillator, eliminating infinities by using periodic boundary conditions - Energy conservation, waves, and fermions - The diary equations and Higgs Particles - Theory and mathematics of angular momentum - Theory and mathematics of particle spin and half spin, the Dirac equation, and isotopic spin - Theory and mathematics of particle spin and half spin, the Dirac equation, and isotopic spin -

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