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Published byBeatrice Dixon Modified over 9 years ago
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10 lectures
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Mo 3 pm Mon 3 pm Tue 3 pm Wed 3 pm ( 2 x 45 ) Wed 3 pm ( 2 x 45) Thu 3 pm Fri 3 pm
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1. Quantum Physics 1. Quantum Physics 2. Quantum Theory 2. Quantum Theory 3. Dirac equation – gauge theories 3. Dirac equation – gauge theories 4. Isospin, SU(3), quarks 4. Isospin, SU(3), quarks 5. SSB and electroweak interactions 5. SSB and electroweak interactions 6. Flavor mixing and CP-violation 6. Flavor mixing and CP-violation 7. QCD 7. QCD 8. Grand unification 8. Grand unification 9. Composite weak bosons 9. Composite weak bosons 10. F undamental constants 10. F undamental constants
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Matter consists of atoms (===> „atomos“) Matter consists of atoms (===> „atomos“)
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Atoms in chemistry
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1908 Hermann Minkowski time t => ict four-dimensional space-time Lorentz transformations => fourdimensional rotations -- Minkowski space-time --
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1916 Einstein Theory of General Relativity
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the Minkowski space-time is flat. gravity describes the curvature of space-time strong gravity field => large curvature.
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December 14, 1900: lecture of Max Planck at the Physical Society in Berlin Energy of black body radiation ==>>“quanta“
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Photo effect: metals absorb light and emit electrons Philipp Lenard: energy of the electrons depends only on the frequency, not on the intensity
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interaction of electron with photon: => electric charge e - coupling constant for the electromagnetic interaction -
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Arnold Sommerfeld, 1916
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fine-structure constant =0.00729735253
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nucleus electrons stable orbits
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only discrete orbits are allowed - on these orbits no energy is emitted. => stationary orbits transitions from one discrete orbit to another one is possible emission of a specific energy
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model of Bohr model of Bohr
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L. de Broglie: L. de Broglie: „particles“ „particles“ are particles and waves at the same time - as light are particles and waves at the same time - as light
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uncertainty in location
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Uncertainty between energy and time:
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uncertainty relation follows from the exact relation:
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wave functions of hydrogen
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David Hilbert University of Göttingen ~ 1929
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simplest model: a particle between two walls
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