10 lectures. 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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…the study of how light and matter interact

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Presentation transcript:

10 lectures

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

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

Matter consists of atoms (===> „atomos“) Matter consists of atoms (===> „atomos“)

Atoms in chemistry

1908 Hermann Minkowski time t => ict four-dimensional space-time Lorentz transformations => fourdimensional rotations -- Minkowski space-time --

1916 Einstein Theory of General Relativity

the Minkowski space-time is flat. gravity describes the curvature of space-time strong gravity field => large curvature.

December 14, 1900: lecture of Max Planck at the Physical Society in Berlin Energy of black body radiation ==>>“quanta“

Photo effect: metals absorb light and emit electrons Philipp Lenard: energy of the electrons depends only on the frequency, not on the intensity

interaction of electron with photon: => electric charge e - coupling constant for the electromagnetic interaction -

Arnold Sommerfeld, 1916

fine-structure constant =

nucleus electrons stable orbits

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

model of Bohr model of Bohr

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

uncertainty in location

Uncertainty between energy and time:

uncertainty relation follows from the exact relation:

wave functions of hydrogen

David Hilbert University of Göttingen ~ 1929

simplest model: a particle between two walls