1. Lecture 1. Birth of Quantum Mechanics. Historical Background of QM
Lecture 1. Birth of Quantum Mechanics. Historical Background of QM. Experiments, Theories & Student Presentation
Engel, Ch. 1
Ratner & Schatz, Ch. 1
Quantum chemistry, D. A. McQuarrie (1983), Ch. 1
Molecular quantum mechanics, Atkins & Friedman (4th ed. 2005), Ch. 0
Introductory quantum mechanics, R. L. Liboff (4th ed, 2004), Ch. 2
Experiments are the only means of knowledge at our disposal.
The rest is poetry, imagination.
- Max Planck -

2. History of QM: Presentation Plan (Final)
1885 – Johann Balmer – Line spectrum of hydrogen atoms
1886 – Heinrich Hertz – Photoelectric effect experiment
1897 – J. J. Thomson – Discovery of electrons from cathode rays experiment
1900 – Max Planck – Quantum theory of blackbody radiation
1905 – Albert Einstein– Quantum theory of photoelectric effect
1910 – Ernest Rutherford – Scattering experiment with a-particles
1913 – Niels Bohr – Quantum theory of hydrogen spectra
1923 – A. H. Compton – Scattering experiment of photons off electrons
1924 – Wolfgang Pauli – Exclusion principle – Ch. 10
1924 – Louis de Broglie – Matter waves
1925 – Davisson and Germer – Diffraction experiment on wave properties of electrons
1926 – Erwin Schrodinger – Wave equation – Ch. 2
1927 – Werner Heisenberg – Uncertainty principle – Ch. 6
1927 – Max Born – Interpretation of wave function – Ch. 3
particle
wave

3. 1900 – Max Planck: Quantum theory of blackbody radiation
What is a blackbody radiation?
Any example in real life?
What is a classical theory for it?
What is “UV catastrophe”?
What is Planck’s assumption?
How did it resolve the dilemma?
Team 1 : Seongyu - Jonghoon
Team 2 : Najib - Jisu

4. 1886 – Heinrich Hertz: Photoelectric effect experiment
1897 – J. J. (Joseph John) Thomson: Discovery of electrons
1905 – Albert Einstein: Quantum theory of photoelectric effect
1910 – Ernest Rutherford – a-particle scattering experiment
1923 – A. H. Compton: Photon-electron scattering experiment
What is a photoelectric effect?
How was an electron found?
What was the dilemma in the photoelectric effect?
What is Einstein’s assumption?
How did it resolve the dilemma?
Any application of the photoelectric effect in real life?
How did Compton prove Einstein’s theory?
Team 3 : Yongjune – Hanseong – Namsoo
Team 4 : Tam – Hochan
Team 5 : Jeonghyun - Changhoo – Yeonsu

5. 1885 – Johann Balmer – Line spectrum of hydrogen atoms
1913 – Niels Bohr – Theory of atomic spectra
Team 6 :
Daekyeom – Jaewon – Youbin

6. 1924 – Louis de Broglie – Matter waves
1925 – Davisson & Germer – Electron diffraction
1926 – G. P. (George Paget) Thomson – Electron diffraction
1926 – Erwin Schrodinger – Wave equation
Team 7: Jungwoo – Taekheon
Team 8: Cheol – Seonggwang
Team 9: Hyunjin – Namgyu
J. J. Thomson, dad, was awarded the Nobel prize (1906)
for showing that the electron is a particle;
G.P. Thomson, son, was awarded the Nobel prize (1937)
for showing that the electron is a wave.