Unification of sciences A P C B - usm.uni-muenchen.de · A P C B Johannes Kepler 1602, 1609, 1619...

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A P C B

Johannes Kepler 1602, 1609, 1619

Galileo Galilei 1590, 1638

Isaac Newton 1666, 1687

Unification of sciences

A P C B Spectroscopy

Joseph von Fraunhofer 1787 – 1826

Approximavit Sidera

1814

Hα Na Fe Hβ Fe,Ca Ca Bestimmung des Brechungs- und Farbenzerstreuungs-Vermögens

verschiedener Glasarten, in Bezug auf die Vervollkommung achromatischer Fernröhre

Denkschriften der königlichen Akademie der Wissenschaften zu München, V., 193-226, 1817

"The most remarkable discovery in all of astronomy is that the stars are made of atoms of the same kind as those on the earth."

Feynman Lectures on Physics I, 3-6 (1963)

Mars, Venus,Sirius, Castor, Pollux, Capella, Betelgeuse, Procyon

(2) Orders of magnitude and symmetry the two pillars of spectroscopy

September 26, Monday 14:00 -

Koichi Shimoda 1920 -

Orders of magnitude

Symmetry

quantitative and approximate

qualitative and accurate

Charles H. Townes 1915-2015

13712

≈=ce!

α

101~4

Mme=κ

Natural constants

e electromagnetics

c special relativity

ħ quantum mechanics me

M G gravitation, general relativity

2H

23

Chandra1MG

ckM ⎟⎠

⎞⎜⎝

⎛⋅=!

dimensionless constants

Fine structure constant Sommerfeld 1916

Born-Oppenheimer constant Born & Oppenheimer 1927

Fine structure constant ce!

2

rmv

re 2

2

2

=

!=mrv cv

ce ~2

!=α

)83

211(

/1422

22

2

⋅⋅⋅⋅+++=−

= ααmccv

mcW

rn ~ re = α2a0

The Born Oppenheimer constant

4Mme=κ ~ 0.1

Wrot = κ4We

J. Chem. Phys. 47, 5410 (1967)

rn ~ re = α2a0