Quantum of action: Planck, Einstein, Heisenberg.
a)
Planck united together two formulas ( Rayleigh–Jeansfor
for long and Wien's for short wavelengths) and then divided them.
He was himself very surprised when the result was found correct.
And after that came . . . .
: " . . . some weeks of the hardest work of my life . . ."
The result was – quantum of action (as energy multiply time: h=Et)
The coefficient (h) was not in Rayleigh–Jeansfor or Wien's formulas.
Planck took unit (h) as in some books is written:
"intuitively, instinctively, phenomenologically"
b)
In 1905 Einstein introduced unit (h) in different way.
Einstein wrote it as: h=kb
(Boltzmann coefficient multiply Wien's displacement constant)
And in 1906 Einstein wrote that Planck's and his results are equal.
But Einstein's formula explains quantum nature more clearly.
c)
In 1925 Heisenberg went a step further.
He discovered "the uncertainty principle" (HUP): Et>h*
==…
a)
Planck united together two formulas ( Rayleigh–Jeansfor
for long and Wien's for short wavelengths) and then divided them.
He was himself very surprised when the result was found correct.
And after that came . . . .
: " . . . some weeks of the hardest work of my life . . ."
The result was – quantum of action (as energy multiply time: h=Et)
The coefficient (h) was not in Rayleigh–Jeansfor or Wien's formulas.
Planck took unit (h) as in some books is written:
"intuitively, instinctively, phenomenologically"
b)
In 1905 Einstein introduced unit (h) in different way.
Einstein wrote it as: h=kb
(Boltzmann coefficient multiply Wien's displacement constant)
And in 1906 Einstein wrote that Planck's and his results are equal.
But Einstein's formula explains quantum nature more clearly.
c)
In 1925 Heisenberg went a step further.
He discovered "the uncertainty principle" (HUP): Et>h*
==…