النتائج (
الصينية) 2:
[نسخ]نسخ!
Late 19th and early 20th century,
in which the physical sciences,
scientists have encountered a series of classical physics can not explain the problem,
the problem is seen as a "clear space Jiduo clouds",
such as blackbody radiation, photoelectric effect, and so on.
It is these issues to the arrival of the quantum revolution,
Planck, Einstein, Bohr and a series of talented scientists experienced many difficulties after laying the cornerstone of quantum mechanics. With the proposed matter wave Houdebuluo Italian concept
of matter waves as a probability wave,
the size of the laws of probability by fluctuations dominated
refers to the probability of a point may occur at some point in a space.
Quantum theory point of view there is no substance considered a definite position,
at the macro level,
it is actually showing the location of the mean of the probability wave function, prior to measurement uncertainty in its place, and once measured,
we where it can be obtained and the average value determined.
Schrödinger proposed representation theory, the concept of a series of uncertain relationship to further improve the quantum theory [1].
Further study of the quantum theory,
quantum mechanics put into entangled quantum states [2-5] applied to quantum information systems [6-7],
and then the second revolution - a quantum field theory [8-11] proposed ,
quantum field theory and more used in condensed matter physics and particle physics,
describes the main particle creation and annihilation [12-13] of many-particle systems provide a very effective framework.
Then scientists have proposed atomic excitation and radiation atoms,
ie, in addition to ground-state atomic excited state as well as outside,
the electronic excited state is unstable located,
easily absorbed photon transition to the high-energy state,
will radiate photons return to a lower energy state, or ground state.
With the development of the physical sciences,
such as physicists Mollow first proposed under the action of the laser field, the
two-level atom resonance fluorescence spectrum of radiation,
its standard line of triplet structure:
a central peak and two symmetrical winger.
Then people around Mollow laser spectroscopy [14-20] theory,
expand the V-type, Λ type and cascade out of the fluorescence spectrum of atomic radiation.
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