النتائج (
الإنجليزية) 3:
[نسخ]نسخ!
At the end of nineteenth Century and early twentieth Century, in which the physical sciences,
scientists encountered a series of problems can not be explained by classical physics,
these problems can be regarded as "a few clouds sunny space", such as the photoelectric effect. The blackbody radiation, etc..
it is these problems to the quantum revolution, Planck, Einstein, Bohr and so on a series of
genius scientist laid the foundations of quantum mechanics in experienced a lot of difficulties. Then De Broglie put forward the concept of material
wave, wave is a kind of probability wave, the probability of the fluctuation dominated, a chance at a time of a point in a space of a
possible.Quantum theory of the view that material does not have a definite position, in
the macro, it displays the position is the average of the probability values of the wave function, before measuring, the
location uncertainty, once the measurement, we can obtain the average value and position. Ding Xue
e the representation theory, uncertainty relation and a series of concepts to further improve the quantum theory [1]. Further study on the quantum
theory, from quantum mechanics to quantum entanglement state of [2-5] is applied to the quantum information system
system [6-7], and then to put forward the two revolution - quantum field theory [8-11],Quantum field theory is often used in condensed matter physics and particle physics
sub, particle system and annihilation of [12-13] mainly particles provides a framework is very effective. Then the scientists put forward radiation excitation of atoms and atomic ground state, in addition to bowel
state, is located in the excited state is unstable, easy to absorb photons and the transition to the high-energy state, will also be radiation
photons and return to the lower energy state or ground state. With the development of physics, physicists first proposed Mollow in the laser field, radiation of two level atom resonance fluorescence spectrum, the standard line for the three peak structure:
A central peak and two symmetrical wing. Then the people around Mollow laser spectrum of [14-20] theory, the fluorescence of V type, expand
lambda and cascade atomic radiation spectrum.
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