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برق و الکترونیک::
ابرموقعیت
The answer is that a superposition of electron states is required.
Let us consider current flow in a linear superposition state consisting of a simple com- bination of the ground-state wave function, $1, and the first excited-state wave function,
This equation shows that current is carried by a superposition of stationary bound states.
The ability of a linear superposition of stationary states to carry current is due to the symmetry embedded in Eq
The symmetry that gives rise to zero net current flow for a superposition of two identical but counter propagating traveling waves is the same symmetry that creates the standing-wave state or stationary state previously discussed in Sections 3.1 and 3.5.1.
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عمومی::
برهمنهش
This is called a linear superposition, as the different possibilities are added in the state vector Some have tried to escape this view oi reality by claiming that the superposition merely reflects our ignorance Chidden variables').
One could perhaps live with the superposition as real at the submicroscopic, quantum level.
There is a famous thought experiment leading to Schrodinger's cat in a superposition of being dead and being alive.
( 1957; see DeWitt, Graham, eds. 1973), maintains the superposition
The presence of superposition at macroscopic levels has been heavily criticized ( Bell 1981, Stein 1984, Healey 1984, Shimony 1986).
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