Squeezed coherent state

（重定向自Squeezed state）

Animated position-wavefunction of an 2dB amplitude-squeezed coherent state of α=3.

Figure 1:
Measured quantum noise of the electric field of different squeezed states depends on the phase of the light field. For the first two states a 3π-interval is shown; for the last three states, belonging to a different set of measurements, it is a 4π-interval.[6]

Figure 2: Oscillating wave packets of the five states.

In physics, a squeezed coherent state is any state of the quantum mechanical Hilbert space such that the uncertainty principle is saturated. That is, the product of the corresponding two operators takes on its minimum value:

The simplest such state is the ground state $|0\rangle$ of the quantum harmonic oscillator. The next simple class of states that satisfies this identity are the family of coherent states $|\alpha\rangle$ .

单词	Squeezed state
释义	Squeezed state 原声例句经济学人（汇总） Anecdotal evidence suggests that the state is squeezing the donju, North Korea's new successful class of traders. 民间传闻，政府正在打压donju。donju是指朝鲜新兴的成功贸易商阶层。英语百科 Squeezed coherent state （重定向自Squeezed state） In physics, a squeezed coherent state is any state of the quantum mechanical Hilbert space such that the uncertainty principle is saturated. That is, the product of the corresponding two operators takes on its minimum value: The simplest such state is the ground state $\|0\rangle$ of the quantum harmonic oscillator. The next simple class of states that satisfies this identity are the family of coherent states $\|\alpha\rangle$ .
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