Squeezed coherent state
Type of quantum state
Squeezed coherent state
In physics, a squeezed coherent state is a quantum state that is usually described by two non-commuting observables having continuous spectra of eigenvalues. Examples are position x {\displaystyle x} and momentum p {\displaystyle p} of a particle, and the (dimension-less) electric field in the amplitude X {\displaystyle X} (phase 0) and in the mode Y {\displaystyle Y} (phase 90°) of a light wave (the wave's quadratures). The product of the standard deviations of two such operators obeys the uncertainty principle: Δ x Δ p ≥ ℏ 2 {\displaystyle \Delta x\Delta p\geq {\frac {\hbar }{2}}\;} and Δ X Δ Y...
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