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Physics
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Quantum Theory
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Heisenberg Uncertainty Principle
Heisenberg Uncertainty Principle
A fundamental limit to the precision with which certain pairs of physical properties, such as position and momentum, can be known.
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The statement of the theorem
σ
x
σ
p
≥
ℏ
2
\sigma_x \sigma_p \ge \frac{\hbar}{2}
σ
x
σ
p
≥
2
ℏ
.