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Researchers Find Minimum Position Uncertainty in Broken Symmetry Systems

Quantum ZeitgeistNovember 4, 20263 min read

States normally obeying Heisenberg’s certainty principle now exhibit an exception: zero average momentum alongside measurable positional imprecision. This counterintuitive finding emerges from a new approach to quantizing systems exhibiting broken time symmetries, one that avoids explicitly tracking multiple dynamic branches. A bounded central sector has been identified, flanked by two unbounded sectors, revealing constraints on position uncertainty previously unobserved in these models.

Can classically branch dynamics, where systems seem to follow multiple paths simultaneously, be accurately described with quantum mechanics without explicitly tracking each path? Researchers at Stellenbosch University have now demonstrated this is possible using a ‘reduced phase space’ approach; it simplifies complex calculations by encoding critical information within a unique geometry relating momentum and position. The researchers have…

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