Protective Measurement, Postseletion and the Heisenberg Representation
Yakir Aharonov, Eliahu Cohen
TL;DR
This paper explores protective measurement and post-selection within the Heisenberg representation, offering new insights into quantum statistical mechanics through the use of two-state density operators.
Contribution
It reexamines protective measurement with post-selection in the Heisenberg picture, providing novel perspectives on quantum statistical mechanics.
Findings
Protective measurement can be extended with post-selection.
Quantum statistical mechanics can be described using two-state density operators.
New insights into the Heisenberg representation of quantum measurements.
Abstract
Classical ergodicity retains its meaning in the quantum realm when the employed measurement is protective. This unique measuring technique is reexamined in the case of post-selection, giving rise to novel insights studied in the Heisenberg representation. Quantum statistical mechanics is then briefly described in terms of two-state density operators.
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Taxonomy
TopicsQuantum Mechanics and Applications · History and advancements in chemistry