Uncomputation: Difference between revisions

Revision as of 09:42, 18 February 2021

Revision as of 16:30, 22 April 2021

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Uncomputation is a fundamental step in [[quantum computing]] algorithms. Whether or not intermediate effects have been uncomputed affects how states interfere with each other when measuring results.<ref>{{Cite journal|arxiv=quant-ph/0209060|last1=Aaronson|first1=Scott|title=Quantum Lower Bound for Recursive Fourier Sampling|journal=Quantum Information and Computation ():, 00|volume=3|issue=2|pages=165–174|year=2002|bibcode=2002quant.ph..9060A}}</ref>

ThisThe process is primarily motivated by the principle of implicit measurement,<ref>Nielsen, Michael; Chuang, Isaac. "Quantum Computation and Quantum Information"</ref> which states that any value in a temporarygarbage register thatafter isits not useduse in any following operationcomputation may be considered to have been measured,. thus collapsing superposition states.

==References==