QOperAv, a Code Generator for Generating Quantum Circuits for Evaluating Certain Quantum Operator Averages

Details QOperAv, a Code Generator for Generating Quantum Circuits for Evaluating Certain Quantum Operator Averages QOperAv, a Code Generator for Generating Quantum Circuits for Evaluating Certain Quantum Operator Averages

2010-10-24

arxiv.org/abs/1010.4926v1

Physics

Quantum Physics

5 pages, 5 files(1 .tex, 1 .sty, 1 .pdf, 1 .txt, 1 .xxx)Source code in QOperAv1-5.txt

Scientific paper

This paper introduces QOperAv v1.5, a Java application available for free. (Source code included in the distribution.) QOperAv is a "code generator" for generating quantum circuits. The quantum circuits generated by QOperAv can be used to evaluate with polynomial efficiency the average of $f(A)$ for some simple (that is, computable with polynomial efficiency) function $f$ and a Hermitian operator $A$, provided that we know how to compile $\exp(iA)$ with polynomial efficiency. QOperAv implements an algorithm described in earlier papers, that combines various standard techniques such as quantum phase estimation and quantum multiplexors.

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