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1 code implementation • 8 Jan 2021 • Vlad Gheorghiu, Michele Mosca, Priyanka Mukhopadhyay

We get an algorithm with space and time complexity $O\left(\left(4^{n^2}\right)^{\lceil d/c\rceil}\right)$ and $O\left(\left(4^{n^2}\right)^{(c-1)\lceil d/c\rceil}\right)$ respectively, where $d$ is the minimum T-depth and $c\geq 2$ is a constant.

Quantum Physics

no code implementations • 24 Nov 2020 • Vlad Gheorghiu, Sarah Meng Li, Michele Mosca, Priyanka Mukhopadhyay

While mapping a quantum circuit to the physical layer one has to consider the numerous constraints imposed by the underlying hardware architecture.

Quantum Physics

2 code implementations • 12 Dec 2019 • Matthew Amy, Vlad Gheorghiu

We describe 'staq', a full-stack quantum processing toolkit written in standard C++.

Quantum Physics

no code implementations • 3 Apr 2019 • Beatrice Nash, Vlad Gheorghiu, Michele Mosca

In this work we construct a circuit synthesis scheme that takes as input the qubit connectivity graph and a quantum circuit over the gate set generated by $\{\text{CNOT}, R_{Z}\}$ and outputs a circuit that respects the connectivity of the device.

Quantum Physics

1 code implementation • 4 Feb 2019 • Olivia Di Matteo, Vlad Gheorghiu, Michele Mosca

In some cases, the cost of such quantum random-access memory (qRAM) is the limiting factor in the implementation of the algorithm.

Quantum Physics

no code implementations • 11 Feb 2015 • Srinivasan Arunachalam, Vlad Gheorghiu, Tomas Jochym-O'Connor, Michele Mosca, Priyaa Varshinee Srinivasan

We introduce a circuit model for the quantum bucket brigade architecture and argue that quantum error correction for the circuit causes the quantum bucket brigade architecture to lose its primary advantage of a small number of "active" gates, since all components have to be actively error corrected.

Quantum Physics

1 code implementation • 15 Dec 2014 • Vlad Gheorghiu

Quantum++ is a modern general-purpose multi-threaded quantum computing library written in C++11 and composed solely of header files.

Quantum Physics Computational Physics

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