Authors: Kaiwen Gui, Alexander M. Dalzell, Alessandro Achille, Martin Suchara, Frederic T. Chong

Published on: March 03, 2023

Impact Score: 8.3

Arxiv code: Arxiv:2303.02131

Summary

• What is new: A new deterministic method for preparing arbitrary quantum states with significant improvements in depth and spacetime allocation effectiveness.
• Why this is important: Existing quantum state preparation methods require too many resources in terms of depth and spacetime allocation.
• What the research proposes: A protocol that compiles into CNOT and arbitrary single-qubit gates, achieving optimal results in state preparation with reduced resource requirements.
• Results: The method requires fewer quantum resources, has optimal depth, and efficient spacetime allocation, enabling rapid preparation of multiple disjoint states with minimal ancilla overhead.

Technical Details

Technological frameworks used: Braket for gate-level implementation examples

Models used: Deterministic method for quantum state preparation

Data used: Quantum circuit descriptions, detailed pseudocode

Potential Impact

Quantum computing, specifically companies and markets related to quantum machine learning, Hamiltonian simulation, and solving linear systems of equations.

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