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Production and Targeting of Monovalent Quantum Dots
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A one-way quantum computer.

R Raussendorf1, H J Briegel

  • 1Theoretische Physik, Ludwig-Maximilians-Universität München, Germany.

Physical Review Letters
|June 1, 2001
PubMed
Summary
This summary is machine-generated.

This study introduces a novel quantum computation method using only one-qubit measurements on entangled cluster states. These measurements effectively program the cluster states, which act as one-way quantum computers.

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Area of Science:

  • Quantum Information Science
  • Quantum Computing Architectures

Background:

  • Entangled states, specifically cluster states, are crucial for advanced quantum information processing.
  • Existing quantum computation models often require complex multi-qubit operations and delicate state preservation.

Purpose of the Study:

  • To propose a simplified quantum computation scheme utilizing only single-qubit measurements.
  • To demonstrate the utility of cluster states as self-contained quantum computing resources.

Main Methods:

  • Utilizing a specific class of entangled states known as cluster states.
  • Implementing a sequence of one-qubit measurements to encode quantum logic operations.
  • Analyzing the process of entanglement destruction as a consequence of measurement.

Main Results:

  • The proposed scheme enables quantum computation through a series of one-qubit measurements.
  • Cluster states function as 'one-way' quantum computers, processing information unidirectionally.
  • The act of measurement imprints the quantum circuit while simultaneously consuming the entanglement.

Conclusions:

  • This measurement-based approach offers a streamlined paradigm for quantum computation.
  • Cluster states provide a robust platform for implementing quantum algorithms via simple measurements.
  • The 'one-way' nature simplifies the control and execution of quantum logic circuits.