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Related Experiment Video

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Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
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Scalable implementation of boson sampling with trapped ions.

C Shen1, Z Zhang1, L-M Duan1

  • 1Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA and Center for Quantum Information, IIIS, Tsinghua University, Beijing 100084, China.

Physical Review Letters
|March 4, 2014
PubMed
Summary

We propose a scalable boson sampling method using trapped ions. This quantum computing approach could outperform classical computers, challenging the extended Church-Turing thesis.

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Area of Science:

  • Quantum computing
  • Quantum information science
  • Computational physics

Background:

  • Boson sampling is a classically intractable problem.
  • It involves sampling from a probability distribution defined by matrix permanents.
  • Quantum computation offers a potential solution to such problems.

Purpose of the Study:

  • To propose a scalable implementation of boson sampling.
  • To utilize trapped ions for encoding bosons.
  • To demonstrate a feasible quantum advantage for boson sampling.

Main Methods:

  • Employing local transverse phonon modes of trapped ions to encode bosons.
  • Deterministic preparation of bosons in Fock states.
  • High-efficiency readout and universal mode mixing.

Main Results:

  • A feasible scheme for boson sampling with tens of bosons using current trapped ion technology.
  • Potential to outperform the most powerful classical computers.
  • Provides a pathway to experimentally challenge the extended Church-Turing thesis.

Conclusions:

  • The proposed trapped ion scheme offers a scalable and efficient method for boson sampling.
  • This implementation could provide experimental evidence for quantum computational advantage.
  • It represents a significant step towards disproving the extended Church-Turing thesis.