4.8 Article

Non-Abelian Braiding of Lattice Bosons

期刊

PHYSICAL REVIEW LETTERS
卷 108, 期 6, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.066802

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资金

  1. Army Research Office
  2. DARPA OLE
  3. NSF [PHY-1068165]
  4. Department of Defense (DoD) through the National Defense Science and Engineering Graduate (NDSEG)
  5. Division Of Physics
  6. Direct For Mathematical & Physical Scien [1068165] Funding Source: National Science Foundation

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We report on a numerical experiment in which we use time-dependent potentials to braid non-Abelian quasiparticles. We consider lattice bosons in a uniform magnetic field within the fractional quantum Hall regime, where v, the ratio of particles to flux quanta, is near 1/2, 1, or 3/2. We introduce time-dependent potentials which move quasiparticle excitations around one another, explicitly simulating a braiding operation which could implement part of a gate in a quantum computation. We find that different braids do not commute for v near 1 and 3/2, with Berry matrices, respectively, consistent with Ising and Fibonacci anyons. Near v = 1/2, the braids commute.

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