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Non-Abelian braiding of lattice bosons
Eliot Kapit1, Paul Ginsparg, Erich Mueller
1Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501, USA. ek359@cornell.edu
Abstract:
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 ν, 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 ν near 1 and 3/2, with Berry matrices, respectively, consistent with Ising and Fibonacci anyons. Near ν=1/2, the braids commute.
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