One dimensional quantum walks with memory

  • Authors:
  • Michael McGettrick

  • Affiliations:
  • School of Mathematics, The National University of Ireland, Galway, Galway, Ireland

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2010

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Abstract

We investigate the quantum versions of a one-dimensional random walk, whose correspondingMarkov Chain is of order 2. This corresponds to the walk having a memoryof one previous step. We derive the amplitudes and probabilities for these walks, andpoint out how they differ from both classical random walks, and quantum walks withoutmemory.