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7 papers · 2 filters
Memory-keeping effects and forgetfulness in the dynamics of a qubit coupled to a spin chain
T. J. G. Apollaro, C. Di Franco, F. Plastina +1
Using recently proposed measures for non-Markovianity [H. P. Breuer, E. M. Laine, and J. Piilo, Phys. Rev. Lett. {\bf 103}, 210401 (2009)], we study the dynamics of a qubit coupled…
Mimicking the probability distribution of a two-dimensional Grover walk with a single-qubit coin
C. Di Franco, M. McGettrick, Th. Busch
Multi-dimensional quantum walks usually require large coin spaces. Here we show that the non-localized case of the spatial density probability of the two-dimensional Grover walk ca…
Optimal path for a quantum teleportation protocol in entangled networks
C. Di Franco, D. Ballester
Bellman's optimality principle has been of enormous importance in the development of whole branches of applied mathematics, computer science, optimal control theory, economics, dec…
Non-locality of Two Ultracold Trapped Atoms
Thomás Fogarty, John Goold, Mauro Paternostro +1
We undertake a detailed analysis of the non-local properties of the fundamental problem of two trapped, distinguishable neutral atoms which interact with a short range potential ch…
Entanglement generation in spatially separated systems using quantum walk
C. M. Chandrashekar, Sandeep K. Goyal, Subhashish Banerjee
We present a novel scheme to generate entanglement between two spatially separated systems. The scheme makes use of spatial entanglement generated by a single-particle quantum walk…
Phase Evolution in Spatial Dark States
S. McEndoo, S. Croke, J. Brophy +1
Adiabatic techniques using multi-level systems have recently been generalised from the optical case to settings in atom optics, solid state and even classical electrodynamics. The…