Quantum spin models with electrons in Penning traps

Details Quantum spin models with electrons in Penning traps Quantum spin models with electrons in Penning traps

2008-05-15

arxiv.org/abs/0805.2413v2

Physics

Quantum Physics

22 pages, 1 figure, added minor changes and typos, accepted for publication in PRA

Scientific paper

10.1103/PhysRevA.78.012338

We propose a scheme to engineer an effective spin Hamiltonian starting from a system of electrons confined in micro-Penning traps. By means of appropriate sequences of electromagnetic pulses, alternated to periods of free evolution, we control the shape and strength of the spin-spin interaction. Moreover, we can modify the effective magnetic field experienced by the particle spin. This procedure enables us to reproduce notable quantum spin systems, such as Ising and XY models. Thanks to its scalability, our scheme can be applied to a fairly large number of trapped particles within the reach of near future technology.

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