Institutional Repository
Technical University of Crete
Technical University of Crete
EN
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EL
| URI | http://purl.tuc.gr/dl/dias/70B4B919-1F81-4187-824E-0509FF282F5E | - |
| Identifier | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.012325 | - |
| Identifier | https://doi.org/10.1103/PhysRevA.90.012325 | - |
| Language | en | - |
| Extent | 9 pages | en |
| Title | Quantum simulation of superexchange magnetism in linear ion crystals | en |
| Creator | Ivanov Peter A. | en |
| Creator | Karchev Naoum I. | en |
| Creator | Vitanov, Nikolaĭ | en |
| Creator | Aggelakis Dimitrios | en |
| Creator | Αγγελακης Δημητριος | el |
| Publisher | American Physical Society | en |
| Content Summary | We present a system for the simulation of Heisenberg models with spins s=12 and s=1 with a linear crystal of trapped ions. We show that the laser-ion interaction induces a Jaynes-Cummings-Hubbard interaction between the atomic V-type level structure and the two phonon species. In the strong-coupling regime the collective atom and phonon excitations become localized at each lattice site and form an effective spin system with varying length. We show that the quantum-mechanical superexchange interaction caused by the second-order phonon hopping processes creates a Heisenberg-type coupling between the individual spins. Trapped ions allow to control the superexchange interactions by adjusting the trapping frequencies, the laser intensity, and the detuning. | en |
| Type of Item | Peer-Reviewed Journal Publication | en |
| Type of Item | Δημοσίευση σε Περιοδικό με Κριτές | el |
| License | http://creativecommons.org/licenses/by/4.0/ | en |
| Date of Item | 2015-10-20 | - |
| Date of Publication | 2014 | - |
| Subject | Relativistic quantum field theory | en |
| Subject | quantum field theory | en |
| Subject | relativistic quantum field theory | en |
| Subject | Quantum physics | en |
| Bibliographic Citation | P. A. Ivanov, N. I. Karchev, N. V. Vitanov and D. G. Angelakis, "Quantum simulation of superexchange magnetism in linear ion crystals" Phys. Rew. A, vol. 90, no. 1, Jul. 2014. doi: http://dx.doi.org/10.1103/PhysRevA.90.012325 | en |
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