Interaction between hopping and static spins in a discrete network

Francesco Ciccarello, Francesco Ciccarello

Research output: Contribution to journalArticlepeer-review


We consider a process where a spin hops across a discrete network and at certain sites couples to staticspins. While this setting is implementable in various scenarios (e.g. quantum dots or coupled cavities)the physics of such processes is still basically unknown. Here, we take a first step along this line byscrutinizing a two-site and a three-site lattices, each with two static spins. Despite a generally complexdynamics occurs, we show a regime such that the spin dynamics is described by an effective three-spinchain. Tasks such as entanglement generation and quantum state transfer can be achieved accordingly.
Original languageEnglish
Pages (from-to)2538-2543
Number of pages6
Publication statusPublished - 2011

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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