@article{
 title = {Relaxation and decoherence of qubits encoded in collective states of engineered magnetic structures},
 type = {article},
 year = {2017},
 identifiers = {[object Object]},
 pages = {094410},
 volume = {96},
 websites = {http://arxiv.org/abs/1706.08364,https://link.aps.org/doi/10.1103/PhysRevB.96.094410},
 month = {9},
 day = {11},
 id = {beb2f4d3-64f0-3901-9b8f-231420ddc85a},
 created = {2017-08-30T11:11:35.207Z},
 file_attached = {true},
 profile_id = {29e45dc8-9183-33d2-9a32-ee061689aa68},
 last_modified = {2018-10-09T16:20:40.714Z},
 read = {true},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {Shakirov2017},
 folder_uuids = {d24737d3-1d91-4f66-a56c-17a4c42cda07,dbf9c77f-96ae-48de-b1c0-6f0a6bf796ca,e514450a-3478-42ff-997d-e6c65415c941,382d62f0-05e5-4a13-9a8f-8b4aa97ce1ae},
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 abstract = {The quantum nature of a microscopic system can only be revealed when it is sufficiently decoupled from surroundings. Interactions with the environment induce relaxation and decoherence that turn the quantum state into a classical mixture. Here, we study the timescales of these processes for a qubit encoded in the collective state of a set of magnetic atoms deposited on a metallic surface. For that, we provide a generalization of the commonly used definitions of $T_1$ and $T_2$ characterizing relaxation and decoherence rates. We calculate these quantities for several atomic structures, including a collective spin, a setup implementing a decoherence-free subspace and two examples of spin chains. Our work contributes to the comprehensive understanding of the relaxation and decoherence processes and shows the advantages of the implementation of a decoherence free subspace in these setups.},
 bibtype = {article},
 author = {Shakirov, Alexey M. and Rubtsov, Alexey N. and Lichtenstein, Alexander I. and Ribeiro, Pedro},
 journal = {Physical Review B},
 number = {9}
}

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