Coarse-grained dynamics of ac-driven two-state systems

Macr`ı, N. and Giannelli, L. and Rajendran, J. and Paladino, E. and Falci, G. (2022) Coarse-grained dynamics of ac-driven two-state systems. Il nuovo cimento C, 45 (6). pp. 1-4. ISSN 1826-9885

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Abstract

Magnus expansion is used to identify effective Hamiltonians describing the coarse-grained dynamics of more complex problems. Here, we apply this method to a two-level system driven by an AC field. We derive Stark and Bloch-Siegert shifts of both diagonal and off-diagonal entries of the Hamiltonian as a result of coarse graining only.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 06 Sep 2022 13:15
Last Modified: 06 Sep 2022 13:15
URI: http://eprints.bice.rm.cnr.it/id/eprint/22062

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