Exactly solvable time-dependent models of two interacting two-level systems

R. Grimaudo*, A. Messina, H. Nakazato

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Two coupled two-level systems placed under external time-dependent magnetic fields are modeled by a general Hamiltonian endowed with a symmetry that enables us to reduce the total dynamics into two independent two-dimensional subdynamics. Each of the subdynamics is shown to be brought into an exactly solvable form by appropriately engineering the magnetic fields and thus we obtain an exact time evolution of the compound system. Several physically relevant and interesting quantities are evaluated exactly to disclose intriguing phenomena in such a system.

Original languageEnglish
Article number022108
JournalPhysical Review A
Volume94
Issue number2
DOIs
Publication statusPublished - 2016 Aug 9

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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