SU(2)-Symmetric Exactly Solvable Models of Two Interacting Qubits

Autor:	Roberto Grimaudo
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	SU(2) symmetry interacting qubits time-dependent Hamiltonians quantum control dynamical entanglement generation Physics QC1-999
Zdroj:	Physics, Vol 6, Iss 3, Pp 1111-1123 (2024)
Druh dokumentu:	article
ISSN:	2624-8174
DOI:	10.3390/physics6030069
Popis:	This paper presents a two-qubit model derived from an SU(2)-symmetric 4×4 Hamiltonian. The resulting model is physically significant and, due to the SU(2) symmetry, is exactly solvable in both time-independent and time-dependent cases. Using the formal, general form of the related time evolution operator, the time dependence of the entanglement level for certain initial conditions is examined within the Rabi and Landau–Majorana–Stückelberg–Zener scenarios. The potential for applying this approach to higher-dimensional Hamiltonians to develop more complex exactly solvable models of interacting qubits is also highlighted.
Databáze:	Directory of Open Access Journals
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