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2014 | 126 | 3 | 670-673
Article title

Geometric Phase for Analytically Solvable Driven Time-Dependent Two-Level Quantum Systems

Content
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EN
Abstracts
EN
Geometric phase for novel analytical solutions (Barnes and Das Sarma) of time-dependent two-level quantum systems is discussed, specifically for a general single-axis driving term, which is represented by a function J(t) in the Hamiltonian, and its corresponding evolution operator. It is demonstrated how general results for corresponding phases (total, dynamic and geometric) can be obtained. Using a specific case, it was found that over time in which the driving field is appreciably different from zero, the corresponding geometric phase changes (in the specific example by Δ β ≈ 0.8 radians) thus enabling detection. The results are relevant to qubit control and to quantum computing applications.
Keywords
EN
Year
Volume
126
Issue
3
Pages
670-673
Physical description
Dates
published
2014-08
received
2013-05-11
(unknown)
2014-04-16
(unknown)
2014-05-23
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n305kz
Identifiers
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