Quantum dynamics of a two-level system under extrenal field
We present exact analytic solutions for non-linear quantum dynamics of twolevel system (TLS) subject to periodic-in-time external field. >n constructing the exactly solvable models, we use approach where the form of external perturbation is chosen to preserve n integrability constra...
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| Veröffentlicht in: | Збірник наукових праць Інституту проблем моделювання в енергетиці ім. Г.Є. Пухова НАН України |
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| Datum: | 2011 |
| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
Інститут проблем моделювання в енергетиці ім. Г.Є. Пухова НАН України
2011
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/28313 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Quantum dynamics of a two-level system under extrenal field / A. Korostil, Ju.Korostil // Збірник наукових праць Інституту проблем моделювання в енергетиці ім. Г.Є. Пухова НАН України. — К.: ІПМЕ ім. Г.Є. Пухова НАН України, 2011. — Вип. 58. — С. 73-84. — Бібліогр.: 16 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | We present exact analytic solutions for non-linear quantum dynamics of
twolevel
system (TLS) subject to
periodic-in-time external field. >n constructing the
exactly solvable models, we use
approach where the form of external perturbation
is chosen to preserve
n integrability constraint, which yields
single non-linear
differential equation for the ac-field. solution to this equation is expressed in terms
of Jacobi elliptic functions with three independent parameters that allows n to
choose the frequency, average value, and amplitude of the time-dependent field at
will. This form of the ac-drive is especially relevant to the problem of dynamics of
TLS charge defects that cause dielectric losses ?n superconducting qubits.
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| ISSN: | XXXX-0067 |