Zobrazeno 1 - 10
of 1 349
pro vyhledávání: '"Qubit dynamics"'
Autor:
Di Colandrea, Francesco, Jaouni, Tareq, Grace, John, Paneru, Dilip, Arienzo, Mirko, D'Errico, Alessio, Karimi, Ebrahim
The evolution of a quantum system interacting with an environment can be described as a unitary process acting on both the system and the environment. In this framework, the system's evolution can be predicted by tracing out the environmental degrees
Externí odkaz:
http://arxiv.org/abs/2412.04701
We analyze the properties of Krylov state complexity in qubit dynamics, considering a single qubit and a qubit pair. A geometrical picture of the Krylov complexity is discussed for the single-qubit case, whereas it becomes non-trivial for the two-qub
Externí odkaz:
http://arxiv.org/abs/2407.21776
Autor:
Mihov, Ivo S., Vitanov, Nikolay V.
We present a study of the dynamics of a qubit driven by a pulsed field of finite duration. The pulse shape starts and ends linearly in time. The most typical example of such a shape is the sine function between two of its nodes, but several other pul
Externí odkaz:
http://arxiv.org/abs/2404.12236
Publikováno v:
Phys.Rev.A 109, 052219 (2024)
We investigate the dynamics of ergotropy in open systems under Markovian and non-Markovian evolutions. In this scenario, we begin by formulating the ergotropy of an arbitrary qubit state in terms of energy and coherence. Thus, we determine the condit
Externí odkaz:
http://arxiv.org/abs/2403.04698
Any pure state of a qubit can be geometrically represented as a point on the extended complex plane through stereographic projection. By employing successive conformal maps on the extended complex plane, we can generate an effective discrete-time evo
Externí odkaz:
http://arxiv.org/abs/2401.10602
Akademický článek
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Autor:
Nakamura, Kiyoto, Ankerhold, Joachim
Publikováno v:
Phys. Rev. B 109, 014315 (2024)
With increasing performance of actual qubit devices, even subtle effects in the interaction between qubits and environmental degrees of freedom become progressively relevant and experimentally visible. This applies particularly to the timescale separ
Externí odkaz:
http://arxiv.org/abs/2308.06029
Akademický článek
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Autor:
Koutromanos, Dimitris1 (AUTHOR) koutromanosd@gmail.com, Stefanatos, Dionisis1 (AUTHOR), Paspalakis, Emmanuel1 (AUTHOR) paspalak@upatras.gr
Publikováno v:
Information (2078-2489). May2024, Vol. 15 Issue 5, p272. 29p.
We derive damping equations of motion for interacting two-spin states from a spin-boson model in order to examine qubit dynamics in quantum computers. On the basis of the composite operator method, we develop the Caldeira-Leggett approach for open qu
Externí odkaz:
http://arxiv.org/abs/2211.02490