Rabi type oscillations in damped single 2D-quantum dot
Madhuri Mukhopadhyay, Ram Kuntal Hazra, Manas Ghosh, S. Mukherjee,, S.P. Bhattacharyya
TL;DR
This paper develops an analytical model of a damped 2D quantum dot under magnetic field, explaining how damping causes decoherence in Rabi oscillations relevant to quantum systems like Josephson Junctions.
Contribution
It introduces a non-Hermitian Hamiltonian model for damped quantum dots and analyzes the impact of damping on Rabi oscillations.
Findings
Damping leads to decoherence of Rabi oscillations.
The model explains experimental observations in Josephson Junctions.
Analytical solutions describe the damping effects on quantum coherence.
Abstract
We present a quantized model of harmonically confined dot atom with inherent damping in the presence of a transverse magnetic field. The model leads to a non hermitian Hamiltonian in real coordinate. We have analytically studied the effects that damping has on the Rabi type oscillations of the system. The model explains the decoherence of Rabi oscillation in a Josephson Junction.
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Taxonomy
TopicsQuantum and electron transport phenomena · Semiconductor Quantum Structures and Devices · Quantum Information and Cryptography