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All Journal Kasuari: Physics Education Journal (KPEJ)
Raja Gukguk, Rinarti
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Education Physics

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Fast Forward Method on Single Spin with Rabi Frequency Raja Gukguk, Rinarti; Setiawan, Iwan; Purwanto, Andik
Kasuari: Physics Education Journal (KPEJ) Vol. 7 No. 2 (2024): December 2024
Publisher : Universitas Papua, Jurusan Pendidikan Fisika FKIP Unipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37891/kpej.v7i2.756

Abstract

This research examines the application of the fast forward method to single spin with Rabi frequency. In this study, the electron spin dynamics are examined by accelerating adiabatic quantum dynamics. Through the concept of adiabatic will be obtained unchanged state of the system, at the beginning and end of the evolution of the system. This study aims to obtain an additional Hamiltonian on the concept of accelerated adiabatic quantum dynamics on single spin. The method used is the fast forward method developed by Masuda and Nakamura. The result of this research is to obtain the additional Hamiltonian “equation 54” and the driving magnetic field through the fast forward method “equation 56”. The fast forward method is applied by first obtaining the eigenvalues of the Hamiltonian system. Furthermore, by reviewing the lowest energy state (ground state). It is concluded that this study obtained an additional Hamiltonian term with a driving magnetic field that ensures that a single spin can move from the initial state to the final state in a short time, while maintaining the characteristics of each energy level in the system.
Co-Authors Andik Purwanto Iwan Setiawan