Asset Details
Do you wish to reserve the book?
Intrinsically energy-dependent spin dynamics in ultrafast demagnetization
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
Intrinsically energy-dependent spin dynamics in ultrafast demagnetization
Do you wish to request the book?
Intrinsically energy-dependent spin dynamics in ultrafast demagnetization
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
Intrinsically energy-dependent spin dynamics in ultrafast demagnetization
2025
Overview
Ultrafast magnetization dynamics has the potential to spark a new era of information technology by harnessing the interaction between spin and light. Recent studies indicate a complex interplay between the microscopic spin and band structure dynamics and the magneto-optical signals, which are typically exploited in experiments. Using a kinetic model based on microscopic Boltzmann collision integrals, we demonstrate that the spin dynamics are intrinsically energy-dependent due to the non-equilibrium dynamics of carrier distributions and the band structure. We find that the energy-resolved spin dynamics of unoccupied states (holes) differs strongly from those of the electrons. This has major implications for the magneto-optical response, which we reveal to be determined by hole dynamics on early timescales and by electron dynamics on longer timescales.
Energy-resolved optical experiments of ultrafast magnetization dynamics indicate a complex interplay between the spin and band structure dynamics and the magneto-optical signal. In this paper, the authors demonstrate that the spin dynamics are intrinsically energy-dependent and that the magneto-optical response is determined by nonequilibrium hole dynamics on early timescales.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
