Zobrazeno 1 - 10
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pro vyhledávání: '"Mahani, M."'
The design and optimization of optical components, such as Bragg gratings, are critical for applications in telecommunications, sensing, and photonic circuits. To overcome the limitations of traditional design methods that rely heavily on computation
Externí odkaz:
http://arxiv.org/abs/2411.05496
Precisely stabilizing laser frequency is crucial for advancing laser technology and unlocking the full potential of various quantum technologies. Here, we propose a compact device for stabilizing frequency of a semiconductor laser through mode coupli
Externí odkaz:
http://arxiv.org/abs/2406.06269
Acquiring a substantial number of data points for training accurate machine learning (ML) models is a big challenge in scientific fields where data collection is resource-intensive. Here, we propose a novel approach for constructing a minimal yet hig
Externí odkaz:
http://arxiv.org/abs/2312.02012
In this study, by engineering the molecular structure, we optimize the spin Hall conductivity and the spin Hall angle in organics by more than five and three orders of magnitude, respectively. We identify two important characteristics of organic mole
Externí odkaz:
http://arxiv.org/abs/2002.11092
Akademický článek
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Publikováno v:
J. Phys. Chem. C, 121, 10317 (2017)
Conducting polymers have become standard engineering materials, used in manyelectronic devices. Despite this, there is a lack of understanding of the microscopicorigin of the conducting properties, especially at realistic device field strengths. Wepr
Externí odkaz:
http://arxiv.org/abs/1704.08519
Autor:
Borlenghi, Simone, Mahani, M. R., Fangohr, Hans, Franchin, Matteo, Delin, Anna, Fransson, Jonas
Publikováno v:
Phys. Rev. B 96, 094428 (2017)
We present a simple and fast method to simulate spin-torque driven magnetisation dynamics in nano-pillar spin-valve structures. The approach is based on the coupling between a spin transport code based on random matrix theory and a micromagnetics fin
Externí odkaz:
http://arxiv.org/abs/1703.08959
We describe a mechanism to control energy and magnetisation currents in an artificial spin-chain, consisting of an array of Permalloy nano-disks coupled through the magneto-dipolar interaction. The chain is kept out of equilibrium by two thermal bath
Externí odkaz:
http://arxiv.org/abs/1604.06572
Publikováno v:
Phys. Rev. B 92, 045304, 2015
We investigate theoretically the effect of nearby As (arsenic) vacancies on the magnetic properties of substitutional Mn (manganese) impurities on the GaAs (110) surface, using a microscopic tight-binding model which captures the salient features of
Externí odkaz:
http://arxiv.org/abs/1412.3938
Publikováno v:
Phys. Rev. B 90, 245406 (2014)
We present results of tight-binding spin-dynamics simulations of individual and pairs of substitutional Mn impurities in GaAs. Our approach is based on the mixed quantum-classical scheme for spin dynamics, with coupled equations of motions for the qu
Externí odkaz:
http://arxiv.org/abs/1410.5978