Zobrazeno 1 - 10
of 6 812
pro vyhledávání: '"A. Åkerman"'
Autor:
Ghanatian, H., Rajabali, M., Khymyn, R., Kumar, A., González, V. H., Farkhani, H., Åkerman, J., Moradi, F.
Nano-constriction spin-Hall nano-oscillators (NC-SHNOs) have garnered considerable interest due to their potential use as efficient and adjustable nano-sized sources of microwave signals, with high-frequency tunability, adaptable design layout, and C
Externí odkaz:
http://arxiv.org/abs/2412.09277
Autor:
Sgarro, Paolo, Ovcharov, Roman, Khymyn, Roman, Ghosh, Sambit, Awad, Ahmad A., Åkerman, Johan, Litvinenko, Artem
We present a frequency tunable magneto-acoustic oscillator (MAO) operating in low-phase-noise and complex dynamical regimes based on a single composite YIG-GGG resonator. The magneto-acoustic resonator (MAR) is based on a YIG (yttrium iron garnet) la
Externí odkaz:
http://arxiv.org/abs/2411.19646
Autor:
Ignesti, Alessandro, Brunetti, Gianfranco, Gullieuszik, Marco, Akerman, Nina, Marasco, Antonino, Poggianti, Bianca M., Li, Yuan, Vulcani, Benedetta, Gitti, Myriam, Moretti, Alessia, Giunchi, Eric, Tomičić, Neven, Bacchini, Cecilia, Paladino, Rosita, Radovich, Mario, Wolter, Anna
The microphysics of the intracluster medium (ICM) in galaxy clusters is still poorly understood. Observational evidence suggests that the effective viscosity is suppressed by plasma instabilities that reduce the mean free path of particles. Measuring
Externí odkaz:
http://arxiv.org/abs/2411.07034
Ultra-fast spectrum analysis concept based on rapidly tuned spintronic nano-oscillators has been under development for the last few years and has already demonstrated promising results. Here, we demonstrate an ultra-fast microwave spectrum analyzer b
Externí odkaz:
http://arxiv.org/abs/2411.03870
Nanoscale self-localized topological spin textures, such as domain walls and skyrmions, are of interest for the fundamental physics of magnets and spintronics applications. Ferrimagnets (FiMs), in the region close to the angular momentum compensation
Externí odkaz:
http://arxiv.org/abs/2410.08018
Autor:
Akerman, Nitzan, Ozeri, Roee
We study and characterize a quasi-continuous dynamical decoupling (QCDD) scheme that effectively suppresses dominant frequency shifts in a multi-ion optical clock. Addressing the challenge of inhomogeneous frequency shifts in such systems, our scheme
Externí odkaz:
http://arxiv.org/abs/2408.05280
Ising machines (IM) have recently been proposed as unconventional hardware-based computation accelerators for solving NP-hard problems. In this work, we present a model for a time-multiplexed IM based on the nonlinear oscillations in a delay line-bas
Externí odkaz:
http://arxiv.org/abs/2406.07197
Autor:
Alemán, A., Awad, A. A., Muralidhar, S., Khymyn, R., Kumar, A., Houshang, A., Hanstorp, D., Åkerman, J.
Optical heterodyne detection is a powerful technique for characterizing a wide range of physical excitations. Here, we use two types of optical heterodyne detection techniques (fundamental and parametric pumping) to microscopically characterize the h
Externí odkaz:
http://arxiv.org/abs/2406.01155
Autor:
Fiorelli, Rafaella, Rajabali, Mona, Méndez-Romero, Roberto, Kumar, Akash, Litvinenko, Artem, Serrano-Gotarredona, Teresa, Moradi, Farshad, Åkerman, Johan, Linares-Barranco, Bernabé, Peralías, Eduardo
Publikováno v:
IEEE Transactions on Electron Devices 2024
As nascent nonlinear oscillators, nano-constriction spin Hall nano-oscillators (SHNOs) represent a promising potential for integration into more complicated systems such as neural networks, magnetic field sensors, and radio frequency (RF) signal clas
Externí odkaz:
http://arxiv.org/abs/2404.10334
Antiferromagnets (AFMs) have great benefits for spintronic applications such as high frequencies (up to THz), high speeds (up to tens of km/s) of magnetic excitations, and field-free operation. Advanced devices will require high-speed propagating spi
Externí odkaz:
http://arxiv.org/abs/2403.13949