Results 181 to 190 of about 46,082 (278)

Magnetic Hopfions as Local Rotations of the Uniform Magnetization Background

open access: yesphysica status solidi (RRL) – Rapid Research Letters, EarlyView.
The Hopf mapping of 3D coordinate space to the unit sphere m2 = 1 in the magnetization space m(r) can be parametrized by some angles. These angles are used to define a local rotation matrix to restore the hopfion magnetization configuration from the uniformly magnetized state for any Hopf indices.
Konstantin Y. Guslienko
wiley   +1 more source

Substrate‐Versatile and Stress‐Free Tellurization of PtTe2 Films

open access: yesphysica status solidi (RRL) – Rapid Research Letters, EarlyView.
A two‐step (platinum deposition followed by tellurization) scalable process that can be easily combined with lithographic techniques is developed for the growth of PtTe2 films. By optimizing a slower tellurization thermal ramp, stress‐free PtTe2 growth both on silicon and dielectric substrates is achieved, proving substrate versatility.
Matteo Gardella   +7 more
wiley   +1 more source

Statistical Complexity of Quantum Learning

open access: yesAdvanced Quantum Technologies, EarlyView.
The statistical performance of quantum learning is investigated as a function of the number of training data N$N$, and of the number of copies available for each quantum state in the training and testing data sets, respectively S$S$ and V$V$. Indeed, the biggest difference in quantum learning comes from the destructive nature of quantum measurements ...
Leonardo Banchi   +3 more
wiley   +1 more source

Development of a Grasshopper‐Leg‐Inspired Back‐Type Exoskeleton for the Reduction of Muscle Activation During Stoop Activities

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Farmers frequently suffer from musculoskeletal disorders, particularly lower back pain (LBP), mainly due to occupational ergonomic factors such as repetitive stooping and lifting. This study proposes using an exoskeleton to reduce LBP risk by providing external torque to the hip joints.
Dang Khanh Linh Le, Wei Chih Lin
wiley   +1 more source

Spectral decomposition unlocks ascidian morphogenesis. [PDF]

open access: yesElife
Dokmegang J   +4 more
europepmc   +1 more source

MXene‐Based Flexible Memory and Neuromorphic Devices

open access: yesSmall, EarlyView.
The unique two‐dimensional structure, excellent electrical conductivity, and diverse surface groups of MXenes have garnered significant attention. Coupled with their exceptional flexibility, MXene‐based devices hold immense potential for flexible memory and neuromorphic systems. This review comprehensively discusses the fundamentals of flexible devices,
Yan Li   +13 more
wiley   +1 more source

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