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Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields.
Phys Rev Lett
December 2024
Karlsruhe Institute of Technology, IQMT, 76131 Karlsruhe, Germany.
Josephson junction parametric amplifiers have become essential tools for microwave quantum circuit readout with minimal added noise. Even after improving at an impressive rate in the past decade, they remain vulnerable to magnetic fields, which limits their use in many applications such as spin qubits, Andreev and molecular magnet devices, dark matter searches, etc. Kinetic inductance materials, such as granular aluminum (grAl), offer an alternative source of nonlinearity with innate magnetic field resilience.
View Article and Find Full Text PDFExotic Synchronization in Continuous Time Crystals Outside the Symmetric Subspace.
Phys Rev Lett
December 2024
Indian Institute of Technology, Department of Physics, -Bombay, Powai, Mumbai 400076, India.
Exploring continuous time crystals (CTCs) within the symmetric subspace of spin systems has been a subject of intensive research in recent times. Thus far, the stability of the time-crystal phase outside the symmetric subspace in such spin systems has gone largely unexplored. Here, we investigate the effect of including the asymmetric subspaces on the dynamics of CTCs in a driven dissipative spin model.
View Article and Find Full Text PDFGenome Mining and Characterization of Two Novel Probiotic Candidates with Bile Salt Hydrolase Activity.
Biomolecules
January 2025
Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy.
Bile salt hydrolase (BSH; EC 3.5.1.
View Article and Find Full Text PDFNanoscale Mapping of Magnetic Auto-Oscillations with a Single Spin Sensor.
Nano Lett
January 2025
Max Planck Institute for Solid State Research, Heisenbergstr. 1, Stuttgart, 70569, Germany.
Spin Hall nano-oscillators convert DC to magnetic auto-oscillations in the microwave regime. Current research on these devices is dedicated to creating next-generation energy-efficient hardware for communication technologies. Despite intensive research on magnetic auto-oscillations within the past decade, the nanoscale mapping of those dynamics remained a challenge.
View Article and Find Full Text PDFPolariton lattices as binarized neuromorphic networks.
Light Sci Appl
January 2025
Spin-Optics laboratory, St. Petersburg State University, St. Petersburg, 198504, Russia.
We introduce a novel neuromorphic network architecture based on a lattice of exciton-polariton condensates, intricately interconnected and energized through nonresonant optical pumping. The network employs a binary framework, where each neuron, facilitated by the spatial coherence of pairwise coupled condensates, performs binary operations. This coherence, emerging from the ballistic propagation of polaritons, ensures efficient, network-wide communication.
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