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We suggest a nanoelectromechanical setup that generates properly entangled ancillary ("ancilla") qubits for error correction algorithms in quantum computing, demonstrated as an encoder for the three-qubit bit flip code. The setup is based…

Mesoscale and Nanoscale Physics · Physics 2024-04-23 Danko Radić , Leonid Y. Gorelik , Sergei I. Kulinich , Robert I. Shekhter

We present a theoretical study of the dispersion and energy properties of the eigenwaves (TE- and TM- modes) in a four-layer structure composed of a magneto-optical yttrium iron garnet guiding layer on a dielectric substrate covered by a…

The electrical conductance G of magnetostrictive nanocontacts made from Galfenol Fe73Ga27 can be reproducibly switched between on and off states in a low magnetic field of 20 to 30 mT at 10 K. The switching behavior is in agreement with the…

We study sequential tunneling of magnetic excitations in nonitinerant systems (either magnons or spinons) through triangular molecular magnets. It is known that the quantum state of such molecular magnets can be controlled by application of…

Mesoscale and Nanoscale Physics · Physics 2013-07-30 Kevin A. van Hoogdalem , Daniel Loss

The development of new approaches to tuning the resonant magnetic response of simple all-dielectric nanostructures is very important in modern nanophotonics. Here we show that a resonant magnetic octupole (MOCT) response can be obtained by…

Nanomagnetism has recently attracted explosive attention, in particular, because of the enormous potential applications in information industry, e.g. new harddisk technology, race-track memory[1], and logic devices[2]. Recent technological…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Z. Z. Sun , Alexander Lopez , John Schliemann

Spin waves (SWs) have been considered a promising candidate for encoding information with lower power consumption. Here, we propose the dual function SW logic gates based on the electric field controlling the SW propagation in the Fe film…

Applied Physics · Physics 2022-04-20 Kang Wang , Shaojie Hu , Fupeng Gao , Miaoxin Wang , Dawei Wang

We analyze a class of network motifs in which a short, two-node positive feed- back motif is inserted in a three-node negative feedback loop. We demonstrate that such networks can undergo a bifurcation to a state where a stable fixed point…

Molecular Networks · Quantitative Biology 2012-09-10 Weihan Li , Sandeep Krishna , Simone Pigolotti , Namiko Mitarai , Mogens H. Jensen

The relation of the magnetically dead layer and structural defects in ultrafine interacting NiFe2O4 nanoparticles (<d> = 4 nm) have been investigated using transmission electron microscopy, X-ray diffraction, ^57Fe M\"ossbauer spectroscopy,…

Magnetization dynamics in the system of magnetic nanoclusters with randomly distributed properties are studied by means of computer simulations. The main attention is paid to the possibility of coherent magnetization reversal from a…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 P. V. Kharebov , V. K. Henner , V. I. Yukalov

We present a comprehensive numerical study of a six-state clock model with a long-range dipolar type interaction. This model is motivated by the ferroelectric orders in the multiferroic hexagonal manganites. At low temperatures,…

Statistical Mechanics · Physics 2024-12-13 Quentin Simmons , Shi-Zeng Lin , Gia-Wei Chern

We demonstrate that the system of localized magnetic moments in HoNi$_2$B$_2$C can be described by the 4-positional clock model. This model, at a proper choice of the coupling constants, yields several metamagnetic phases in magnetic field…

Condensed Matter · Physics 2009-10-30 V. K. Kalatsky , V. L. Pokrovsky

Rotating the magnetization of a shape anisotropic magnetostrictive nanomagnet with voltage-generated stress/strain dissipates much less energy than most other magnetization rotation schemes, but its application to writing bits in…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Ayan Kumar Biswas , Hasnain Ahmad , Jayasimha Atulasimha , Supriyo Bandyopadhyay

As the demand for high-performance microprocessors increases, the circuit complexity and the rate of data transfer increases resulting in higher power consumption. We propose a clocking architecture that uses a series LC resonance and…

Systems and Control · Electrical Eng. & Systems 2022-05-18 Dhandeep Challagundla , Mehedi Galib , Ignatius Bezzam , Riadul Islam

The recent demonstration of current-driven magnetic domain wall logic [Z. Luo et al., Nature 579:214] was based on a three-input logic gate that was identified as a reconfigurable NAND/NOR function. We reinterpret this logic gate as a…

Emerging Technologies · Computer Science 2020-07-14 Xuan Hu , Brighton A. Hill , Felipe Garcia-Sanchez , Joseph S. Friedman

Current-induced self-sustained magnetization oscillations in spin-torque nano-oscillators (STNOs) are promising candidates for ultra-agile microwave sources or detectors. While usually STNOs behave as a monochrome source, we report here…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 A. Hamadeh , D. Slobodianiuk , R. Moukhader , G. Melkov , V. Borynskyi , M. Mohseni , G. Finocchio , V. Lomakin , R. Verba , G. de Loubens , P. Pirro , O. Klein

Magneto-elastic (or "straintronic") switching has emerged as an extremely energy-efficient mechanism for switching the magnetization of magnetostrictive nanomagnets in magnetic memory, logic and non-Boolean circuits. Here, we investigate…

Mesoscale and Nanoscale Physics · Physics 2019-02-12 Sucheta Mondal , Md Ahsanul Abeed , Koustuv Dutta , Anulekha De , Sourav Sahoo , Anjan Barman , Supriyo Bandyopadhyay

We propose a CNOT gate for quantum computation. The CNOT operation is based on existence of triactive molecules, which in one direction have dipole moment and cause rotation of the polarization plane of linearly polarized light and in…

Quantum Physics · Physics 2011-06-07 Goce Chadzitaskos , Jiri Tolar

Today, almost all information processing is performed using electronic logic circuits operating with up to several gigahertz frequency. All-optical logic, however, that holds the promise to allow up to three orders of magnitude higher speed…

This paper presents the first hardware implementation of bittide, a decentralized clock synchronization mechanism for achieving logical synchrony in distributed systems. We detail the design and implementation of an 8-node bittide network…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-10 Martijn Bastiaan , Christiaan Baaij , Martin Izzard , Felix Klein , Sanjay Lall , Tammo Spalink