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Related papers: Purely magnetic logic based on polarized spin wave…

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Spin Waves (SWs) propagate through magnetic waveguides and interfere with each other without consuming noticeable energy, which opens the road to new ultra-low energy circuit designs. In this paper we build upon SW features and propose a…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 Abdulqader Mahmoud , Frederic Vanderveken , Florin Ciubotaru , Christoph Adelmann , Sorin Cotofana , Said Hamdioui

Reversible logic can provide lower switching energy costs relative to all irreversible logic, including those developed by industry in semiconductor circuits, however, more research is needed to understand what is possible. Superconducting…

Superconductivity · Physics 2023-05-11 Kevin D. Osborn , Waltraut Wustmann

Spin waves are perturbations in the relative orientation of magnetic moments in a continuous magnetic system, which have been proposed as a new kind of information carrier for spin-based low power applications. For this purpose, a major…

Mesoscale and Nanoscale Physics · Physics 2017-06-20 Michele Voto , Luis Lopez-Diaz , Eduardo Martinez

As nanoelectronics approaches the nanometer scale, a massive effort is underway to identify the next scalable logic technology beyond Complementary Metal Oxide Semiconductor (CMOS) computing. Such computing technology needs to improve…

Mesoscale and Nanoscale Physics · Physics 2017-03-07 Sasikanth Manipatruni , Dmitri E. Nikonov , Ramamoorthy Ramesh , Huichu Li , Ian A. Young

In this paper we discuss the potential of emerging spintorque devices for computing applications. Recent proposals for spinbased computing schemes may be differentiated as all-spin vs. hybrid, programmable vs. fixed, and, Boolean vs.…

Disordered Systems and Neural Networks · Physics 2013-08-19 Kaushik Roy , Mrigank Sharad , Deliang Fan , Karthik Yogendra

Despite much anticipation of valleytronics as a candidate to replace the ageing CMOS-based information processing, its progress is severely hindered by the lack of practical ways to manipulate valley polarization all-electrically in an…

Mesoscale and Nanoscale Physics · Physics 2017-12-15 Yee Sin Ang , Shengyuan A. Yang , C. Zhang , Zhongshui Ma , L. K. Ang

The realization and study of arrays of interacting magnetic nanoislands, such as artificial spin ices, have reached mature levels of control that allow design and demonstration of exotic, collective behaviors not seen in natural materials.…

Disordered Systems and Neural Networks · Physics 2021-11-18 Francesco Caravelli , Cristiano Nisoli

All-optical spin switching is a potential trailblazer for information storage and communication at an unprecedented fast rate and free of magnetic fields. However, the current wisdom is largely based on semiempirical models of effective…

Materials Science · Physics 2017-10-25 G. P. Zhang , Z. Babyak , Y. Xue , Y. H. Bai , Thomas F. George

The control of intrinsic magnetic degrees of freedom is very important as it offers a practical means to manipulate and probe electron spin transport. Tunable spin-orbit effect in quantum wires can in principle serve as a means to achieve…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Andriy H. Nevidomskyy , Karyn Le Hur

We propose a fractionally quantized polarization induced by interlayer sliding in bilayer altermagnets, unveiling a previously unrecognized multiferroic phase termed sliding fractional quantum multiferroicity (SFQM). This unconventional…

Materials Science · Physics 2025-12-29 Jiajun Lu , Mu Tian , Chaoxi Cui , Zhi-Ming Yu , Run-Wu Zhang , Yugui Yao

Novel spin transport behavior is theoretically shown to result from replacing the usual metal (or poly-silicon) gate in a silicon field-effect transistor with a ferromagnet, separated from the semiconductor by an ultra-thin oxide. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. P. McGuire , C. Ciuti , L. J. Sham

We describe a method of controlling the spin wave spectra dynamically in a uniform nanostripe waveguide through spin-polarized currents. A stable periodic magnetization structure is observed when the current flows vertically through the…

Materials Science · Physics 2015-06-22 Qi Wang , Huaiwu Zhang , Xiaoli Tang , Hans Fangohr , Feiming Bai , Zhiyong Zhong

Magnetic tunnel junctions (MTJs) interconnected via a continuous ferromagnetic free layer were fabricated for Spin Torque Majority Gate (STMG) logic. The MTJs are biased independently and show magnetoelectric response under spin transfer…

Quantum computation requires many qubits that can be coherently controlled and coupled to each other. Qubits that are defined using lithographic techniques are often argued to be promising platforms for scalability, since they can be…

Mesoscale and Nanoscale Physics · Physics 2020-04-27 L. Petit , H. G. J. Eenink , M. Russ , W. I. L. Lawrie , N. W. Hendrickx , J. S. Clarke , L. M. K. Vandersypen , M. Veldhorst

In this paper, several nanodevices which realize basic single heavy hole qubit operations are proposed and supported by time dependent self consistent Poisson-Schr\"{o}dinger calculations using a four band heavy hole-light hole model. In…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 P. Szumniak , S. Bednarek , J. Pawłowski , B. Partoens

Despite the unprecedented downscaling of CMOS integrated circuits, memory-intensive machine learning and artificial intelligence applications are limited by data conversion between memory and processor. There is a challenging quest for…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 Korbinian Baumgaertl , Dirk Grundler

We propose an implementation of a CNOT quantum gate for quantum computing based on a patterned microcavity polariton system, which can be manufactured using the modern technological facilities. The qubits are encoded in the spin of…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 D. D. Solnyshkov , O. Bleu , G. Malpuech

We present protocols for implementation of universal quantum gates on an arbitrary superposition of quantum states in a scalable solid-state Ising spin quantum computer. The spin chain is composed of identical spins 1/2 with the Ising…

Quantum Physics · Physics 2007-05-23 G. P. Berman , D. I. Kamenev , R. B. Kassman , C. Pineda , V. I. Tsifrinovich

We show the existence of an inherent property of evanescent electromagnetic waves: spin-momentum locking, where the direction of momentum fundamentally locks the polarization of the wave. We trace the ultimate origin of this phenomenon to…

Optics · Physics 2016-05-10 Todd Van Mechelen , Zubin Jacob

We theoretically investigate spin dependent transport in ferromagnetic/normal metal/ferromagnetic single electron transistors by applying master equation calculations using a two dimensional space of states involving spin and charge degrees…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Watson Kuo , C. D. Chen