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Related papers: A majority gate with chiral magnetic solitons

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We demonstrate a discrete implementation of a wave-based majority gate in a chaotic Life-like cellular automaton. The gate functions via controlling of patterns' propagation into stationary channels. The gate presented is realisable in many…

Emerging Technologies · Computer Science 2021-10-13 Genaro J. Martinez , Andrew Adamatzky , Shigeru Ninagawa , Kenichi Morita

Memory and logic devices that encode information in magnetic domains rely on the controlled injection of domain walls to reach their full potential. In this work, we exploit the chiral coupling induced by the Dzyaloshinskii-Moriya…

Mesoscale and Nanoscale Physics · Physics 2020-03-27 T. Phuong Dao , Marvin Müller , Zhaochu Luo , Manuel Baumgartner , Aleš Hrabec , Laura J. Heyderman , Pietro Gambardella

We propose to design multispin quantum gates in which the input and output two-state systems (spins) are not necessarily identical. We describe the motivations for such studies and then derive an explicit general two-spin interaction…

Quantum Physics · Physics 2014-11-18 Dima Mozyrsky , Vladimir Privman , Steven P. Hotaling

We present a theory of quantum circuits based on logical qubits encoded in chirality of electron spin complexes in lateral gated semiconductor triple quantum dot molecules with one electron spin in each dot. Using microscopic Hamiltonian we…

Strongly Correlated Electrons · Physics 2015-05-18 Chang-Yu Hsieh , Pawel Hawrylak

Spin-orbit torque (SOT) enables efficient electrical control of magnetization, offering a pathway towards low-power spintronic devices. Magnetic topological insulators (TIs), with spin-momentum-locked surface states and intrinsic…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 Ling-Jie Zhou , Deyi Zhuo , Han Tay , Zi-Jie Yan , Pu Xiao , Xiaoda Liu , Bomin Zhang , Cui-Zu Chang

Theoretical constructs of logical gates implemented with plant roots are morphological computing asynchronous devices. Values of Boolean variables are represented by plant roots. A presence of a plant root at a given site symbolises the…

Emerging Technologies · Computer Science 2016-10-17 Andrew Adamatzky , Georgios Sirakoulis , Genaro J. Martinez , Frantisek Baluska , Stefano Mancuso

An impressive success of spintronic applications has been typically realized in metal-based structures which utilize magnetoresistive effects for substantial improvements in the performance of computer hard drives and magnetic random access…

Other Condensed Matter · Physics 2009-11-13 Igor Zutic , Jaroslav Fabian , Steven C. Erwin

Magnetic analogue of electronic gates are advantageous in many ways. There is no electron leakage, higher switching speed and more energy saving in a magnetic logic device compared to a semiconductor one. Recently, we proposed a magnetic…

Mesoscale and Nanoscale Physics · Physics 2019-02-22 Sucheta Mondal , Saswati Barman , Anjan Barman

Memristors are promising next-generation memory candidates that are nonvolatile, possess low power requirements and are capable of nanoscale fabrication. In this article we physically realise and describe the use of organic memristors in…

Emerging Technologies · Computer Science 2012-12-17 Victor Erokhin , Gerard David Howard , Andrew Adamatzky

Current-driven switching of nonvolatile spintronic materials and devices based on spin-orbit torques offer fast data processing speed, low power consumption, and unlimited endurance for future information processing applications. Analogous…

Mesoscale and Nanoscale Physics · Physics 2020-07-23 Nan Zhang , Yi Cao , Yucai Li , Andrew W. Rushforth , Yang Ji , Houzhi Zheng , Kaiyou Wang

Recently several device and circuit design techniques have been explored for applying nano-magnets and spin torque devices like spin valves and domain wall magnets in computational hardware. However, most of them have been focused on…

Disordered Systems and Neural Networks · Physics 2013-08-26 Mrigank Sharad , Charles Augustine , Kaushik Roy

Antiferromagnets are promising materials for future spintronic applications due to their unique properties including zero stray fields, robustness versus external magnetic fields and ultrafast dynamics, which have attracted extensive…

Mesoscale and Nanoscale Physics · Physics 2021-08-18 Xue Liang , Jing Xia , Xichao Zhang , Motohiko Ezawa , Oleg A. Tretiakov , Xiaoxi Liu , Lei Qiu , Guoping Zhao , Yan Zhou

Quasiparticles describe collective excitations in many-body systems, and their symmetry classification is of fundamental importance because they govern physical processes on various timescales, e.g., excited states, transport phenomena, and…

Strongly Correlated Electrons · Physics 2026-05-29 Hiroki Ueda , Abhishek Nag , Carl P. Romao , Mirian García-Fernández , Ke-Jin Zhou , Urs Staub

A diode, a device allowing unidirectional signal transmission, is a fundamental element of logic structures and lies in the heart of modern information systems. Spin wave or magnon, representing a collective quasi-particle excitation of the…

Materials Science · Physics 2016-01-06 Jin Lan , Weichao Yu , Ruqian Wu , Jiang Xiao

The interplay between many-body and spin-orbit effects (SOC) can lead to novel phenomena in solids. Chiral spin modes (CSM) are collective spin excitations that arise from such interplay and connect states with opposite chirality, which,…

Mesoscale and Nanoscale Physics · Physics 2025-09-23 Zhexu Shan , Wenjian Su , Kenji Watanabe , Takashi Taniguchi , Shiyao Zhu , Yuanfeng Xu , Yanhao Tang

As an intriguing ultra-small particle-like magnetic texture, skyrmion has attracted lots of research interests in next-generation ultra-dense and low power magnetic memory/logic designs. Previous studies have demonstrated a single…

Emerging Technologies · Computer Science 2017-02-23 Zhezhi He , Shaahin Angizi , Deliang Fan

We construct single input logic gates using the energy sharing collisions of a minimal number of (three) bright optical solitons associated with the three soliton solution of the integrable Manakov system. As computation requires state…

Exactly Solvable and Integrable Systems · Physics 2016-02-17 M. Vijayajayanthi , T. Kanna , M. Lakshmanan , K. Murali

Magnons, as the most elementary excitations of magnetic materials, have recently emerged as a prominent tool in electrical and thermal manipulation and transport of spin, and magnonics as a field is considered as one of the pillars of…

Spin waves and their quanta magnons open up a promising branch of high-speed and low-power information processing. Several important milestones were achieved recently in the realization of separate magnonic data processing units including…

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