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Related papers: A majority gate with chiral magnetic solitons

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The chirality-induced spin selectivity (CISS) effect has garnered significant interest in the field of molecular spintronics due to its potential for creating spin-polarized electrons without the need for a magnet. Recent studies devoted to…

To push commercial electronics beyond its current size limits, atomic-scale communication channels and logic units need to be designed, making the use of quantum entities an imperative. In this regime, quantum fluctuations naturally become…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Leonardo Banchi , Joaquin Fernandez-Rossier , Cyrus F. Hirjibehedin , Sougato Bose

Stateful logic is a promising processing-in-memory (PIM) paradigm to perform logic operations using emerging nonvolatile memory cells. While most stateful logic circuits to date focused on technologies such as resistive RAM, we propose two…

Emerging Technologies · Computer Science 2022-08-02 Barak Hoffer , Shahar Kvatinsky

We propose a method for acting on the spin state of a spin-1/2 localized particle, or `qubit', by means of a magnetic signal effectively generated by the nearby transit of a magnetic soliton, there conveyed through a transmission line. We…

Materials Science · Physics 2015-09-30 Alessandro Cuccoli , Davide Nuzzi , Ruggero Vaia , Paola Verrucchi

We study an electrically controlled quantum spin Hall antidot embedded in a two-dimensional topological insulating bar. Helical edge states around the antidot and along the edges of the bar are tunnel coupled. The close connection between…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Giacomo Dolcetto , Fabio Cavaliere , Dario Ferraro , Maura Sassetti

We consider two distant spin qubits in quantum dots, both coupled to a two-dimensional topological ferromagnet hosting chiral magnon edge states at the boundary. The chiral magnon is used to mediate entanglement between the spin qubits,…

Mesoscale and Nanoscale Physics · Physics 2022-12-21 Bence Hetényi , Alexander Mook , Jelena Klinovaja , Daniel Loss

We show that superconducting correlations in the presence of non-zero condensate velocity can mediate the peculiar interaction between localized spins that breaks the global inversion symmetry of magnetic moments. The proposed interaction…

Superconductivity · Physics 2018-11-26 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

The spiral handedness of magnetic moments, referred to as chirality, gives rise to emergent electromagnetic phenomena in helimagnets. In insulating helimagnets, known as multiferroics, the cycloidal spin structure induces electric…

Materials Science · Physics 2025-12-08 Hidetoshi Masuda , Yutaro Yanagisawa , Kazuki Ohishi , Yusuke Nambu , Yoichi Nii , Yoshinori Onose

A metallic disk with strong spin orbit interaction is investigated . The finite disk geometry introduces a confining potential. Due to the strong spin-orbit interaction and confining potential the metal disk is described by an effective one…

Strongly Correlated Electrons · Physics 2016-04-20 D. Schmeltzer

Topological insulators are candidates to open up a novel route in spin based electronics. Different to traditional ferromagnetic materials, where the carrier spin-polarization and magnetization are based on the exchange interaction, the…

Transistors are key elements for enabling computational hardware in both classical and quantum domains. Here, we propose a voltage-gated spin transistor using itinerant electrons in the Hubbard model which acts at the level of single…

Quantum Physics · Physics 2021-12-03 Rozhin Yousefjani , Sougato Bose , Abolfazl Bayat

Chiral edge states are highly sought-after as paradigmatic topological states relevant to both quantum information processing and dissipationless electron transport. Using superconducting transmon-based quantum computers, we demonstrate…

Strongly Correlated Electrons · Physics 2022-09-30 Jin Ming Koh , Tommy Tai , Ching Hua Lee

Implication logic gates that are based on volatile memristors are demonstrated experimentally with the use of relay-based volatile memristor emulators of an original design. The fabricated logic circuit involves two volatile memristors and…

Emerging Technologies · Computer Science 2019-09-18 Y. V. Pershin

Chirality refers to a geometric phenomenon in which objects are not superimposable on their mirror image. Structures made of nano-scale chiral elements can display chiroptical effects, such as dichroism for left- and right- handed…

Optics · Physics 2020-02-25 Behrooz Semnani , Jeremy Flannery , Rubayet Al Maruf , Michal Bajcsy

Realization of novel topological phases in magnonic band structures represents a new opportunity for the development of spintronics and magnonics with low power consumption. In this work, we show that in antiparallelly aligned magnetic…

Mesoscale and Nanoscale Physics · Physics 2024-04-16 Zhongqiang Hu , Liang Fu , Luqiao Liu

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

Chiral molecular systems offer unique pathways to control spin and magnetism beyond conventional symmetry operations. Here, we demonstrate that chiral ionic liquids enable electric-field modulation of two-dimensional (2D) ferromagnetism in…

Mesoscale and Nanoscale Physics · Physics 2026-04-10 Hideki Matsuoka , Amaki Moriyama , Tomohiro Hori , Yoshinori Tokura , Yoshihiro Iwasa , Shu Seki , Masayuki Suda , Naoya Kanazawa

In the quest for novel, scalable and energy-efficient computing technologies, many non-charge based logic devices are being explored. Recent advances in multi-ferroic materials have paved the way for electric field induced low energy and…

Emerging Technologies · Computer Science 2016-11-24 Akhilesh Jaiswal , Kaushik Roy

We demonstrate that nonlinear magnetic solitary excitations (solitons) traveling through a Heisenberg spin chain may be used as a robust tool capable of coherent control of the qubit's state. The physical problem is described by a…

Quantum Physics · Physics 2022-04-05 S. Varbev , I. Boradjiev , R. Kamburova , H. Chamati

We theoretically propose a new route to control magnetic and topological orders in a broad class of insulating magnets with a DC electric field. We show from the strong-coupling expansion that magnetic exchange interactions along the…

Strongly Correlated Electrons · Physics 2019-08-28 Kazuaki Takasan , Masahiro Sato
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