English
Related papers

Related papers: Skyrmion Qubits: A New Class of Quantum Logic Elem…

200 papers

Semiconductor quantum dots integrated with ultrafast spectroscopy technology are prime candidates for building scalable architectures for Quantum Information Processing. In this review paper we survey the current state of theoretical…

Quantum Physics · Physics 2007-05-23 Alexandra Olaya-Castro , Neil F. Johnson

Topological quantum computation relies on control of non-Abelian anyons for inherently fault-tolerant storage and processing of quantum information. By now, blueprints for topological qubits are well developed for electrically active…

Strongly Correlated Electrons · Physics 2024-11-14 Kai Klocke , Yue Liu , Gábor B. Halász , Jason Alicea

The network paradigm for quantum computing involves interconnecting many modules to form a scalable machine. Typically it is assumed that the links between modules are prone to noise while operations within modules have significantly higher…

Quantum Physics · Physics 2016-10-05 Ying Li , Simon C. Benjamin

Magnetic skyrmions are topological quasiparticles with great potential for applications in future information storage and processing devices because of their nanoscale size, high stability, and large velocity. Recently, the high-frequency…

Applied Physics · Physics 2019-08-14 Xing Chen , Wang Kang , Daoqian Zhu , Na Lei , Xichao Zhang , Yan Zhou , Youguang Zhang , Weisheng Zhao

Silicon spin qubits in gate-defined quantum dots leverage established semiconductor infrastructure and offer a scalable path toward transformative quantum technologies. Holes spins in silicon offer compact all-electrical control, whilst…

We propose a new quantum-computing scheme using ultracold neutral ytterbium atoms in an optical lattice. The nuclear Zeeman sublevels define a qubit. This choice avoids the natural phase evolution due to the magnetic dipole interaction…

Quantum Physics · Physics 2015-05-13 K. Shibata , S. Kato , A. Yamaguchi , S. Uetake , Y. Takahashi

Spin qubits in semiconductor quantum dots represent a prominent family of solid-state qubits in the effort to build a quantum computer. They are formed when electrons or holes are confined in a static potential well in a semiconductor,…

Mesoscale and Nanoscale Physics · Physics 2022-04-12 Shannon Harvey

Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable the possibility of compact, high density, ultrafast,all-electronic, low-energy devices, which is the basis for the emerging area of skyrmionics. The…

Writing, erasing and computing are three fundamental operations required by any working electronic devices. Magnetic skyrmions could be basic bits in promising in emerging topological spintronic devices. In particular, skyrmions in chiral…

Mesoscale and Nanoscale Physics · Physics 2022-04-06 Weiwei Wang , Dongsheng Song , Wensen Wei , Pengfei Nan , Shilei Zhang , Binghui Ge , Mingliang Tian , Jiadong Zang , Haifeng Du

We show that a wide range of spin clusters with antiferromagnetic intracluster exchange interaction allows one to define a qubit. For these spin cluster qubits, initialization, quantum gate operation, and readout are possible using the same…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Florian Meier , Jeremy Levy , Daniel Loss

A quantal model description of a discrete localized skyrmion singularity embedded in a ferromagnetic environment is proposed. It allows discussing the importance of various parameters in the appearance of a quantal skyrmion singularity.…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 Jean-Pierre Gauyacq , Nicolas Lorente

The technological world is in the midst of a quantum computing and quantum information revolution. Since Richard Feynman's famous "plenty of room at the bottom" lecture, hinting at the notion of novel devices employing quantum mechanics,…

Quantum Physics · Physics 2017-02-14 Jay M. Gambetta , Jerry M. Chow , Matthias Steffen

The strong anharmonicity and high coherence times inherent to fluxonium superconducting circuits are beneficial for quantum information processing. In addition to requiring high-quality physical qubits, a quantum processor needs to be…

We propose and describe a magnetic NanoFabric which provides a route to building reconfigurable spin-based logic circuits compatible with conventional electron-based devices. A distinctive feature of the proposed NanoFabric is that a bit of…

Other Condensed Matter · Physics 2009-11-13 Alexander Khitun , Mingqiang Bao , Kang L. Wang

Skyrmions, which are topologically stable magnetic structures, have manifested promising features to be used as an information carrier in new-age, non-volatile data storage devices. In this article, Co/Pt square nano-structure with Co-free…

Materials Science · Physics 2025-01-23 Tamali Mukherjee , V Satya Narayana Murthy

We propose a mechanical qubit based on buckling nanobars--a NEMS so small as to be quantum coherent.To establish buckling nanobars as legitimate candidates for qubits, we calculate the effective buckling potential that produces the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Sergey Savel'ev , Xuedong Hu , Franco Nori

When the material phases exhibit topological quantum numbers, they host defects protected by the nontrivial topology. Magnetic skyrmions are such ``quantized" objects and although many of them are metals they had been most likely treated in…

Strongly Correlated Electrons · Physics 2024-05-10 Ryo Makuta , Chisa Hotta

The primary obstacle in the field of quantum thermodynamics revolves around the development and practical implementation of quantum heat engines operating at the nanoscale. One of the key challenges associated with quantum working bodies is…

Quantum Physics · Physics 2023-12-12 Vipin Vijayan , L. Chotorlishvili , A. Ernst , M. I. Katsnelson , S. S. P. Parkin , S. K. Mishra

We propose a proof-of-principle experiment to encode one logical qubit in noise protected subspace of three identical spins in a methyl group. The symmetry analysis of the wavefunction shows that this fermionic system exhibits a symmetry…

Quantum Physics · Physics 2017-08-03 Razieh Annabestani , David G. Cory