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Reliable manipulation of non-Abelian Ising anyons supported by Kitaev spin liquids may enable intrinsically fault-tolerant quantum computation. Here, we introduce a standalone scheme for both generating and detecting individual Ising anyons…

强关联电子 · 物理学 2023-08-11 Gábor B. Halász

The construction of entangling gates with individual addressing capability represents a crucial approach for implementing quantum computation in trapped ion crystals. Conventional entangling gate schemes typically rely on laser beam wave…

We demonstrate a reconfigurable quantum dot gate architecture that incorporates two interchangeable transport channels. One channel is used to form quantum dots and the other is used for charge sensing. The quantum dot transport channel can…

介观与纳米尺度物理 · 物理学 2015-06-29 D. M. Zajac , T. M. Hazard , X. Mi , K. Wang , J. R. Petta

Extremely long coherence times, excellent single-qubit gate fidelities and two-qubit logic have been demonstrated with silicon metal-oxide-semiconductor spin qubits, making it one of the leading platforms for quantum information processing.…

介观与纳米尺度物理 · 物理学 2020-01-14 H. G. J. Eenink , L. Petit , W. I. L. Lawrie , J. S. Clarke , L. M. K. Vandersypen , M. Veldhorst

In this technical note, we address the comments on the energy estimates for Magnetoelectric Spin-orbit (MESO) Logic, a new logic device proposed by the authors. We provide an analytical derivation of the switching energy, and support it…

介观与纳米尺度物理 · 物理学 2017-03-07 Sasikanth Manipatruni , Dmitri E. Nikonov , Huichu Liu , Ian A. Young

To bring Spin Wave (SW) based computing paradigm into practice and develop ultra low power Magnonic circuits and computation platforms, one needs basic logic gates that operate and can be cascaded within the SW domain without requiring back…

介观与纳米尺度物理 · 物理学 2021-06-22 Abdulqader Mahmoud , Frederic Vanderveken , Christoph Adelmann , Florin Ciubotaru , Said Hamdioui , Sorin Cotofana

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…

介观与纳米尺度物理 · 物理学 2017-03-07 Sasikanth Manipatruni , Dmitri E. Nikonov , Ramamoorthy Ramesh , Huichu Li , Ian A. Young

Digital computing currently uses irreversible logic gates whose energy dissipation is fundamentally limited. Reversible logic gates can provide an energy-efficient alternative since they can operate with reversible processes that have no…

超导电性 · 物理学 2020-02-05 Waltraut Wustmann , Kevin D. Osborn

Conventional logic and memory devices are built out of deterministic units such as transistors, or magnets with energy barriers in excess of 40-60 kT. We show that stochastic units, p-bits, can be interconnected to create robust…

介观与纳米尺度物理 · 物理学 2017-07-26 Kerem Yunus Camsari , Rafatul Faria , Brian M. Sutton , Supriyo Datta

A single-electron tunneling (SET) device with a nanoscale central island that can move with respect to the bulk source- and drain electrodes allows for a nanoelectromechanical (NEM) coupling between the electrical current through the device…

介观与纳米尺度物理 · 物理学 2015-06-19 R. I. Shekhter , L. Y. Gorelik , I. V. Krive , M. N. Kiselev , S. I. Kulinich , A. V. Parafilo , K. Kikoin , M. Jonson

In electronics, information has been traditionally stored, processed and communicated using an electron's charge. This paradigm is increasingly turning out to be energy-inefficient, because movement of charge within an…

介观与纳米尺度物理 · 物理学 2009-09-22 Supriyo Bandyopadhyay , Marc Cahay

We report on low-temperature electronic transport measurements of a silicon metal-oxide-semiconductor quantum dot, with independent gate control of electron densities in the leads and the quantum dot island. This architecture allows the dot…

介观与纳米尺度物理 · 物理学 2015-05-14 W. H. Lim , F. A. Zwanenburg , H. Huebl , M. Mottonen , K. W. Chan , A. Morello , A. S. Dzurak

As CMOS nears the end of the projected scaling roadmap, significant effort has been devoted to the search for new materials and devices that can realize memory and logic. Spintronics, is one of the promising directions for the Post-CMOS…

介观与纳米尺度物理 · 物理学 2016-11-18 Zoha Pajouhi , Swagath Venkataramani , Karthik Yogendra , Anand Raghunathan , Kaushik Roy

The advanced complex electronic systems increasingly demand safer and more secure hardware parts. Correspondingly, fault injection became a major verification milestone for both safety- and security-critical applications. However, fault…

硬件体系结构 · 计算机科学 2021-03-10 Ahmet Cagri Bagbaba , Maksim Jenihhin , Raimund Ubar , Christian Sauer

We propose and theoretically analyze a novel metal-oxide-semiconductor field-effect-transistor (MOSFET) type of spin transistor (hereafter referred to as a spin MOSFET) consisting of a MOS gate structure and half-metallic-ferromagnet (HMF)…

材料科学 · 物理学 2009-11-10 S. Sugahara , M. Tanaka

The basis of synchronous manipulation of individual electrons in solid-state devices was laid by the rise of single-electronics about two decades ago. Ultra-small structures in a low temperature environment form an ideal domain of…

介观与纳米尺度物理 · 物理学 2015-05-13 Jukka P. Pekola , Juha J. Vartiainen , Mikko Mottonen , Olli-Pentti Saira , Matthias Meschke , Dmitri V. Averin

Memcomputing logic gates generalize the traditional Boolean logic gates for operation in the reverse direction. According to the literature, this functionality enables the efficient solution of computationally-intensive problems including…

新兴技术 · 计算机科学 2024-02-02 Y. V. Pershin

Spin waves are excitations in ferromagnetic media that have been proposed as information carriers in hybrid spintronic devices with much lower operation power than conventional charge-based electronics. Their wave nature can be exploited in…

Electrostatic gating confines and controls the transport of electrons in integrated circuits. Magnons, the quanta of spin waves of the magnetic order, are promising alternative information carriers, but difficult to gate. Here we report…

介观与纳米尺度物理 · 物理学 2022-09-21 Tao Yu , Gerrit E. W. Bauer

We report on the experimental investigation of an individual pseudomolecule using trapped ions with adjustable magnetically induced J-type coupling between spin states. Resonances of individual spins are well separated and are addressed…