Proposed silicon-based quantum-computer architectures have attracted attention because of their promise for scalability and their potential for synergetically utilizing the available resources associated with the existing Si technology infrastructure. First execution of Grovers algorithm on an NMR computer.
Creating The Heart Of A Quantum Computer Developing Qubits Research Development World
Kane 2 proposed the quantum computation by nuclear spins in a semiconductor where the nuclear spin of the dopant atom 31 P implanted into the silicon substrate is a single qubit and the quantum state is measured by detecting the charge of one electron around th.
A silicon based nuclear spin quantum computer. We review the basic physics and operation principles of the silicon-based quantum computer proposed by Kane one of the most promising solid-state quantum computer proposals. That means the electron spin states and nuclear spin states acting as qubits could hold on to their information for long periods of time something that. Here I present a scheme for implementing a quantum-mechanical computer.
Silicon-based quantum computing also offers long coherence times for electron and nuclear spins Kane says. Silicon with SiGe Quantum Dot Spin Conduction electrons are confined in a silicon quantum dot formed at a siliconsilicon-germanium heterostructure interface localised with one or more metal gate electrodes. First silicon-based long-lasting nuclear spin qubit created by quantum researchers By Sebastian Anthony on April 19 2013 at 1116 am Researchers at the.
Doi10103830156 has been cited by the following article. Spontaneous Spin Polarization of Electrons by Diluted Magnetic Heterostructures. The use of an epitaxialy grown and strained silicon provides a very low disorder lattice.
Information is encoded onto the nuclear spins of donor atoms in doped silicon electronic devices. INTRODUCTION The seminal paper by Loss and DiVincenzo 1 outlined essential compo- nents of quantum dot quantum computing QDQC. 1 spin qubits in single electron dots 2 qubit initialization by thermalization in a magnetic field 3 qubit rotations performed using electron spin resonance.
In a Si-based nuclear spin quantum computer the highly coherent quantum states necessary for quantum computation are incorporated into a. We describe in some details how single- and two-qubit operations and readout measurements can in principle be performed for the Kane quantum computer. First working 3-qubit NMR computer.
Nature 393 133137 1998. A silicon-based nuclear magnetic resonance NMR quantum computer using resonant transfer of a single electron for the inter-qubit interaction A A LarionovLEFedichkin andKAValiev Institute of Physics and Technology RAS 34 Nakhimovsky Avenue Moscow 117218 Russia Received 7 July 2001 in final form 22 October 2001 Published 27 November 2001. Kane A silicon-based nuclear spin quantum computer Nature Vol.
Various models for the experimental realization of quantum computation have been prか posed 1. But practical implementation of these machines poses a formidable challenge. A silicon-based nuclear spin quantum computer.
We review the basic physics and operation principles of the silicon-based quantum computer proposed by Kane one of the most promising solid-state quantum computer proposals. Logical operations on individual spins are performed using externally applied electric fields and spin measurements are made using currents of spin-polarized electrons. A silicon-based nuclear spin quantum computer.
Challenge a silicon-based quantum computer is in a unique posi-tion to benefit from the resources and ingenuity being directed towards making conventional electronics of ever smaller size and greater complexity. We describe in some details how single- and two-qubit operations and readout measurements can in principle be performed for the. We review the basic physics and operation principles of the silicon-based quantum computer proposed by Kane one of the most promising solid-state quantum computer proposals.
Bruce Kane proposes a silicon based nuclear spin quantum computer using nuclear spins of individual phosphorus atoms in silicon as the qubits and donor electrons to mediate the coupling between qubits. Schematic of the Silicon-Based Quantum Computer The architecture of Kanes solid-state quantum computer has a linear array of phos- phorous donor atoms buried into a pure silicon wafer with an interdonor spacing of about 20 nm. Quantumcomputationwitha31Parrayinsilicon The strength of the hyperfine interaction is proportional to the.
We describe in some details how single- and two-qubit operations and readout measurements can in principle be performed for the Kane quantum computer. Quantum computers promise to exceed the computational efficiency of ordinary classical machines because quantum algorithms allow the execution of certain tasks in fewer steps. SILICON-BASED NUCLEAR SPIN QUANTUM COMPUTER.
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