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MagLab Discovery Could Be Crucial Step to Quantum Computer（图）
The magnet. Graphene. Materials Dc physical
2014/7/18
TALLAHASSEE, Fla. – Researchers from Columbia University working at the National High Magnetic Field Laboratory (MagLab) have observed a physical phenomenon in bilayer graphene that could usher in a n...
5-qubit quantum error correction in a charge qubit quantum computer
quantum error correction 5-qubit code solid-state quantum register
2010/11/5
We implement the DiVincenzo-Shor 5 qubit quantum error correcting code into a solid-state quantum register. The quantum register is a multi charge-qubit system in a semiconductor environment, where th...
Scalable Neutral Atom Quantum Computer with Interaction on Demand
Scalable Neutral Atom Quantum Computer Interaction Demand
2010/10/21
We propose a scalable neutral atom quantum computer with an on-demand interaction. Artificial
lattice of near field optical traps is employed to trap atom qubits. Interactions between atoms can be tu...
Solid state multi-ensemble quantum computer in waveguide circuit model
Solid state multi-ensemble quantum computer waveguide circuit model
2010/10/21
The first realization of solid state quantum computer was demonstrated recently by using artificial atoms – transmons in superconducting resonator. Here, we propose a novel architecture of flexible an...
It is first pointed out that there is a common mathematical model for the universe and the quantum computer. The former is called the histories approach to quantum mechanics and the latter is called m...
Demonstration of Deutsch's Algorithm on a Stable Linear-Optical Quantum Computer
Demonstration of Deutsch's Algorithm Stable Linear-Optical Quantum Computer
2010/10/20
We report an experimental demonstration of quantum Deutsch’s algorithm by using linear-optical
system. By employing photon’s polarization and spatial modes, we implement all balanced and constant fun...
The hydrogen molecule may be the simplest of all two-atom systems, but chemists have had to work very hard to calculate its properties from first principles using quantum mechanics. Now, however, a te...
Optical 'quantum computer chip' performs first calculation
quantum computer chip calculation
2009/9/8
Researchers at the University of Bristol in the UK have made a prototype optical quantum computer chip and used it to perform a mathematical calculation for the first time. The device consists of tiny...
QCE: A Simulator for Quantum Computer Hardware
Quantum computation computer simulation educational software
2010/4/12
The Quantum Computer Emulator (QCE) described in this paper consists of a simulator of a generic, general purpose quantum computer and a graphical user interface. The latter is used to control the sim...
Four Atomic Optical Energy Levels as a Two Qubit Quantum Computer Register
quantum computer quantum gates
2010/10/15
It is proposed to use four atomic optical energy levels as a two qubit quantum register. A
single Pr3+ atom in a monocrystal LaF3subjected to resonant laser irradiation is used as an example to illu...
Actual computational time-cost of the Quantum Fourier Transform in a quantum computer using nuclear spins
Actual computational time-cost Quantum Fourier Transform quantum computer nuclear spins
2010/10/18
There have been many proposed methods for the practical implementation of quantum computing. Now quantum computation has reached the turning point from being a conceptual system to becoming a physical...