# QUANTUM COMPUTATION WITH BALLISTIC ELECTRONS

@article{Ionicioiu2001QUANTUMCW, title={QUANTUM COMPUTATION WITH BALLISTIC ELECTRONS}, author={Radu Ionicioiu and Gehan A. J. Amaratunga and Florin Udrea}, journal={International Journal of Modern Physics B}, year={2001}, volume={15}, pages={125-133} }

We describe a solid state implementation of a quantum computer using ballistic single electrons as flying qubits in 1D nanowires. We show how to implement all the steps required for universal quantum computation: preparation of the initial state, measurement of the final state and a universal set of quantum gates. An important advantage of this model is the fact that we do not need ultrafast optoelectronics for gate operations. We use cold programming (or pre-programming), i.e. the gates are…

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## References

SHOWING 1-10 OF 30 REFERENCES

### Quantum computation with quantum dots

- Physics
- 1998

We propose an implementation of a universal set of one- and two-quantum-bit gates for quantum computation using the spin states of coupled single-electron quantum dots. Desired operations are…

### Quantum computation using electrons trapped by surface acoustic waves

- PhysicsQuantum Inf. Comput.
- 2001

We describe in detail a set of ideas for implementing qubits, quantum gates, and quantum gate networks in a semiconductor heterostructure device. Our proposal is based on an extension of the…

### Quantum logic gates based on coherent electron transport in quantum wires.

- PhysicsPhysical review letters
- 2000

It is shown that the universal set of quantum logic gates can be realized using solid-state quantum bits based on coherent electron transport in quantum wires using a proper design of two quantum wires coupled through a potential barrier.

### Simple quantum computer.

- Physics, Computer SciencePhysical review. A, Atomic, molecular, and optical physics
- 1995

We propose an implementation of a quantum computer to solve Deutsch's problem, which requires exponential time on a classical computer but only linear time with quantum parallelism. By using a…

### A silicon-based nuclear spin quantum computer

- PhysicsNature
- 1998

Quantum computers promise to exceed the computational efficiency of ordinary classical machines because quantum algorithms allow the execution of certain tasks in fewer steps. But practical…

### Testing Bell’s inequality with ballistic electrons in semiconductors

- Physics
- 2001

We propose an experiment to test Bell's inequality violation in condensed-matter physics. We show how to generate, manipulate, and detect entangled states using ballistic electrons in Coulomb-coupled…

### Quantum measurements performed with a single-electron transistor

- Physics
- 1998

Low-capacitance Josephson junction systems as well as coupled quantum dots, in a parameter range where single charges can be controlled, provide physical realizations of quantum bits, discussed in…

### Josephson-junction qubits with controlled couplings

- PhysicsNature
- 1999

Quantum computers, if available, could perform certain tasks much more efficiently than classical computers by exploiting different physical principles. A quantum computer would be comprised of…

### Environmentally decoupled sds -wave Josephson junctions for quantum computing

- PhysicsNature
- 1999

Quantum computers have the potential to outperform their classical counterparts in a qualitative manner, as demonstrated by algorithms which exploit the parallelism inherent in the time evolution of…

### Quantum gates by coupled asymmetric quantum dots and controlled- NOT -gate operation

- Physics
- 2000

A quantum computer based on an asymmetric coupled-dot system has been proposed and shown to operate as a controlled-NOT gate. The basic ideas are the following. (1) The electron is localized in one…