# Quantum Computation

@article{DiVincenzo1995QuantumC, title={Quantum Computation}, author={D. DiVincenzo}, journal={Science}, year={1995}, volume={270}, pages={255 - 261} }

If the bits of computers are someday scaled down to the size of individual atoms, quantum mechanical effects may profoundly change the nature of computation itself. The wave function of such a quantum computer could consist of a superposition of many computations carried out simultaneously; this kind of parallelism could be exploited to make some important computational problems, like the prime factoring of large integers, tractable. However, building such a quantum computer would place… Expand

#### 44 Citations

Quantum Computers Based on Cold Atoms$${}^{\mathbf{\#}}$$

- Physics
- 2020

A brief survey of present-day achievements in quantum informatics is presented. Advantages of quantum computers are shown by an example of simplest quantum algorithms. Application of ultracold atoms… Expand

Properties of Pancharatnam Phase and Entanglement of a Five-Level Atom Interacting with a Squeezed Field

- Physics
- 2021

We introduce a quantum scheme where a single five-level atom interacts with a single-mode cavity field by a time-dependent coupling. During the interaction, the temporal behavior of the quantum… Expand

Entanglement generation between two solid-state qubits mediated by microwave photons

- Physics
- 2020

Abstract We consider a hybrid system of two interacting double quantum dots coupled to a single-mode microwave resonator, and it is demonstrated that the preparation of qubit–qubit entangled states… Expand

One-dimensional quantum walks with a position-dependent coin

- Physics
- 2020

We investigate the evolution of a discrete-time one-dimensional quantum walk driven by a position-dependent coin. The rotation angle which depends upon the position of a quantum particle… Expand

Material platforms for defect qubits and single-photon emitters

- Materials Science, Physics
- 2020

Quantum technology has grown out of quantum information theory and now provides a valuable tool that researchers from numerous fields can add to their toolbox of research methods. To date, various… Expand

Spatial entanglement and state engineering via four-photon Hong–Ou–Mandel interference

- Physics
- 2020

The phenomenon of entanglement is the basis of quantum information and quantum communication processes. Entangled systems with a large number of photons are of great interest at present because they… Expand

Two-Qutrit Entangled f-Coherent States

- Mathematics
- 2021

Nonlinear coherent states or f -coherent states are one of the important class of quantum states of light attached to the f -deformed oscillators. They have been introduced in a pioneering work by… Expand

Separability of evolving W state in a noise environment

- Mathematics, Physics
- 2021

Entanglement is an important resource for quantum information processing. We provide a new entanglement witness to detect the entanglement of an evolving W state. Our results show that the new… Expand

Continuous-variable multipartite vibrational entanglement

- Physics
- 2021

A compact scheme for the preparation of macroscopic multipartite entanglement is proposed and analyzed. In this scheme the vibrational modes of a mechanical resonator constitute continuous variable… Expand

Entanglement dynamics of two coupled spins interacting with an adjustable spin bath: effect of an exponential variable magnetic field

- Computer Science, Physics
- Quantum Inf. Process.
- 2020

It has been shown that the entanglement distribution can be both amplified, stabilized and protected with a magnetic field of exponential function, and the dynamics of the reduced density matrix of two coupled spin qubits is obtained in both finite and infinite numbers of bath spins. Expand

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