A number of physical systems that are considered for the realization of a universal quantum computer, such as optical lattices 1 or arrays of microlenses 2 , possess a translation symmetry in the arrangement of qubits and their mutual interaction. Quantum cellular automata QCA represent a suitable framework to explore the computational power of such physical systems, because they respect this s...

Quantum-dot Cellular Automata (QCA) is an emerging and promising technology that provides significant improvements over CMOS. Recently QCA has been advocated as an applicant for implementing reversible circuits. However QCA, like other Nanotechnologies, suffers from a high fault rate. The main purpose of this paper is to develop a fault tolerant model of QCA circuits by redundancy in hardware a...

Reversible logic enables ultra-low power circuit design and quantum computation. Quantum-dot Cellular Automata (QCA) is the most promising technology considered to implement reversible circuits, mainly due correspondence between features of QCA circuits. This work aims push forward state-of-the-art QCA-based circuits implementation by proposing a novel full adder\full subtractor (FA\FS). At fir...

Processing in Memory (PIM) is a computing paradigm that promises enormous gain in processing speed by eradicating latencies in the typical von Neumann architecture. It has gained popularity owing to its throughput by embedding storage and computation of data in a single unit. We portray implementation of Akers array architecture endowed with PIM computation using Quantum-dot Cellular Automata (...

AbstructQuantum-dot cellular automata (QCA) has been proposed as a replacement for CMOS circuits. The major difference between QCA and CMOS is that electronic charge, not current, is the information carrier. A complete set of logic gates has been created and some have been experimentally tested with metal-dots acting as quantum dots. Molecular implementations are currently being examined. This ...

Quantum cellular automata (QCA) enables performing arithmetic and logic operations at the molecular scale. This nanotechnology promises high device density, low power consumption and high computational power. Unlike the CMOS technology where the ON and OFF states of the transistors represent binary information, in QCA, data is represented by the charge configuration. The primary and basic devic...

The electronic industry has grown vastly in recent years, and researchers are trying to minimize circuits delay, occupied area and power consumption as much as possible. In this regard, many technologies have been introduced. Quantum Cellular Automata (QCA) is one of the schemes to design nano-scale digital electronic circuits. This technology has high speed and low power consumption, and occup...

The large amount of secondary effects in complementary metal–oxide–semiconductor technology limits its application the ultra-nanoscale region. Circuit designers explore a new for region, which is quantum-dot cellular automata (QCA). Low-energy dissipation, high speed, and area efficiency are key features QCA technology. This research proposes novel, low-complexity, QCA-based one-bit digital com...

Quantum-dot Cellular Automata (QCA) technology is a promising alternative nano-scale for CMOS technology. In digital circuits, multiplexer one of the most important components. this study, an efficient and single layer 2 to 1 QCA circuit proposed using majority gate inverter gate. addition, 4 8 circuits are implemented circuit. The developed in QCADesigner tool. According results, 1, utilize 16...