Results 81 to 90 of about 4,783 (230)

Design and Implementation of Nanotechnology QCA Geometric Greedy Router

Journal of Electrical and Computer Engineering, 2021
This paper presents an optimized geometric greedy router (GGR) based on quantum dot cellular automata (QCA) technology. The proposed structure of GGR is based on a spanning tree of the network.
Lamjed Touil, Ismail Gassoumi, Abdellatif Mtibaa   +2 more
doaj   +1 more source

Quantum dynamics, dissipation, and asymmetry effects in quantum dot arrays

, 2002
We study the role of dissipation and structural defects on the time evolution of quantum dot arrays with mobile charges under external driving fields. These structures, proposed as quantum dot cellular automata, exhibit interesting quantum dynamics which
A. O. Caldeira, A. O. Caldeira, A. O. Orlov, A. O. Orlov, A. Yu. Smirnov, C. K. Wang, C. S. Lent, C. S. Lent, C. S. Lent, E. Cota, E. Cota, F. Ramírez, F. Rojas, F. Rojas, F. Rojas, G. Grössing, G. Grössing, G. L. Snider, G. Toth, G. Toth, H. B. Sun, I. Amlani, I. I. Yakimenko, K. Furuya, R. P. Cowburn, S. E. Ulloa, S. Wolfram, W. H. Zurek   +27 more
core   +1 more source

C-ELEMENT DESIGN IN QUANTUM DOT CELLULAR AUTOMATA

Jordanian Journal of Computers and Information Technology, 2021
The continuous market demands for high-performance and energy-efficient computing systems have steered the computational paradigm and technologies towards nano-scale quantum dot cellular automata (QCA).
Mutaz Al-Tarawneh, Ziyad A. Altarawneh
doaj   +1 more source

Pseudo-random operators of the circular ensembles

, 2004
We demonstrate quantum algorithms to implement pseudo-random operators that closely reproduce statistical properties of random matrices from the three universal classes: unitary, symmetric, and symplectic.
C. Stephen Hellberg, F. Haake, J. Watrous, K. Zyczkowski, L. K. Grover, M. A. Neilson, M. L. Mehta, P. W. Shor, S. Wolfram, Yaakov S. Weinstein   +9 more
core   +1 more source

Quantum Cellular Automata Pseudo-Random Maps

, 2004
Quantum computation based on quantum cellular automata (QCA) can greatly reduce the control and precision necessary for experimental implementations of quantum information processing.
Hellberg, C. Stephen, Weinstein, Yaakov S.   +1 more
core   +1 more source

Entanglement Dynamics in 1D Quantum Cellular Automata

, 2003
Several proposed schemes for the physical realization of a quantum computer consist of qubits arranged in a cellular array. In the quantum circuit model of quantum computation, an often complex series of two-qubit gate operations is required between ...
D.A. Meyer, D.A. Meyer, D.A. Meyer, E.B. Davies, G. Toth, G.K. Brennen, G.K. Brennen, Gavin K. Brennen, H.J. Briegel, H.J. Briegel, J. Twamley, J.P. Crutchfield, Jamie E. Williams, L.M. Duan, N. Khaneja, N. Khaneja, P. Zanardi, R.H. Dicke, S. Lloyd, S.C. Benjamin, S.C. Benjamin, W.K. Wooters, W.K. Wooters   +22 more
core   +1 more source

A novel idea of pseudo-code generator in quantum-dot cellular automata (QCA)

International Journal for Simulation and Multidisciplinary Design Optimization, 2014
In present work, we have implemented the pseudo-code (PN-code) generator using quantum-dot cellular (QCA) technology. Simulation results are obtained from QCA designer software.
Firdous Ahmad, M. Mustafa, Nisar Wani, Feroz A. Mir   +3 more
semanticscholar   +1 more source

Single-Layer Parity Generator and Checker Design Using XOR Gate in Quantum-Dot Cellular Automata (QCA)

Engineering Proceedings
Quantum-dot cellular automata (QCA) offer a high-performance, low-power alternative to traditional VLSI technology for nanocomputing. However, the existing metal-dot QCA-based parity generators and checker circuits suffer from increased energy ...
Rohit Kumar Shaw, Angshuman Khan
doaj   +1 more source

Novel Design for Quantum Dots Cellular Automata to Obtain Fault-Tolerant Majority Gate

Journal of Nanotechnology, 2012
Quantum-dot Cellular Automata (QCA) is one of the most attractive technologies for computing at nanoscale. The principle element in QCA is majority gate. In this paper, fault-tolerance properties of the majority gate is analyzed.
Razieh Farazkish, Samira Sayedsalehi, Keivan Navi   +2 more
doaj   +1 more source

Efficient Design of Reversible Code Converters Using Quantum Dot Cellular Automata [PDF]

Журнал нано- та електронної фізики, 2016
Quantum dot Cellular Automata (QCA) is an attractive field of nano-technology which offers the various advantages over existing CMOS technology for the development of logic circuits.
Javeed Iqbal Reshi, M. Tariq Banday
doaj   +1 more source