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Solid state coherent quantum dot system for quantum computing and quantum transmission
Author(s) -
Matsueda Hideaki
Publication year - 2003
Publication title -
international journal of circuit theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.364
H-Index - 52
eISSN - 1097-007X
pISSN - 0098-9886
DOI - 10.1002/cta.222
Subject(s) - qubit , quantum computer , quantum circuit , quantum mechanics , physics , coherence (philosophical gambling strategy) , quantum gate , quantum , quantum network , topology (electrical circuits) , computer science , electrical engineering , engineering
Recent progress in nano‐metre structure and measurements is capable of providing us with the freedom to harness fast and seemingly weak correlations between atoms in an ensemble, manifesting them at macroscopic level. So we have investigated a prospective model of solid state integrated circuits for quantum computation, based on our coherence retentive resonance dynamic dipole–dipole interaction (RDDDI) theory. In this model, each qubit is a block consisting of an ensemble of quantum dots, and the energetics of which suggests stability up to room temperature. Here, we propose a qubit swap (∏ 4 ) gate applying our RDDDI. Moreover, integration of the ∏ 4 gate is proposed to form quantum circuits that can transfer a qubit state to any position within them, realizing bit reversal permutation circuits with even and odd bits, and a shuffling circuit. Copyright © 2003 John Wiley & Sons, Ltd.