## Isotope-Based Quantum InformationThe present book provides to the main ideas and techniques of the rapid progressing field of quantum information and quantum computation using isotope - mixed materials. It starts with an introduction to the isotope physics and then describes of the isotope - based quantum information and quantum computation. The ability to manipulate and control electron and/or nucleus spin in semiconductor devices provides a new route to expand the capabilities of inorganic semiconductor-based electronics and to design innovative devices with potential application in quantum computing. One of the major challenges towards these objectives is to develop semiconductor-based systems and architectures in which the spatial distribution of spins and their properties can be controlled. For instance, to eliminate electron spin decoherence resulting from hyperfine interaction due to nuclear spin background, isotopically controlled devices are needed (i.e., nuclear spin-depleted). In other emerging concepts, the control of the spatial distribution of isotopes with nuclear spins is a prerequisite to implement the quantum bits (or qbits). Therefore, stable semiconductor isotopes are important elements in the development of solid-state quantum information. There are not only different algorithms of quantum computation discussed but also the different models of quantum computers are presented. With numerous illustrations this small book is of great interest for undergraduate students taking courses in mesoscopic physics or nanoelectronics as well as quantum information, and academic and industrial researches working in this field. |

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Alice and Bob ArXiv atomic bandgap biexciton binding energy calculations charge circuit classical bits classical information CNOT gate coherence corresponding Coulomb decoherence density dependence Deutsch device diamond donor dynamics electron spin encoding entangled entropy example excited exciton experimental exponential ferromagnetic frequency function fundamental Grover Hadamard gate Hilbert space information theory input interaction ions isotope effect isotope superlattice isotope-mixed crystals Kreingol’d lattice layer Lett LiHx D1−x logic gates magnetic field mass measurement mixed crystals molecules neutron nuclear spin nuclei nucleons operations optical oracle output pair particle peak phonons Phys polarized problem properties proton quantum algorithm quantum computation quantum cryptography quantum dot quantum error correcting quantum information processing quantum mechanics quantum systems quantum teleportation qubits Raman spectra references therein Russian semiconductor shift shown single qubit spectrum spin-polarized spintronics Springer structure superconductor superposition tion transformation two-qubit unitary V.G. Plekhanov values vector