Download Quantum Computing Devices: Principles, Designs, and Analysis by Goong Chen, David A. Church, Berthold-Georg Englert, Carsten PDF

By Goong Chen, David A. Church, Berthold-Georg Englert, Carsten Henkel, Bernd Rohwedder, Marlan O. Scully, M. Suhail Zubairy

One of many first books to completely study the topic, Quantum Computing units: rules, Designs, and research covers the basic parts within the layout of a "real" quantum laptop. It explores modern and significant points of quantum computation, quite concentrating on the position of quantum digital units as quantum gates.Largely self-contained and written in an educational type, this reference offers the research, layout, and modeling of the main varieties of quantum computing units: ion traps, hollow space quantum electrodynamics (QED), linear optics, quantum dots, nuclear magnetic resonance (NMR), superconducting quantum interference units (SQUID), and impartial atom traps. It starts by way of explaining the basics and algorithms of quantum computing, through the operations and formalisms of quantum structures. for every digital gadget, the next chapters speak about actual houses, the setup of qubits, keep an eye on activities that produce the quantum gates which are common for quantum computing, correct measurements, and decoherence houses of the platforms. The publication additionally comprises tables, diagrams, and figures that illustrate a variety of information, makes use of, and designs of quantum computing.As nanoelectronics will unavoidably change microelectronics, the advance of quantum info technology and quantum computing know-how is crucial to the way forward for info technology and know-how. Quantum Computing units: rules, Designs, and research is helping satisfy this want by way of supplying a finished selection of the main promising units for the longer term.

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X∈Q |cx (t)|2 = 1 for all t. 8) applies, provided no other physical systems couple to the register, apart from the operations specified by H(t). 6. A generalized formalism is discussed in Chap. 4 on “Imperfect Quantum Operations”. 36 CHAPTER 2. QUANTUM COMPUTATION AND SYSTEMS The matrix Uxy (t) must be unitary to preserve the normalization of the probability amplitudes and hence to be compatible with the probabilistic interpretation of the state vector. , in atomic, molecular and optical systems.

Theor. Phys. 21 (1982), 467–488. J. F. Clauser, Phys. Rev. Lett. S. C. Thompson, Phys. Rev. Lett. 36 (1976), 1223; A. Aspect, P. Grangier, and G. Roger, Phys. Rev. Lett. 49 (1982), 91; A. Aspect, J. Dalibard, and G. Roger, Phys. Rev. Lett. 49 (1982), 1804. 23 24 REFERENCES [14] B. Friedrich and D. Herschbach, Stern and Gerlach: How a bad cigar helped reorient atomic physics, Phys. Today Dec. Issue (2003), 53–59. [15] S. Goudsmit, Z. Physik 32 (1925), 111. [16] S. Goudsmit and R. de L. Kronig, Naturwissenschaften 13 (1925), 90; Verhandelingen Koninklijke Akademie van Wetenschappen 34 (1925), 278.

This is the Landauer principle of information erasure. From this principle, one can actually derive the second law of thermodynamics [22]. Bennett [4] applied Landauer’s principle to Szilard’s engine (Fig. 9) by first agreeing with Szilard that the Demon’s mind could be viewed as a 2-state system where information about the particle is recorded as a singlebit register r = 0 or 1. After the particle in the engine is returned to the initial state, r remains unchanged. But the information about r needs to be erased by doing work that is lost as heat into the reservoir.

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