Download e-book for iPad: Controlling the Quantum World: The Science of Atoms, by National Research Council

By National Research Council

ISBN-10: 0309102707

ISBN-13: 9780309102704

As a part of the Physics 2010 decadal survey venture, the dep. of strength and the nationwide technology beginning asked that the nationwide learn Council examine the possibilities, over approximately the subsequent decade, in atomic, molecular, and optical (AMO) technological know-how and expertise. specifically, the nationwide examine Council used to be requested to hide the country of AMO technology, emphasizing fresh accomplishments and determining new and compelling medical questions. "Controlling the Quantum World", discusses either the jobs and demanding situations for AMO technology in instrumentation; clinical examine close to absolute 0; improvement of tremendous excessive x-ray and laser resources; exploration and keep watch over of molecular procedures; photonics on the nanoscale point; and improvement of quantum info know-how. This booklet additionally bargains an overview of and suggestions approximately severe matters referring to protecting U.S. management in AMO technology and know-how.

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Additional info for Controlling the Quantum World: The Science of Atoms, Molecules, and Photons (Physics 2010)

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More information on cold quantum gases is contained in chapter 3 and summarized below. When breakthrough science happens, it defines a new frontier. today, AMo science is camped on one of the most exotic frontiers in science—the push toward ever lower temperatures obtained in atomic physics labs. in the last decade, six physicists have won the Nobel prize for their work at the frontier of ultracold atomic gases. the record low temperature stands, as of early 2006, at about a billionth of a degree above absolute zero.

SOURCE: National Institute of Standards and Technology, copyright Geoffrey Wheeler. AMO SCIENCE AND NATIONAL POLICIES: CONCLUSIONS AND RECOMMENDATIONS the key future opportunities for AMo science contained in this report are based on rapid and astounding developments in the ield that are a result of investments made by the federal government’s R&D agencies in the work of AMo researchers. in summary, the research ield of AMo science and technology is 25 coNtRoLLiNG 26 tHe QUANtUM WoRLD thriving, and the committee offers the following conclusions on the status of the science: • • • • • • Revolutionary new methods to measure space and time have emerged within the last decade from a convergence of technologies in coherent control of ultrafast lasers and ultracold atoms.

The Stern-Gerlach experiment showed that a beam of silver atoms directed through an inhomogeneous magnetic ield (see Figure 2-1-1) is split into two beams. – This demonstrated that electrons possess an intrinsic angular momentum S of value S = h [(s(s +1)]½, where – s = ½ and h is Planck’s constant. ” It has an associated magnetic moment μs = −(e/2m) gS, where g is the so-called electron spin g-factor. Neither the spin nor the magnetic moment has a classical analogy. Like electrons, nuclei and their constituent particles, neutrons and protons, also possess intrinsic spins.

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Controlling the Quantum World: The Science of Atoms, Molecules, and Photons (Physics 2010) by National Research Council


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