Download e-book for kindle: Advances In Atomic, Molecular, and Optical Physics, Vol. 42 by Benjamin Bederson (ed.), Herbert Walther (ed.)

By Benjamin Bederson (ed.), Herbert Walther (ed.)

ISBN-10: 0120038420

ISBN-13: 9780120038428

This sequence, demonstrated in 1965, is worried with fresh advancements within the basic sector of atomic, molecular, and optical physics. the sphere is in a kingdom of swift development, as new experimental and theoretical suggestions are used on many elderly and new difficulties. subject matters lined additionally comprise similar utilized parts, equivalent to atmospheric technology, astrophysics, floor physics, and laser physics.

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Additional info for Advances In Atomic, Molecular, and Optical Physics, Vol. 42

Example text

MI. Acknowledgments . 29 33 33 34 35 35 36 36 42 42 45 48 48 49 50 52 54 51 60 60 62 64 65 69 69 69 I. Introduction Wave-particle duality means that a quantum object can exhibit either wave or particle properties, depending on the experimental situation. The wave nature gives rise to interference phenomena, whereas knowledge about the path taken by the object testifies to its particle nature. The crucial point is that it is impossible to observe wave and particle properties simultaneously.

Readers who are not interested in this calculation may continue with Section IV. The calculation is based on the model introduced in Bernhardt and Shore (1981), Pritchard and Gould (1985), Kazantsev et al. (1990), Wilkins et al. (1991), Schumacher et af. (1992), Marte and Stenholm (1992), and Durr et al. (1996). We consider a two-level atom inside a standing light wave. The detuning of the light frequency from the atomic resonance is assumed to be so large that excitation and spontaneous emission can be neglected.

1 ~ is observed. Within a Fraunhofer approximation, this would be determined by where tdet is the time of flight from the interaction region to the detection region. The Fraunhofer approximation reflects the simple fact that an atom with transverse velocity nvrec travels the transverse distance z = n'llrectdet during tdet. 1 mm. The Fraunhofer approximationis not strictly valid for the parameters of our experiment, because the time of flight from the source to the interaction region, t source, has to be taken into account, yielding with Each term in Eq.

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Advances In Atomic, Molecular, and Optical Physics, Vol. 42 by Benjamin Bederson (ed.), Herbert Walther (ed.)


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