Reflection-diffraction x-ray diffraction depth profiling of reactively sputtered highly oriented TiN on MgO

Helrich, Carl S.; Buschert, R. C.; Kropf, A. Jeremy; Ernberger, C.; Smith, Tony

doi:10.1016/0257-8972(89)90070-4

Cited by 3 publications

(1 citation statement)

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“…It is not a particle in the sense in which we picture a particle, or even a fuzzy sphere moving at the speed of light. But we can register single photons and do so in, for example, x-ray diffraction studies of surfaces (Helrich et al 1989). In some measurements we may register only a few photons per minute at a detector.…”

Section: The Measurementmentioning

confidence: 99%

Measurement and Indeterminacy in the Quantum Mechanics of Dirac

Helrich

2000

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The quantum-measurement problem and the Heisenberg indeterminacy principle are presented in the language of the Dirac formulation of the quantum theory. Particularly the relationship between quantum state prior to measurement and the result of the measurement are discussed. The relation between the indeterminacy principle and the analog between quantum and classical systems is presented, showing that this principle may be discussed independently of the wave-particle duality. The importance of statistics in the treatment of many body systems is outlined and the approach to investigating God's interaction with human beings is discussed in this context. The treatment is nonmathematical.That we would encounter problems of understanding and interpretation in the emerging quantum theory was clear from the first steps down the twisted path toward that theory. We have only human language on which to base our communication and only human experience on which to base our images of the world described by the quantum theory. Both are inadequate to the task because there is no human experience of the world of the quantum theory. The closest we may ever come to an experience of this quantum world is through our measurements, and so the understanding of our measurements is key to a comprehension of that world. In this brief

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Section: The Measurementmentioning

confidence: 99%