By Zbigniew Ficek
This book brings jointly and discusses for the 1st time specified analyses of the experiments with trapped ions, experiments on quantum beats, coherent inhabitants trapping, electromagnetically prompted transparency (EIT), electromagnetically triggered absorption, construction of dark-states polaritons, subluminal and superluminal mild, cognizance of a Fock country, and interference experiments in atom optics on atom grating, momentum distribution, and atom tunneling. This booklet is exclusive in lots of respects and should fill a niche within the literature.
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Extra resources for Quantum Interference and Coherence Theory and Experiments
The scheme of Kwiat et al.  to demonstrate interaction-free measurement. 5 Interferometric Interaction-Free Measurements 37 We may explain this experiment as follows. e. the ﬁrst interferometer. There are two contributions to the state of the photon. The ﬁrst one is from the pass Br1 → Md1 → Br2 and the second one is from the pass Bt1 → Mu1 → Bt2 , where Bri and Bti mean reﬂection and transmission at the ith beam splitter, respectively. The ﬁrst beam has been reﬂected twice at beam splitters B1 and B2 and once at the mirror Md1 , three reﬂections giving a phase factor i3 , and the amplitude α1 = −i cos2 π 2n .
Lett. 62, 2941 (1989). 9 shows recordings of the coincidence counting rate as a function of the position Ra of the detector Da . 2 Principles of Quantum Interference 25 which governs the spatial properties of the second-order correlation function. The good agreement between the theory and experiment indicates that photons can indeed exhibit two-photon correlations even if they are produced by two independent sources. 2 The Hong−Ou−Mandel Interferometer In the preceding section, we have shown that spatial correlations between two photons can lead to nonclassical interference eﬀects in the two-photon correlations.
E. without disturbing particle b. This means, that either there must be an instantaneous signal between the two particles (non-locality), or the value of the z component of the spin for each particle must eﬀectively be determined before the measurement (incompleteness of the wave-function |Ψ ). Let us now change the experiment so that instead of measuring the spin of particle a in the z direction, we chose to measure it in the x direction. Then, we can infer from this measurement the spin of particle b in the x direction, and conclude that the spin components of the particle in both the z and x directions must be elements of physical reality.