Search Results - "Sprung, D."

Quantum Spin Dynamics in Fock Space Following Quenches: Caustics and Vortices by Mumford, J, Turner, E, Sprung, D W L, O'Dell, D H J

“…Caustics occur widely in dynamics and take on shapes classified by catastrophe theory. At finite wavelengths they produce interference patterns containing…”
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Tunnelling of Hermite-Gaussian wavepackets by van Dijk, W, Sprung, D W L, Castonguay-Page, Y

“…We examine the tunnelling process of incident Hermite-Gaussian wavepackets which feature several nodes and peaks. An analytic formula for the transmitted wave…”
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Floquet-Bloch waves in one-dimensional photonic crystals by Morozov, G. V, Sprung, D. W. L

“…Using binary photonic crystals as an example, it is shown in a physically transparent manner how to construct two independent Floquet-Bloch waves in lossless…”
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One-dimensional photonic crystals with a sawtooth refractive index: another exactly solvable potential by Morozov, G V, Sprung, D W L, Martorell, J

“…Exact analytical results expressed in terms of Bessel functions for the bandgaps, reflectance and transmittance of one-dimensional photonic crystals with a…”
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Floquet–Bloch solutions in a sawtooth photonic crystal by Caffrey, S., Morozov, G. V., Sprung, D. W. L., Martorell, J.

“…Band structure of a sawtooth photonic crystal for optical wave propagation along the axis of periodicity is investigated. Floquet–Bloch solutions are found and…”
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Civil Aircraft for the regular investigation of the atmosphere based on an instrumented container: The new CARIBIC system by Brenninkmeijer, C. A. M., Crutzen, P., Boumard, F., Dauer, T., Dix, B., Ebinghaus, R., Filippi, D., Fischer, H., Franke, H., Frieβ, U., Heintzenberg, J., Helleis, F., Hermann, M., Kock, H. H., Koeppel, C., Lelieveld, J., Leuenberger, M., Martinsson, B. G., Miemczyk, S., Moret, H. P., Nguyen, H. N., Nyfeler, P., Oram, D., O'Sullivan, D., Penkett, S., Platt, U., Pupek, M., Ramonet, M., Randa, B., Reichelt, M., Rhee, T. S., Rohwer, J., Rosenfeld, K., Scharffe, D., Schlager, H., Schumann, U., Slemr, F., Sprung, D., Stock, P., Thaler, R., Valentino, F., van Velthoven, P., Waibel, A., Wandel, A., Waschitschek, K., Wiedensohler, A., Xueref-Remy, I., Zahn, A., Zech, U., Ziereis, H.

“…An airfreight container with automated instruments for measurement of atmospheric gases and trace compounds was operated on a monthly basis onboard a Boeing…”
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Gaseous mercury distribution in the upper troposphere and lower stratosphere observed onboard the CARIBIC passenger aircraft by Slemr, F., Ebinghaus, R., Brenninkmeijer, C. A. M., Hermann, M., Kock, H. H., Martinsson, B. G., Schuck, T., Sprung, D., van Velthoven, P., Zahn, A., Ziereis, H.

“…Total gaseous mercury (TGM) was measured onboard a passenger aircraft during monthly CARIBIC flights (Civil Aircraft for Regular Investigation of the…”
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Acetone variability in the upper troposphere: analysis of CARIBIC observations and LMDz-INCA chemistry-climate model simulations by Elias, T., Szopa, S., Zahn, A., Schuck, T., Brenninkmeijer, C., Sprung, D., Slemr, F.

“…This paper investigates the acetone variability in the upper troposphere (UT) as sampled during the CARIBIC airborne experiment and simulated by the LMDz-INCA…”
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Comment on “Exactly solvable models to illustrate supersymmetry and test approximation methods in quantum mechanics,” Am. J. Phys. 79, 755–761 (2011 ) by Sprung, D. W. L., Safari, Akbar, Sator, Nicolas

“…In the paper under discussion, it was observed that the accuracy of WKB approximate binding energies for the exponential potential deteriorates as the energy…”
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Erratum: “Comment on ‘Exactly solvable models to illustrate supersymmetry and test approximation methods in quantum mechanics,’ Am. J. Phys. 79, 755–761 (2011)” [Am. J. Phys. 80, 734–737 (2012)] by Sprung, D. W. L., Safari, Akbar, Sator, Nicolas

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Finite Fourier transforms computed by a modified Filon–Euler–Maclaurin method by Sprung, D.W.L., Betti, M.I., van Dijk, W.

“…The Filon–Euler–Maclaurin (FEM) method for computing the finite Fourier transform of a function in terms of the fast Fourier transform plus end point…”
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Interminiband Rabi oscillations in biased semiconductor superlattices by Abumov, Pavel, Sprung, D. W. L.

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Origin of aerosol particles in the mid-latitude and subtropical upper troposphere and lowermost stratosphere from cluster analysis of CARIBIC data by Köppe, M., Hermann, M., Brenninkmeijer, C. A. M., Heintzenberg, J., Schlager, H., Schuck, T., Slemr, F., Sprung, D., van Velthoven, P. F. J., Wiedensohler, A., Zahn, A., Ziereis, H.

“…The origin of aerosol particles in the upper troposphere and lowermost stratosphere over the Eurasian continent was investigated by applying cluster analysis…”
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Asymptotic approximations to Clebsch-Gordan coefficients from a tight-binding model by Sprung, D. W. L., van Dijk, W., Martorell, J., Criger, D. B.

“…The recurrence relations of the angular momentum vector addition coefficients are interpreted as a tight-binding model of a one-dimensional potential. From…”
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Atmospheric pressure chemical ionization mass spectrometry for the detection of tropospheric trace gases: the influence of clustering on sensitivity and precision by Jost, C, Sprung, D, Kenntner, T, Reiner, T

“…An atmospheric pressure chemical ionization mass spectrometer (AP-CIMS) was set up for the detection of the atmospheric trace gases acetonitrile, acetone, and…”
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Chemical characterization of pollution layers over the tropical Indian Ocean: Signatures of emissions from biomass and fossil fuel burning by Reiner, T., Sprung, D., Jost, C., Gabriel, R., Mayol‐Bracero, O. L., Andreae, M. O., Campos, T. L., Shelter, R. E.

“…We have performed airborne measurements of atmospheric trace gases and aerosol composition on the National Center for Atmospheric Research C‐130 research…”
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Design of electron band pass filters for electrically biased finite superlattices by Martorell, J., Sprung, D. W. L., Morozov, G. V.

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Deposition of acetonitrile to the Atlantic Ocean off Namibia and Angola and its implications for the atmospheric budget of acetonitrile by Jost, C., Trentmann, J., Sprung, D., Andreae, M. O., Dewey, K.

“…We performed airborne measurements of acetonitrile, carbon monoxide, and meteorological parameters in the marine boundary layer and the free troposphere over…”
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Quantum Decay at Long Times by Torrontegui, E., Muga, J.G., Martorell, J., Sprung, D.W.L.

“…We review the post-exponential decay regime in quantum mechanics, with special attention to potential scattering. The mathematical and physical reasons for…”
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Nocturnal depletion of ozone in the Upper Rhine Valley by Güsten, H., Heinrich, G., Sprung, D.

“…During the TRACT’92 (Transport of Air Pollutants over Complex Terrain) Field Measurement Campaign a total of 42 vertical profiles of ozone and meteorological…”
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