Search Results - "Becker, W K"

Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem by Brankovits, D., Pohlman, J. W., Niemann, H., Leigh, M. B., Leewis, M. C., Becker, K. W., Iliffe, T. M., Alvarez, F., Lehmann, M. F., Phillips, B.

“…Subterranean estuaries extend inland into density-stratified coastal carbonate aquifers containing a surprising diversity of endemic animals (mostly…”
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Coexistence of superconductivity and charge-density waves in a two-dimensional Holstein model at half-filling by Sykora, S, Hübsch, A, Becker, K. W

“…On the one hand, in one dimension the coupling of electrons to phonons leads to a transition from a metallic to a Peierls distorted insulated state if the…”
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Dominant particle-hole contributions to the phonon dynamics in the spinless one-dimensional Holstein model by Sykora, S, Hübsch, A, Becker, K. W

“…In the spinless Holstein model at half-filling the coupling of electrons to phonons is responsible for a phase transition from a metallic state at small…”
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Magnetic properties and spin waves of bilayer magnets in a uniform field by SOMMER, T, VOJTA, M, BECKER, K. W

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Analytical approach to the quantum-phase transition in the one-dimensional spinless Holstein model by SYKORA, S, HÜBSCH, A, BECKER, K. W

“…We study the one-dimensional Holstein model of spinless fermions interacting with dispersion-less phonons by using a recently developed projector-based…”
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Renormalization of the periodic Anderson model : An alternative analytical approach to heavy-fermion behavior by HÜBSCH, A, BECKER, K. W

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Excitonic resonances in the 2D extended Falicov-Kimball model by Phan, V.-N, Fehske, H, Becker, K. W

“…Using the projector-based renormalization method we investigate the formation of the excitonic insulator phase in the two-dimensional (2D) spinless…”
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Phase separation in the Edwards model by Ejima, S., Sykora, S., Becker, K. W., Fehske, H.

“…The nature of charge transport within a correlated background medium can be described by spinless fermions coupled to bosons in the model introduced by…”
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Computer-aided perturbation theory by cumulants: Dimerized and frustrated spin-1/2 chain by SYKORA, S, HÜBSCH, A, BECKER, K. W

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Renormalization of the electron-phonon interaction: a reformulation of the BCS-gap equation by HÜBSCH, A, BECKER, K. W

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Continuous flow equilibration for mass spectrometric analysis of dinitrogen emissions by Well, R. (Universitat Gottingen, Gottingen, Germany.), Becker, K.W, Langel, R, Meyer, B, Reineking, A

“…The measurement of denitrification in soil by the 15N gas emission method requires determination of the N2 mole masses 28, 29, and 30. Direct determination of…”
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Luttinger liquid versus charge density wave behaviour in the one-dimensional spinless fermion Holstein model by Fehske, H., Wellein, G., Hager, G., Weiße, A., Becker, K.W., Bishop, A.R.

“…We discuss the nature of the different ground states of the half-filled Holstein model of spinless fermions in 1D. In the metallic regime we determine the…”
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Dietary Selenium Reduces the Formation of Aberrant Crypts in Rats Administered 3,2′-Dimethyl-4-aminobiphenyl by Feng, Yi, Finley, John W., Davis, Cindy D., Becker, William K., Fretland, Adrian J., Hein, David W.

“…Human epidemiologic studies suggest that low selenium status is associated with increased cancer risk and that selenium supplementation is associated with…”
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Single-particle excitations and phonon softening in the one-dimensional spinless Holstein model by SYKORA, S, HÜBSCH, A, BECKER, K. W, WELLEIN, G, FEHSKE, H

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Valence transition in the periodic Anderson model by HÜBSCH, A, BECKER, K. W

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Charge correlations in the weakly doped t-J model calculated by projection technique by VOJTA, M, BECKER, K. W

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Higher Frequency of Aberrant Crypt Foci in Rapid Than Slow Acetylator Inbred Rats Administered the Colon Carcinogen 3,2′-Dimethyl-4-aminobiphenyl by Feng, Yi, Fretland, Adrian J., Rustan, Timothy D., Jiang, Wen, Becker, William K., Hein, David W.

“…Humans and other mammals such as rats exhibit a genetic polymorphism in acetyltransferase (NAT2) capacity, yielding rapid and slow acetylator phenotypes. The…”
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Coherent motion of a hole in a two-dimensional quantum antiferromagnet by EDER, R, BECKER, K. W

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Cumulant approach to dynamical correlation functions by BECKER, K. W, BRENIG, W

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Eddy-enhanced primary production sustains heterotrophic microbial activities in the Eastern Tropical North Atlantic by Devresse, Quentin, Becker, Kevin W, Bendinger, Arne, Hahn, Johannes, Engel, Anja

“…Mesoscale eddies modulate the ocean's physical, chemical, and biological properties. In cyclonic eddies (CEs), nutrient upwelling can stimulate primary…”
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