Zobrazeno 1 - 10 of 42 pro vyhledávání: '"M N Hounkonnou"'
3
On the Nutrient distribution and phytoplankton biomass in the Gulf of Guinea equatorial band as inferred from In-situ measurements
Autor: O A Nubi, B Bourl egrave s, C A Edokpayi, M N Hounkonnou
Publikováno v: Journal of Oceanography and Marine Science (2141-2294) (Academic Journals), 2016-07, Vol. 7, N. 1, P. 1-11
Oceanographic in situ data collected in the Gulf of Guinea during six cruises carried out between 2005 and 2007 were analysed to study the influence of equatorial upwelling on the productivity of the region. At 10°W, observations during boreal summe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1295b1cf16ee7f2eca54cb9cf331b622
https://doi.org/10.5897/joms2016.0124
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5
Effects of critical fluctuations and dimensionality on the jump in specific heat at the superconducting transition temperature: Application to YBa_{2}Cu_{3}O_{7-δ},Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}, and KOs_{2}O_{6} compounds
Autor: R M, Keumo Tsiaze, A V, Wirngo, S E, Mkam Tchouobiap, A J, Fotue, E, Baloïtcha, M N, Hounkonnou
Publikováno v: Physical review. E. 93(6)
We report on a study of the superconducting order parameter thermodynamic fluctuations in YBa_{2}Cu_{3}O_{7-δ},Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}, and KOs_{2}O_{6} compounds. A nonperturbative technique within the framework of the renormalized Gaussian ap
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::87fc6f33e41684ba6987c14bc1f2fd3c
https://pubmed.ncbi.nlm.nih.gov/27415206
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6
Exactly solvable potentials for some triatomic molecular systems
Autor: Yves Justum, David Lauvergnat, M N Hounkonnou, Komi Sodoga
Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 37:1859-1872
We present a factorization method of the Hamiltonian operator of a triatomic molecular system constrained rigidly and obtain two new classes of exactly solvable potentials. Using some well-known shape invariance potentials, we obtain the spectrum of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6b9e0c36eb38035627b04cfce8bc3e3
https://doi.org/10.1088/0953-4075/37/9/007
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7
Self-adjoint extensions of the Laplacian and Aharonov–Bohm operators with a potential supported on a circle
Autor: M N Hounkonnou
Publikováno v: Journal of Physics A: Mathematical and General. 36:L523-L528
Using the definition of a self-adjoint operator, we give the self-adjoint extensions of the Laplacian and Aharonov–Bohm operators with a potential supported on a circle of radius R. This study gives rise to interesting results, namely all self-adjo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::285ee0c11b137d1a9bab6abcb580901e
https://doi.org/10.1088/0305-4470/36/40/l01
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8
The factorization method for the general second-orderq-difference equation and the Laguerre Hahn polynomials on the generalq-lattice
Autor: M N Hounkonnou, G Bangerezako
Publikováno v: Journal of Physics A: Mathematical and General. 36:765-773
For the general linear second-order q-difference equation, we show the interconnection between the factorization method and the Laguerre–Hahn polynomials on the general q-lattice. Applications are then given in the cases of the hypergeometric and A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a8535a52226d5d7a72775039964e34c
https://doi.org/10.1088/0305-4470/36/3/311
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9
Spectral and resonance properties of δ- and δ′-type interactions in relativistic quantum mechanics
Autor: G. Y. H. Avossevou, M. N. Hounkonnou
Publikováno v: Journal of Mathematical Physics. 42:30-51
We discuss spectral and resonance properties of exactly solvable Dirac Hamiltonians corresponding to a surface δ and δ′ interactions. First, we study spectral properties for δ-sphere and δ′-sphere models. Next, we analyze the resonance phenom
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1535571e0fa83a795f8c75434579e33a
https://doi.org/10.1063/1.1316060
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10
Production of Dirac particles in vacuum by external fields ind+ 1 (d= 3,2,1) dimensions
Autor: M N Hounkonnou, M Naciri
Publikováno v: Journal of Physics G: Nuclear and Particle Physics. 26:1849-1858
We calculate the probability of pair creation in vacuum in d + 1 dimensions (with d = 3,2,1), by an alternating electromagnetic field, in three cases. First, we consider an electromagnetic field composed of an alternating electric field and of a cons
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::706be6f7ef827a614381ccd8a28e3bd7
https://doi.org/10.1088/0954-3899/26/12/308
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