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Wyszukujesz frazę "Zakrzewski, A. J." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
Chaos Assisted Tunneling and Nonspreading Wave Packets
Autorzy:
Zakrzewski, J.
Delande, D.
Buchleitner, A.
Powiązania:
https://bibliotekanauki.pl/articles/1968540.pdf
Data publikacji:
1998-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
05.45.+b
32.80.Rm
42.50.Hz
Opis:
Consider an initial state lying on a primary resonance island. The state may tunnel into the chaotic sea surrounding it and further escape to infinity via chaotic diffusion. Properties of transport in such a situation are studied on an exemplary system - the hydrogen atom driven by microwaves. We show that the combination of tunneling followed by chaotic diffusion leads to peculiar large scale fluctuations of the AC Stark shift and ionization rates. An appropriate random matrix model describes accurately these statistical properties.
Źródło:
Acta Physica Polonica A; 1998, 93, 1; 179-186
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Growth of Scots pine (Pinus sylvestris L.) on forest and former agricultural lands in Krynki Forest District
Autorzy:
Zakrzewski, J.
Leosz, K.
Jedrzejuk, A.
Powiązania:
https://bibliotekanauki.pl/articles/38651.pdf
Data publikacji:
2013
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
plant growth
height growth
radial growth
Scotch pine
Pinus sylvestris
needle parameter
forest
agricultural land
Krynki Forest District
Opis:
The paper shows differences in morphological and anatomical features of the Scots pine (Pinus sylvestris L.) growing on former agricultural and forest lands. It was found that at the same age and in the same climatic conditions Scots pines from former agricultural land had larger stem dimensions and needle sizes as compared with the trees growing on forest land. These results lead to an interesting conclusion connected with future afforestation and reforestiation in the Krynki Forest District.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2013, 55, 2
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of Correlations and Off-Diagonal Terms in Binary Disordered One-Dimensional Systems
Autorzy:
Kosior, A.
Major, J.
Płodzień, M.
Zakrzewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1189984.pdf
Data publikacji:
2015-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
67.85.-d
03.75.-b
73.20.Fz
73.20.Jc
Opis:
We investigate one-dimensional tight binding model in the presence of a correlated binary disorder. The disorder is due to the interaction of particles with heavy immobile other species. Off-diagonal disorder is created by means of a fast periodic modulation of interspecies interaction. The method based on transfer matrix techniques allows us to calculate the energies of extended modes in the correlated binary disorder. We focus on N-mer correlations and regain known results for the case of purely diagonal disorder. For off-diagonal disorder we find resonant energies. We discuss ambiguous properties of those states and compare analytical results with numerical calculations. Separately we describe a special case of the dual random dimer model.
Źródło:
Acta Physica Polonica A; 2015, 128, 6; 1002-1007
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mineral content of muscle tissue of rainbow trout (Oncorhynchus mykiss Walbaum)
Autorzy:
Siemianowska, E.
Barszcz, A.A.
Skibniewska, K.A.
Markowska, A.
Polak-Juszczak, L.
Zakrzewski, J.
Wozniak, M.
Szarek, J.
Dzwolak, W.
Powiązania:
https://bibliotekanauki.pl/articles/13811.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Opis:
Fish are most often considered as a rich source of valuable fat, although sometimes the high quality of fish meat protein is also emphasized, but there is comparably little information on the mineral composition of fish meat. Chemical composition, caloric value and health safety of fish as food depend on many factors, of which the rearing conditions are most influential. Aside from environmental conditions, production technology is a major determinant of the quality and nutritional value of trout. In this study, the influence of a farming technology on the content of minerals in the muscle tissue of rainbow trout (Oncorhynchus mykiss Walbaum) netted in various Polish regions has been assessed. Fish were caught in autumn 2010 and 2011 and spring 2011, at 3 farms with a water flow-through system and 3 farms with water recirculation. The trout muscle tissue contained: 188.4 - 518.4 mg kg-1 of calcium, 306.9 - 338.1 mg kg-1 of magnesium, 464.0 - 718.2 mg kg-1 of sodium, 4.5 - 6.9 mg kg-1 of zinc, 2485.7 - 2823.6 mg kg-1 of phosphorous, 4261.2 - 4615.4 mg kg-1 of potassium, 3.0 - 9.4 mg kg-1 of iron and 0.09 – 11.74 mg kg-1 of copper. The farming technology influenced the content of calcium, sodium, zinc, iron and copper but had no effect on the content of magnesium, phosphorous and potassium in rainbow trout muscle tissue. Trout farmed in water recirculation systems contained higher amounts of most elements than the fish reared in water flow-through systems. The season of sample collection (date of netting) also affected the content of sodium, zinc, phosphorus, iron and copper. The fish farming site (localization of the farm) determined the content of most of the minerals except magnesium. Rainbow trout is a good source of phosphorous and potassium in a human diet, significantly covering the daily demand for the elements.
Źródło:
Journal of Elementology; 2016, 21, 3
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cold Atomic Gases in Optical Lattices with Disorder
Autorzy:
Schulte, T.
Drenkelforth, S.
Kruse, J.
Ertmer, W.
Arlt, J. J.
Kantian, A.
Sanchez-Palencia, L.
Santos, L.
Sanpera, A.
Sacha, K.
Zoller, P.
Lewenstein, M.
Zakrzewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2044614.pdf
Data publikacji:
2006-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
03.75.Kk
03.75.Lm
05.30.Jp
64.60.Cn
Opis:
Cold atomic gases placed in optical lattices enable studies of simple condensed matter theory models with parameters that may be tuned relatively easily. When the optical potential is randomized (e.g. using laser speckle to create a random intensity distribution) one may be able to observe Anderson localization of matter waves for non-interacting bosons, the so-called Bose glass in the presence of interactions, as well as the Fermi glass or quantum spin glass for mixtures of fermions and bosons.
Źródło:
Acta Physica Polonica A; 2006, 109, 1; 89-99
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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