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Wyszukujesz frazę "05.20.-y" wg kryterium: Temat


Tytuł:
Comparison of Standard Statistical Thermodynamics with Generalized Statistical Thermodynamics Results for Ising Chain
Autorzy:
Tirnakli, U.
Demirhan, D.
Büyükkiliç, F.
Tematy:
05.50.+q
05.20.-y
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1964226.pdf  Link otwiera się w nowym oknie
Opis:
In this study, the internal energy and the specific heat of the one-dimensional Ising model obtained in the frame of the generalized statistical thermodynamics by Andrade, were somewhat extended and compared with the internal energy and the specific heat which were calculated in the standard (conventional) statistical thermodynamics. In the q → 1 case, approaching of the generalized internal energy and the specific heat to the standard well-known results, were illustrated by numerical applications. In addition to these, N ≫ 1 case was also investigated.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cyclostationarity and Resampling for Vibroacoustic Signals
Autorzy:
Leśkow, J.
Tematy:
02.50.-r
05.20.-y
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1490325.pdf  Link otwiera się w nowym oknie
Opis:
Cyclostationarity as a feature of signals was extensively studied in last decades. Publications of Serpedin or Gardner provide an important survey documenting the impact of cyclostationary models on signal analysis in telecommunication, mechanical, acoustic, and econometric signals. The aim of this paper is to introduce the concept of cyclostationarity for mechanical signals and to present the possibilities of various resampling procedures available for such signals. Recent research of Leśkow has shown applicability of bootstrap and subsampling procedures to cyclostationary models. This means, in particular, that the modern statistical mechanical signal analysis can be done without the assumption of Gaussianity and/or without specific linear filtration structure imposed on the signal. In the paper, we show that subsampling procedure proves to be a useful diagnostic tool for testing the cyclic autocorrelation structure for signals generated by vibration.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Non-Extensive Statistical Mechanics - a Possible Basis for Modelling Processes in Computer Memory System
Autorzy:
Strzałka, D.
Tematy:
89.20.Ff
05.20.-y
05.90.+m
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1538502.pdf  Link otwiera się w nowym oknie
Opis:
Tsallis definition of non-extensive entropy introduced in 1988 has been considered to obtain new possibilities to construct generalized thermodynamical basis for statistical physics expanding classical Boltzmann-Gibbs thermodynamics for nonequilibrium states. During the last two decades this q-generalized theory has been successfully applied to considerable number of physically interesting complex phenomena. In the paper the possible thermodynamical basis of processes will be presented in nowadays computer systems in the case of memory behaviour.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parking in the City: an Example of Limited Resource Sharing
Autorzy:
Šeba, P.
Tematy:
05.45.+b
05.20.-y
05.60.+w
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1585124.pdf  Link otwiera się w nowym oknie
Opis:
During the attempt to park a car in the city the drivers have to share limited resources (the available roadside). We show that this fact leads to a predictable distribution of the distances between the cars that depends on the length of the street segment used for the collective parking. We demonstrate in addition that the individual parking maneuver is guided by generic psychophysical perceptual correlates. Both predictions are compared with the actual parking data collected in the city of Hradec Kralove (Czech Republic).
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parking in the City
Autorzy:
Šeba, P.
Tematy:
05.20.-y
02.50.Cw
82.20.Mj
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/2047828.pdf  Link otwiera się w nowym oknie
Opis:
We show that the spacing distribution between parked cars can be obtained as a solution of certain linear distributional fixed point equation. The results are compared with the data measured on the streets of Hradec Králové. We also discuss a relation of these results to the random matrix theory.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the Molecular Shape on Its Thermodynamic Functions
Autorzy:
Lewandowska, A.
Konarski, J.
Tematy:
05.20.-y
05.70.-a
33.10.Cs
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1813167.pdf  Link otwiera się w nowym oknie
Opis:
Free energy and entropy were calculated for molecules of different shapes in gas phase and under small pressure. The values of the thermodynamic functions were found strongly dependent on the molecular shape. The results obtained were applied to predict the route of internal energy deactivation as well as the preferred form of the molecules examined.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Network Theory of Living Cell Clusters and Rheological Applications at Nano-Level
Autorzy:
Plavsic, M.
Pajic-Lijakovic, I.
Bugarski, B.
Tematy:
05.20.-y
36.20.-f
64.75.Yz
87.18.-h
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1503406.pdf  Link otwiera się w nowym oknie
Opis:
The system of living cells closed in a polymer matrix and self-organized into clusters is considered, extending free volume concept developed for complex system interactions quantification in statistical mechanics of jammed state of matter. Possibility of extension of Edwards concept of compactivity and angorisity developed for hard irregular grains with friction to living cell systems, is considered. Existences of scaling laws for cell colony grow, related to their self assembling and response to polymer hydrogel micro-environment constrains, is analyzed as function of rate of cluster density increase. Based on the theory proposed are developed relations, connecting cluster properties that are difficult to measure, to data from standard cell cultivation experiments. The model also provides possibilities of incorporation data on single cell behavior, available from modern nano- rheology measurements, into cluster
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model of Dynamical Correlation in Two-Ionic Strong Coupling Plasmas
Autorzy:
Chohra, T.
Chenini, K.
Meftah, M.
Boukraa, A.
Tematy:
52.20.Dq
52.65.Cc
47.40.Nm
05.20.-y
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1807779.pdf  Link otwiera się w nowym oknie
Opis:
The dynamics of an impurity ion of charge $q_{0}$ embedded in a two-component ionic plasma is represented as that of a particle in a random medium. The effect of the surroundings on the impurity is represented by a memory function whose form is proposed in this work. Our choice stands for the strongly coupled plasma for which the memory function has an oscillatory behavior with the plasma frequency. The model therefore describes the plasma in the strong coupling limit. We first derive a master equation governed by this memory function and, with the help of the Laplace transform, we solve it via a quartic algebraic equation. We calculate in the end the dynamical properties, i.e. the autocorrelation functions which are very useful in many areas of plasma physics as in radiative transport and in spectral line shape broadening theories.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on regional wealth inequalities: The case of Italy
Autorzy:
Ausloos, M.
Cerqueti, R.
Tematy:
89.65.Gh
93.30.-w
05.20.-y
05.10.Ln
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1075462.pdf  Link otwiera się w nowym oknie
Opis:
The paper contains a short review of techniques examining regional wealth inequalities based on recently published research work, but also presenting unpublished features. The data pertains to Italy over the period 2007-2011: the number of cities in regions, the number of inhabitants in cities and in regions, as well as the aggregated tax income of the cities and of regions. Frequency-size plots and cumulative distribution function plots, scatter plots and rank-size plots are displayed. The rank-size rule of a few cases is discussed. Yearly data of the aggregated tax income is transformed into a few indicators: the Gini, Theil, and Herfindahl-Hirschman indices. Numerical results confirm that IT is divided into very different regional realities. One region is selected for a short discussion: Molise. A note on the "first digit Benford law" for testing data validity is presented.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Long-Term Dependences on Hard Drives Performance during Human Computer Interaction
Autorzy:
Strzałka, D.
Tematy:
89.20.Ff
89.20.Kk
89.70.-a
89.75.-k
05.20.-y
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/1398898.pdf  Link otwiera się w nowym oknie
Opis:
Today, computer systems become one of the most important systems in technology and our life. They have a plenty of possible applications but most of them can be described as a transformation of (electrical) energy into useful work = calculations. This process is not so simple as it seems to be because the structure of computers hardware is very complicated and processed tasks are also very complex. Because the expectations of computer users are very high, a lot of computer resources are used only for operating systems normal work. Some existing solutions, especially in the memory system, guarantee that computer systems have acceptable performance but this parameter depends on many important system features. In this paper we will focus on one parameter, namely average disk time s/ transfer, in order to show the complex behavior of this memory system part during man-computer interaction. This is one of the most important counters in computer systems that works under Windows family operating systems and describes measurement related to hard drive based on the complete roundtrip time of any request.
Dostawca treści:
Biblioteka Nauki
Artykuł

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