Temat: 02.30.Jk - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: New Applications of the (G/G,1/G)-Expansion Method
Autorzy:: Inan, I.
Ugurlu, Y.
Inc, M.
Powiązania:: https://bibliotekanauki.pl/articles/1401446.pdf
Data publikacji:: 2015-09
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 02.30.Ik
02.30.Jk
05.45.Yv
Opis:: In this paper, we study general solutions of the new fifth order nonlinear evolution and the Burgers KP equations with the aid of the two variables (G'/G,1/G)-expansion method. The kink, bell-shaped solitary wave, periodic and singular periodic solutions are obtained. Finally, the numerical simulations add to these obtained solutions.
Źródło:: Acta Physica Polonica A; 2015, 128, 3; 245-251
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Critical Fluctuations and 1/f$\text{}^{α}$-Activity of Neural Fields Involving Transmission Delays
Autorzy:: Hutt, A.
Frank, T. D.
Powiązania:: https://bibliotekanauki.pl/articles/2044577.pdf
Data publikacji:: 2005-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 87.19.La
05.40.Ca
02.30.Ks
05.70.Jk
Opis:: This work studies the stability and the stochastic properties of neural activity evoked by external stimulation. The underlying nonlocal model describes the spatiotemporal response dynamics of neural populations involving both synaptic delay and axonal transmission delay. We show that the linear model recasts to a set of affine delay differential equations in spatial Fourier space. Besides a stability study for general kernels and general external stimulation, the power spectrum of evoked activity is derived analytically in the case of external Gaussian noise. Further applications to specific kernels reveal critical fluctuations at Hopf- and Turing bifurcations and allow the numerical detection of 1/f$\text{}^{α}$fluctuations near the stability threshold.
Źródło:: Acta Physica Polonica A; 2005, 108, 6; 1021-1040
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: High Resolution Tips for Switching Magnetization MFM
Autorzy:: Precner, M.
Fedor, J.
Tóbik, J.
Šoltýs, J.
Cambel, V.
Powiązania:: https://bibliotekanauki.pl/articles/1372464.pdf
Data publikacji:: 2014-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.75.+a
75.70.-i
68.37.Rt
75.60.Jk
81.15.Ef
02.30.Nw
Opis:: Switching magnetization magnetic force microscopy (SM-MFM) is based on two-pass magnetic force microscopy with opposite orientation of tip magnetization between two scans. The sum of the scanned data with reversed tip magnetization depicts local van der Waals forces, and their difference maps the local magnetic forces. Tip magnetization can be easily reversed in external magnetic field during the scanning. The separation of the forces mapped enables scanning in close proximity of the sample (~5 nm). Therefore, extremely high spatial resolution (10 nm) is achievable by the SM-MFM. Image phase resolution of the MFM method depends on various geometric parameters of the tip, such as tip length, its apex radius and taper angle. The parameters are determined by the evaporation process, within which the standard atomic force microscopy tips are coated with magnetic layer. In this work we show that the thickness of the coated layer is important for the SM-MFM spatial resolution.
Źródło:: Acta Physica Polonica A; 2014, 126, 1; 386-387
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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