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Hokkaido University Collection of Scholarly and Academic Papers (53.914 recursos)
HUSCAP (Hokkaido University Collection of Scholarly and Academic Papers) contains peer-reviewed journal articles, proceedings, educational resources and any kind of scholarly works of Hokkaido University.

Mostrando recursos 1 - 20 de 121

1. Contribution of cellular contractility to spatial and temporal variations in cellular stiffness - Nagayama, Masafumi; Haga, Hisashi; Takahashi, Masayuki; Saitoh, Takayuki; Kawabata, Kazushige; ??, ??; ??, ?; ??, ??; ??, ??; ??, ??
We measured temporal variations in cellular stiffness when cellular contractility was regulated by dosing with lysophosphatidic acid or Y-27632.

2. Decomposition of methane hydrates in sand, sandstone, clays and glass beads - Uchida, Tsutomu; Takeya, Satoshi; Chuvilin, Evgene M.; Ohmura, Ryo; Nagao, Jiro; Yakushev, Vladimir S.; Istomin, Vladimir A.; Minagawa, Hideki; Ebinuma, Takao; Narita, Hideo; ??, ?
An edited version of this paper was published by AGU.

3. Nonlinear propagation analysis of few-optical-cycle pulses for subfemtosecond compression and carrier envelope phase effect - Mizuta, Yo; Nagasawa, Minoru; Ohtani, Morimasa; Yamashita, Mikio; ??, ?
A numerical approach called Fourier direct method (FDM) is applied to nonlinear propagation of optical pulses with the central wavelength 800 nm, the width 2.67–12.00 fs, and the peak power 25–6870 kW in a fused-silica fiber.

4. Electronic structure and spontaneous internal field around nonmagnetic impurities in spin-triplet chiral p-wave superconductors - Takigawa, Mitsuaki; Ichioka, Masanori; Kuroki, Kazuhiko; Tanaka, Yukio; ??, ??
The electronic structure around an impurity in spin-triplet p-wave superconductors is studied by theBogoliubov–de Gennes theory on a tight-binding model, where we have chosen sin px+i sin py-wave orsin(px+py)+i sin(?px+py)-wave states, which are considered to be candidates for the pairing state in Sr2RuO4.

5. Nanoscale phase changes in crystalline Ge2Sb2Te5 films using scanning probe microscopes - Satoh, H.; Sugawara, K.; Tanaka, K.; ??, ??
Nanoscale amorphous marks have been produced in crystalline Ge2Sb2Te5 films using anatomic-force microscope (AFM) and a scanning-tunneling microscope (STM) through electricalphase changes.

6. Finite-size scaling of multifractal wave functions: The metal-insulator transition in two-dimensional symplectic systems - Yakubo, K.; Ono, M.; ???, ??
The present method has the following advantages: (i) Quantities characterizing the critical behavior, such as the critical disorder Wc or the localization exponent ?, are multiply calculated from independent scaling analyses of spatial parts with different intensities in wave functions.

7. Persistent currents in Möbius strips - Yakubo, Kousuke; Avishai, Yshai; Cohen, Doron; ???, ??
The relation between the geometry of a two-dimensional sample and its equilibrium physical properties isexemplified here for a system of noninteracting electrons on a Mo¨bius strip.

8. Floating of extended states in a random magnetic field with a finite mean - Yakubo, K.; ???, ??
Effects of a uniform magnetic field on two-dimensional (2D) electrons subject to a random magnetic field(RMF) are studied by a multifractal scaling analysis.

9. Transfer matrix method for a dynamical mesoscopic system - Yakubo, K.; ???, ??
A transfer matrix method for analyzing quantum transport in harmonically driven systems with spatiotemporalcoherence has been developed.

10. Localization of two-dimensional electrons in a random magnetic field - Yakubo, K.; Goto, Y.; ???, ??
Analyzing eigenstates themselvesgives precise information on the localization of wave functions compared with that obtained from transportproperties.

11. Simulation studies of photon-assisted quantum transport - Yakubo, Kousuke; ???, ??
Transmission probabilities of incident electrons as Gaussian wave packets werecalculated for single- and double-barrier structures irradiated by electromagnetic fields that were focusedwithin a finite region .

12. Missing modes in the density of states of fractal networks - Yakubo, K.; Courtens, E.; Nakayama, T.; ???, ??
Above threshold (p>pc), not only does one find no accumulation of modes around the phonon-fracton crossover, but the number of modes is also depressed throughout the fracton region.

13. Fracton dynamics of percolating elastic networks: Energy spectrum and localized nature - Yakubo, K.; Nakayama, T.; ???, ??
We have performed computer experiments on the dynamics of two- and three-dimensional (2D and 3D) percolating elastic networks with the site number N>105.

14. Absence of the hump in the density of states of percolating clusters - Yakubo and, K.; Nakayama, T.; ???, ??
It is confirmed that the fracton density of states is proportional to ?1/3 in accord with the conjecture of Alexander and Orbach.

15. Resonance and mode conversion of phonons scattered by superlattices with inhomogeneity - Mizuno, Seiji; ??, ??
For phonons propagating through superlattices, "intermode" Bragg reflections due to the coupling of different polarization modes can occur besides ordinary "intramode" Bragg reflections, and corresponding frequency gaps are classified according to the types of Bragg reflection.

16. Eigenfrequency and decay factor of the localized phonon in a superlattice with a defect layer - Mizuno, Seiji; ??, ??
We theoretically study the localized vibrational modes in a superlattice with a defect layer.

17. Theoretical study on resonant transmission of acoustic phonons propagating through a superlattice-liquid interface - Mizuno, Seiji; ??, ??
We theoretically studied the resonant interaction of acoustic phonons with the vibrational mode localized near a superlattice-liquid interface.

18. Acoustic phonons in nanowire superlattices: Azimuthally symmetric torsional modes - Mizuno, Seiji; ??, ??
We study theoretically vibrational modes in a nanowire superlattice consisting of an alternate stacking of two cylindrical layers.

19. Resonant interaction of phonons with surface vibrational modes in a finite-size superlattice - Mizuno, Seiji; Tamura, Shin-ichiro; ??, ??
We study theoretically the interaction of phonons with surface vibrational modes in a finite-size superlattice with a free surface.

20. Impurity levels and resonant transmission of acoustic phonons in a double-barrier system - Mizuno, Seiji; Tamura, Shin-ichiro; ??, ??
We study theoretically the resonant transmission of acoustic phonons in a double-barrier system for phonons consisting of a bulk material sandwiched between periodic superlattices.

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