Search Results - "Tsujikawa, S."

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    Distinguishing between inflationary models from cosmic microwave background by Tsujikawa, Shinji

    “…In this paper, inflationary cosmology is reviewed, paying particular attention to its observational signatures associated with large-scale density…”
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    Journal Article
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    Evidence for bulk trap generation during NBTI phenomenon in pMOSFETs with ultrathin SiON gate dielectrics by Tsujikawa, S., Yugami, J.

    Published in IEEE transactions on electron devices (01-01-2006)
    “…Negative bias temperature instability (NBTI) of pMOSFETs with direct-tunneling SiON gate dielectrics was studied in detail. By investigating the effects of…”
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    Journal Article
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    Cosmologies from higher-order string corrections by Tsujikawa, S.

    Published in Annalen der Physik (01-04-2006)
    “…We study cosmologies based on low‐energy effective string theory with higher‐order string corrections to a tree‐level action and with a modulus scalar field…”
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    Journal Article
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    Are f(R) dark energy models cosmologically viable? by Amendola, Luca, Polarski, David, Tsujikawa, Shinji

    Published in Physical review letters (30-03-2007)
    “…All f(R) modified gravity theories are conformally identical to models of quintessence in which matter is coupled to dark energy with a strong coupling. This…”
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    Journal Article
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    Negative bias temperature instability of pMOSFETs with ultra-thin SiON gate dielectrics by Tsujikawa, S., Mine, T., Watanabe, K., Shimamoto, Y., Tsuchiya, R., Ohnishi, K., Onai, T., Yugami, J., Kimura, S.

    “…The negative bias temperature instability (NBTI) of pMOSFETs with ultra-thin gate dielectrics was investigated from four points of view: basic mechanism of…”
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    Conference Proceeding
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    Density perturbations in the ekpyrotic Universe and string-inspired generalizations by Tsujikawa, Shinji

    Published in Physics letters. B (07-02-2002)
    “…We study density perturbations in several cosmological models motivated by string theory. The evolution and the spectra of curvature perturbations R are…”
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    Journal Article
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    A unified approach to scaling solutions in a general cosmological background by Tsujikawa, Shinji, Sami, M.

    Published in Physics letters. B (09-12-2004)
    “…Our ignorance about the source of cosmic acceleration has stimulated study of a wide range of models and modifications to gravity. Cosmological scaling…”
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    Journal Article
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    The fate of (phantom) dark energy universe with string curvature corrections by Sami, M., Toporensky, Alexey, Tretjakov, Peter V., Tsujikawa, Shinji

    Published in Physics letters. B (21-07-2005)
    “…We study the evolution of (phantom) dark energy universe by taking into account the higher-order string corrections to Einstein–Hilbert action with fixed…”
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    Journal Article
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    Universality of power-law voltage dependence for TDDB lifetime in thin gate oxide PMOSFETs by Ohgata, K., Ogasawara, M., Shiga, K., Tsujikawa, S., Murakami, E., Kato, H., Umeda, H., Kubota, K.

    “…Voltage, polarity and thickness dependencies of time-to breakdown in n-FETs and p-FETs are investigated under inversion and accumulation conditions. The…”
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    Conference Proceeding
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    Alternative for evaluating sour gas resistance of low-alloy steels and corrosion-resistant alloys by TSUJIKAWA, S, MIYASAKA, A, UEDA, M, ANDO, S, SHIBATA, T, HARUNA, T, KATAHIRA, M, YAMANE, Y, AOKI, T, YAMADA, T

    Published in Corrosion (Houston, Tex.) (01-05-1993)
    “…Thiosulfate ion was used as a substitute for hydrogen sulfide (H sub 2 S) to simulate stress corrosion cracking (SCC) of corrosion-resistant alloys (CRAs) and…”
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    Journal Article
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    Two concerns about NBTI issue: gate dielectric scaling and increasing gate current by Tsujikawa, S., Akamatsu, Y., Umeda, H., Yugami, J.

    “…In order to obtain a clear perspective concerning the negative bias temperature instability (NBTI) issue toward 65-nm-node and beyond, (1) the impact of…”
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    Conference Proceeding
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    Phantom damping of matter perturbations by Amendola, Luca, Tsujikawa, Shinji, Sami, M.

    Published in Physics letters. B (12-01-2006)
    “…Cosmological scaling solutions are particularly important in solving the coincidence problem of dark energy. We derive the equations of sub-Hubble linear…”
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    Journal Article
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    Non-commutative inflation and the CMB by Tsujikawa, Shinji, Maartens, Roy, Brandenberger, Robert

    Published in Physics letters. B (13-11-2003)
    “…Non-commutative inflation is a modification of standard general relativity inflation which takes into account some effects of the space–time uncertainty…”
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    Journal Article
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