Search Results - "Tsujikawa, S."
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Distinguishing between inflationary models from cosmic microwave background
Published in Progress of theoretical and experimental physics (11-06-2014)“…In this paper, inflationary cosmology is reviewed, paying particular attention to its observational signatures associated with large-scale density…”
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Aspects of string-gas cosmology at finite temperature
Published in Physical review. D, Particles and fields (15-06-2003)Get full text
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Evidence for bulk trap generation during NBTI phenomenon in pMOSFETs with ultrathin SiON gate dielectrics
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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Cosmologies from higher-order string corrections
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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Are f(R) dark energy models cosmologically viable?
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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Reconstruction of general scalar-field dark energy models
Published in Physical review. D, Particles, fields, gravitation, and cosmology (15-10-2005)Get full text
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Negative bias temperature instability of pMOSFETs with ultra-thin SiON gate dielectrics
Published in 2003 IEEE International Reliability Physics Symposium Proceedings, 2003. 41st Annual (2003)“…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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Conditions for the cosmological viability of f ( R ) dark energy models
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-04-2007)Get full text
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Density perturbations in the ekpyrotic Universe and string-inspired generalizations
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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A unified approach to scaling solutions in a general cosmological background
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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The fate of (phantom) dark energy universe with string curvature corrections
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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Universality of power-law voltage dependence for TDDB lifetime in thin gate oxide PMOSFETs
Published in 2005 IEEE International Reliability Physics Symposium, 2005. Proceedings. 43rd Annual (2005)“…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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Alternative for evaluating sour gas resistance of low-alloy steels and corrosion-resistant alloys
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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Two concerns about NBTI issue: gate dielectric scaling and increasing gate current
Published in 2004 IEEE International Reliability Physics Symposium. Proceedings (2004)“…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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Phantom damping of matter perturbations
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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Non-commutative inflation and the CMB
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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Construction of nonsingular pre-big-bang and ekpyrotic cosmologies and the resulting density perturbations
Published in Physical review. D, Particles and fields (30-10-2002)Get full text
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Cosmological density perturbations from perturbed couplings
Published in Physical review. D, Particles and fields (15-10-2003)Get full text
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