Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Kanji Nishii"'
1
Akademický článek
String excitation by initial singularity of inflation
Autor: Kanji Nishii, Daisuke Yoshida
Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 10, Pp 1-23 (2021)
Abstract We discuss excitation of string oscillation modes by an initial singularity of inflation. The initial singularity of inflation is known to occur with a finite Hubble parameter, which is generally lower than the string scale, and hence it is
Externí odkaz: https://doaj.org/article/8a68f421d34146b991a0c7ef59cbec55
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2
Akademický článek
Spiky strings in de Sitter space
Autor: Mitsuhiro Kato, Kanji Nishii, Toshifumi Noumi, Toshiaki Takeuchi, Siyi Zhou
Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 5, Pp 1-31 (2021)
Abstract We study semiclassical spiky strings in de Sitter space and the corresponding Regge trajectories, generalizing the analysis in anti-de Sitter space. In particular we demonstrate that each Regge trajectory has a maximum spin due to de Sitter
Externí odkaz: https://doaj.org/article/98f4ca24eeea46038b63707e8affdde2
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3
String Excitation by Initial Singularity of Inflation
Autor: Daisuke Yoshida, Kanji Nishii
Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 10, Pp 1-23 (2021)
Journal of High Energy Physics
We discuss excitation of string oscillation modes by an initial singularity of inflation. The initial singularity of inflation is known to occur with a finite Hubble parameter, which is generally lower than the string scale, and hence it is not clear
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82a79be5f3202340a5de991a08715587
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7
Method of measure the thickness of liquid crystal layer using phase plate
Autor: Masami Ito, Kanji Nishii, Kenji Takamoto, Atsushi Fukui
Publikováno v: SPIE Proceedings.
The measurement of thickness of the liquid crystal layer has been done using the optical interference method with spectrophotometer up to now. But it took more than one minute to measure the thickness, and in-line measurement was impossible. So, in t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99ccb0492565b644ecfd730a07d0167f
https://doi.org/10.1117/12.246256
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8
Research on Wave Phenomena in Hydraulic Lines : 9th Report, Experimental Investigation of Oscillatory Orifice Flows
Autor: Akira Tanaka, Seiichi Washio, Tadataka Konishi, Kanji Nishii
Publikováno v: Bulletin of JSME. 25:1906-1913
Reciprocating oil flows through orifices are measured with the intention to verify the 'viscous end correction' theory developed in the previous paper. The impedance tube technique in acoustics can help detect varying-with-time flow rates. The transi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fef358e665dcbf9050222419d99dcd24
https://doi.org/10.1299/jsme1958.25.1906
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10
Research on Wave Phenomena in Hydraulic Lines : 10th Report, Experimental Discussion on Unsteady Nonlinearity of Orifice Flows
Autor: Tadataka Konishi, Seiichi Washio, Akira Tanaka, Kanji Nishii
Publikováno v: Bulletin of JSME. 25:1914-1920
This report intends to experimentally reveal the fundamental differences between the steady and unsteady nonlinearities of orifice flows. The same measurements as in the foregoing paper are conducted in pulsating oil flows through orifices. Separatin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52f0e0b38e474244e73898cacc5f6329
https://doi.org/10.1299/jsme1958.25.1914
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