宇宙論ゼミ

日時:毎週火曜日午後1時30分より
場所:5階セミナー室(511)


メインページへ Cosmology-Seminar-List

2008年度後期

2008/2/9 (村田 佳樹)

「ゲージ理論で見るGregory-Laflamme不安定性」

T.Hollowood, S.P.Kumar and A.Naqvi, "Instabilities of the Small Black Hole: A View from N=4 SYM", JHEP 0701:001, 2007 arXiv:hep-th/0607111

V.E.Hubeny and M.Rangamani, "Unstable horizons" JHEP 0205:027,2002,arXiv:hep-th/0202189



2008/2/3 (山内 大介)

"The Instability of Vacua in Gauss-Bonnet Gravity"

Charmousis and Padilla, JHEP 0812, 038 (2008) arXiv:0807.2864.

Deser and Tekin, Phys. Rev. D 67, 084009 (2003) arXiv:hep-th/0212292.

2008/1/26 (丹澤 優)

"Axiomatic approach to the cosmological constant"

C. Beck, arXiv:0810.0752 [gr-qc]

L. Nottale, "Scale-relativistic cosmology", Chaos, Solitons & Fractals


2008/1/13 (仙洞田 雄一)

「自発的対称性の破れで質量が与えられた重力場の理論でのユニタリ性」

G. 't Hooft, "Unitarity in the Brout-Englert-Higgs Mechanism for Gravity"


2008/1/5 (Dr. Antonio De Felice [University of Louvain])

"Trapping gravitons on the core of a hypermonopole"


2008/12/9 (高橋 慶太郎)

「cosmic stringからの重力波」

T. Damour and A. Vilenkin, PRD 71 063510 (2005)

M. R. DePies and C. J. Hogan, PRD 75 125006 (2007)


2008/12/1 阪京市合同セミナー

2008/11/25 (Dr. Robelto Emparan [University of Barcelona])

"Blackfolds"


2008/11/4 (佐藤 真希)

「ホライズン外における非線形宇宙論的揺らぎの保存」 S. Weinberg, "Non-Gaussian Correlations Outside the Horizon II: The General Case", arXiv:0810.2831[hep-ph] (2008).


2008/10/28 (鈴木 良拓)

「Schwinger effect のレビュー」

J. Schwinger, "On Gauge Invariance and Vacuum Polarization", Phys. Rev. 82, 664(1951)


2008/10/21 Dr. Harvey S. Reall (Cambridge U., DAMTP)

"Near-horizon geometries"

http://tapwiki.scphys.kyoto-u.ac.jp/mediawiki/index.php/%E7%94%BB%E5%83%8F:Reall_081021.pdf


2008/10/14 (八木 絢外)

「AdS-Gauss-Bonnet BHの熱力学的安定性」

Cai PRD65 084014 (2002)

Boulware and Deser PRL55 2656 (1985)

Hawking and Page, Commun. Math. Phys.87 577 (1983)


2008/10/7 (田辺 健太朗)

"Quantum Gravity Partition Functions in Three Dimensions" A. Maloney and E. Witten, arXiv:0712.0155

J. D. Brown and M. Henneaux, Commun.Math.Phys. 104, 207 (1986)

M. Banados, C. Teitelboim and J. Zanelli, Phys.Rev.Lett. 69 1849

2008年度前期

2008/7/15 (樫山 和己)

"Radion stabilization in RS-I model"

W. D. Goldberger and M. B. Wise, Phys.Rev.D60 (1999) 107505

W. D. Goldberger and M. B. Wise, Phys.Rev.lett.83 (1999) 4922

W. D. Goldberger and M. B. Wise, Phys.lett.B475 (2000) 275


2008/7/15 Dr. Kenji Kadota [University of Minnesota]

「ワープした余剰次元を持つ宇宙モデルにおける宇宙論」


2008/7/8(高本 亮)

"Gravitational Degrees of Freedom and the Initial-Value Problem"

J.M.York Phys.Rev.Lett.26,1656(1971)

J.M.York Phys.Rev.Lett.28,1082(1972)

J.M.York Math.Phys.13,(1972)

E. Gourgoulhon arXiv:gr-qc/0703035


2008/7/1(宝利 剛 氏 [大阪市立大学])

"Conformal Killing-Yano tensor and Kerr-NUT-de Siiter Spacetimes"

Frolov, Kubiznak, 0802.0322[hep-th]

Houri, Oota, Yasui, 0707.4039[hep-th], 0708.1368[hep-th], 0805.0838[hep-th], 0805.3877[hep-th]


2008/6/24(成子 篤)

K. Nakayama, S. Saito, Y. Suwa and J. Yokoyama, "Probing reheating temperature of the universe with gravitational wave background", arXiv:0804.1827 [astro-ph]

M. Turner, M. White and J. Lidsey, PRD 48, 4613 (1993)

T. Moroi, hep-ph/9503210 (1995)


2008/6/17(棚橋 典大)

M. Nozawa and T. Kobayashi, "Quasinormal modes of black holes localized on the Randall-Sundrum 2-brane", arXiv:0803.3317 [hep-th]

2008/6/3 阪京市合同セミナー

2008/5/27(菅沼 秀夫 氏 [物理学第2教室 原子核理論研究室])

Dブレーンを用いたQCDの解析

P. Kovtun, D.T. Son, A.O. Starinets, "Viscosity in strongly interacting quantum field theories from black hole physics," Phys.Rev.Lett.94:111601,2005.

G. Policastro, D.T. Son, A.O. Starinets, "The Shear viscosity of strongly coupled N=4 supersymmetric Yang-Mills plasma", Phys.Rev.Lett.87:081601,2001.

T.Sakai, S.Sugimoto,"Low energy hadron physics in holographic QCD", Prog.Theor.Phys.113:843-882,2005.

K. Nawa, H. Suganuma, T. Kojo,"Baryons in holographic QCD," Phys.Rev.D75:086003,2007.

2008/5/20(早田 次郎)

非相対論的双対対応
D.T.Son, "Toward an AdS/cold atoms corespondence: a geometric realization of the Schrodinger symmetry" , arXiv:0804.3972


2008/4/22(佐々木 節)Cosmic strings as a Source of Small-scale Microvave Back ground annisotropy

"Cosmic Strings as the Source of Small-Scale Microwave Background Anisotropy" L. Pogosian, S. H. Tye, I. Wasserman, M. Wyman arXiv:0804.0810 [astro-ph]


2008/04/15(高橋 慶太郎)WMAP 5th year

二つの回転不変モード
・E-mode:パリティ不変
・B-mode:パリティ破る