June
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| 1日(金) | 文献紹介 |
| 2-3日 | 遠足 |
| 8日(金) | 文献紹介 |
| 15日(金) | 文献紹介 |
May
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30 | 31 | | |
| 11日(金) | 文献紹介 |
| 18日(金) | 文献紹介 |
| セミナー |
| 25日(金) | 文献紹介 |
| セミナー |
April
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| 6日(金) | 研究室開き |
| 13日(金) | 文献紹介 |
| 20日(金) | 文献紹介 |
March
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| 2日(金) | 文献紹介 |
| 9日(金) | セミナー |
| 19日(月) | セミナー |
| 30日(金) | 文献紹介 |
| 研究室閉め |
February
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| 3日(金) | 文献紹介 |
| セミナー |
| 6-8日(月-水) | 集中講義 |
| 10日(金) | 文献紹介 |
| セミナー |
| 27日(金) | 文献紹介 |
January
| Su | Mo | Tu | We |
Th | Fr | Sa |
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| 13日(金) | 文献紹介 |
| セミナー |
| 研究室開き |
| 20日(金) | 文献紹介 |
| 27日(金) | 予備審査予行 |
行事予定 Schedule
セミナー等は通常 理学部 2号館 2623号室にて行われます。
2012年 5月 11日 (金)
- 文献紹介 15:30-
- 榮田達也
- "Renormalizing chiral nuclear forces: a case study of 3P0"
- Bingwei Long, C.-J. Yang
- Phys.Rev. C84, 057001(2011)
(arXiv:1108.0985 [nucl-th])
2012年 4月 20日 (金)
- 文献紹介 13:00-
- 牧野広樹
- "Reconstructing Higgs boson properties from the LHC and Tevatron data"
- Pier Paolo Giardino, Kristjan Kannike, Martti Raidal, Alessandro Strumia
- arXiv:1203.4254 [hep-ph]
2012年 4月 13日 (金)
- 文献紹介 13:00-
- 水口拓也
- "On the number of Nambu-Goldstone bosons and its relation to charge densities"
- Haruki Watanabe, Tomas Brauner
- Phys.Rev.D84:125013,2011
(arXiv:1109.6327 [hep-ph])
2012年 3月 9日 (金)
- セミナー 15:00-
- 青木一氏 (佐賀)
- "Hierarchy problem revisited from the Wilsonian Renormalization Group"
-
We revisit the problem of quadratic divergences in field theories
from the viewpoint of the Wilsonian renormalization group (RG).
The quadratic divergences can be absorbed into a position of the
critical surface in the theory space,
while the scaling properties of RG flows around the critical
surface are determined only by the logarithmic divergences.
The fine-tuning problem of a bare mass of a scalar field is now
reduced to
the problem of how we tune the mass parameter close to the critical
surface.
It has nothing to do with the position of the critical surface itself,
and hence nothing with the quadratic divergences.
We also consider a theory with multiple scalar fields.
In this case mixings of relevant operators, i.e., mass parameters,
due to the logarithmic divergences are generically inevitable
and, unlike the quadratic divergences, large radiative corrections
by the mixings cannot be simply subtracted.
2012年 2月 27日 (月)
- 文献紹介 13:00-
- 萩本啓
- "The Minimal Composite Higgs Model"
- Kaustubh Agashe, Roberto Contino, Alex Pomarol
- Nucl.Phys. B719 (2005) 165-187
(arXiv:hep-ph/0412089v2)
- 仲村崇大
- "A 125 GeV SM-like Higgs in the MSSM and γγ rate"
- Maarcela Carena, Stefania Gori, Nausheen R.Shah, Carlos E.M.Wagner
- arXiv:1112.3336v1[hep-ph]
2012年 2月 3日 (金)
- 文献紹介 13:00-
- 久保幸貴
- "Expanding (3+1)-dimensional universe from a Lorentzian
matrix model for superstring theory in (9+1)-dimensions"
- Sang-Woo Kim, Jun Nishimura, Asato Tsuchiya
- Phys.Rev.Lett. 108 (2012) 011601
(arXiv:1108.1540 [hep-th])
- セミナー 15:00-
- Bum-Hoon Lee (Sogang University, Korea)
- "QCD phases with dense matter in holographic QCD"
-
We consider finite temperature QCD properties in the dense matter in the
framework of a holographic QCD. We first propose the simple holographic dual
geometry to the QCD with the finite density. We describe the the effect of
the Hawking-Page transition. We then study an influence of matters on the
deconfinement temperature. Then we investigate the density effect on the
meson spectrums. We present alternative model based on the D7 brane
embedding in black D3/D-instanton geometry. This corresponds to the
Yang-Mills theory with background gluon condensation. We first consider the
zero temperature and zero density limit. Then we extend to the finite
temperature and finite density case. In this setup, we study the phase
transitions among the chiral symmetry broken phase, chiral symmetry unbroken
phase and the baryon phase.
2012年 1月 20日 (金)
- 文献紹介 13:00-
- 吉本一世
- "Critical exponents of the $O(N)$ model in the infrared limit from functional renormalization"
- S. Nagy
- arXiv:1201.1625v1 [hep-th]
2012年 1月 13日 (金)
- 文献紹介 13:00-
- 上農和人
- "On the Possibility of Superluminal Neutrino Propagation"
- Jean Alexandre, John Ellis, Nick E. Mavromatos
- arXiv:1109.6296v3 [hep-ph]
- セミナー 15:30-
- 研究室開き
2011
2010
2009
2008
2007
2006