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Index for three dimensional superconformal field theories with general R-charge assignments

- Y. Imamura, Shuichiro Yokoyama
- Physics
- 3 January 2011

We derive a general formula of an index for three dimensional $ \mathcal{N} = 2 $ super-conformal field theories with general R-charge assignments to chiral multiplets by using the localization… Expand

Primordial Black Hole Scenario for the Gravitational-Wave Event GW150914.

- M. Sasaki, Teruaki Suyama, Takahiro Tanaka, Shuichiro Yokoyama
- PhysicsPhysical review letters
- 28 March 2016

TLDR

Primordial Black Holes - Perspectives in Gravitational Wave Astronomy -

- M. Sasaki, Teruaki Suyama, Takahiro Tanaka, Shuichiro Yokoyama
- Physics
- 16 January 2018

This is a review article on the primordial black holes (PBHs), with particular focus on the massive ones ($\gtrsim 10^{15}{\rm g}$) which have not evaporated by the present epoch by the Hawking… Expand

Current status of space gravitational wave antenna DECIGO and B-DECIGO

- S. Kawamura, M. Ando,
+84 authors Zong-Hong Zhu - PhysicsProgress of Theoretical and Experimental Physics
- 22 February 2021

The Deci-hertz Interferometer Gravitational Wave Observatory (DECIGO) is a future Japanese space mission with a frequency band of 0.1 Hz to 10 Hz. DECIGO aims at the detection of primordial… Expand

Primordial Non-Gaussianity in Multi-Scalar Inflation

- Shuichiro Yokoyama, Teruaki Suyama, Takahiro Tanaka
- Mathematics
- 19 November 2007

We give a concise formula for the non-Gaussianity of the primordial curvature perturbation generated on super-horizon scales in multi-scalar inflation model without assuming slow-roll conditions.… Expand

Chern Simons duality with a fundamental boson and fermion

- Sachin Jain, Shiraz Minwalla, Shuichiro Yokoyama
- Mathematics, Physics
- 30 May 2013

A bstractWe compute the thermal free energy for all renormalizable Chern Simon theories coupled to a single fundamental bosonic and fermionic field in the ’t Hooft large N limit. We use our results… Expand

Chern-Simons Theories and Wrapped M-Branes in Their Gravity Duals

- Y. Imamura, Shuichiro Yokoyama
- Physics
- 7 December 2008

We investigate a class of N = 4 quiver Chern-Simons theories and their gravity duals. We define the group of fractional D3-brane charges in a type IIB brane setup with taking account of D3-brane… Expand

Primordial statistical anisotropy generated at the end of inflation

- Shuichiro Yokoyama, J. Soda
- Physics
- 28 May 2008

We present a new mechanism for generating primordial statistical anisotropy of curvature perturbations. We introduce a vector field which has a non-minimal kinetic term and couples with a waterfall… Expand

Primordial Non-Gaussianity in Multi-Scalar Slow-Roll Inflation

- Shuichiro Yokoyama, Teruaki Suyama, Takahiro Tanaka
- Physics
- 22 May 2007

We analyze the non-Gaussianity for primordial curvature perturbations generated in multi-scalar slow-roll inflation model including the model with non-separable potential by making use of $\delta N$… Expand

Constraints on Earth-mass primordial black holes from OGLE 5-year microlensing events

- H. Niikura, H. Niikura,
+4 authors S. Masaki - PhysicsPhysical Review D
- 21 January 2019

We constrain the abundance of primordial black holes (PBH) using 2622 microlensing events obtained from 5-years observations of stars in the Galactic bulge by the Optical Gravitational Lensing… Expand

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