Statistical studies of Spinning Black-Hole Binaries (2009)
Lousto, Carlos O., Nakano, Hiroyuki, Zlochower, Yosef, Campanelli, Manuela
We study the statistical distributions of the spins of generic black-hole binaries during the inspiral and merger, as well as the distributions of the remnant mass, spin, and recoil velocity. For the...
Aylott, Benjamin, Baker, John G., Boggs, William D., Boyle, Michael, Brady, Patrick R., Brown, Duncan A., ...
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave data analysis communities. The purpose of NINJA is to...
Status of NINJA: the Numerical INJection Analysis project (2009)
Cadonati, Laura, Aylott, Benjamin, Baker, John G., Boggs, William D., Boyle, Michael, Brady, Patrick R., ...
The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis community. NINJA...
Status of NINJA: the Numerical INJection Analysis project (2009)
Aylott, Benjamin, Baker, John G., Boggs, William D., Boyle, Michael, Brady, Patrick R., Brown, Duncan A., ...
The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis community. NINJA...
Ando, Masaki, Kawamura, Seiji, Sato, Shuichi, Nakamura, Takashi, Tsubono, Kimio, Araya, Akito, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory), which is a future space gravitational wave antenna. DECIGO is expected...
Aylott, Benjamin, Baker, John G., Boggs, William D., Boyle, Michael, Brady, Patrick R., Brown, Duncan A., ...
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave data analysis communities. The purpose of NINJA is to...
Comparison of Post-Newtonian and Numerical Evolutions of Black-Hole Binaries (2009)
Nakano, Hiroyuki, Campanelli, Manuela, Lousto, Carlos O., Zlochower, Yosef
In this paper, we compare the waveforms from the post-Newtonian (PN) approach with the numerical simulations of generic black-hole binaries which have mass ratio $q\sim0.8$, arbitrarily oriented...
Regular second order perturbations of binary black holes: The Extreme mass ratio regime (2009)
Lousto, Carlos, Nakano, Hiroyuki
Also archived in arXiv:0804.3824 v1 Apr 24, 2008.
Campanelli, Manuela, Lousto, Carlos, Nakano, Hiroyuki, Zlochower, Yosef
Archived in arXiv:0808.0713 v3 Jan 1, 2009.
Aylott, Benjamin, Baker, John G., Boggs, William D., Boyle, Michael, Brady, Patrick R., Brown, Duncan A., ...
The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave data analysis communities. The purpose of NINJA is to...
Perturbations of Spacetime around a Stationary Rotating Cosmic String (2008)
Ogawa, Kouji, Ishihara, Hideki, Kozaki, Hiroshi, Nakano, Hiroyuki
We consider the metric perturbations around a stationary rotating Nambu-Goto string in Minkowski spacetime. By solving the linearized Einstein equations, we study the effects of azimuthal...
Perturbations of spacetime around a stationary rotating cosmic string (2008)
Ogawa, Kouji, Ishihara, Hideki, Kozaki, Hiroshi, Nakano, Hiroyuki
Archived in arXiv:0811.2846 v1 Now 18, 2008
Nakano, Hiroyuki, Campanelli, Manuela, Lousto, Carlos, Zlochower, Yosef
Also archived in: arXiv:0901.3861 v1 Jan 24 2009
Comparison of post-newtonian and numerical evolutions of black-hole binaries (2008)
Nakano, Hiroyuki, Campanelli, Manuela, Lousto, Carlos, Zlochower, Yosef
Proceedings from the 18th workshop on general relativity and gravitation, Hiroshima, Japan, Nov.17 - Nov.21, 2008
Three-body equations of motion in successive post-newtonian approximations (2008)
Lousto, Carlos, Nakano, Hiroyuki
Also archived in arXiv:0710.5542 v1 Oct 29, 2007
Campanelli, Manuela, Lousto, Carlos O., Nakano, Hiroyuki, Zlochower, Yosef
We compare waveforms and orbital dynamics from the first long-term, fully non-linear, numerical simulations of a generic black-hole binary configuration with post-Newtonian predictions. The binary...
Ando, Masaki, Kawamura, Seiji, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...
The Japanese space gravitational wave antenna; DECIGO (2008)
Kawamura, Seiji, Ando, Masaki, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...
A New method to integrate (2+1)-wave equations with Dirac’s delta functions as sources (2008)
Lousto, Carlos, Nakano, Hiroyuki
Also archived in arXiv:0802.4277 v2 Apr 21, 2008. Publisher version can be found at http://www.iop.org/EJ/abstract/0264-9381/25/14/145018/
Stationary rotating strings as relativistic particle mechanics (2008)
Kouji, Ogawa, Ishihara, Hideki, Kozaki, Horishi, Nakano, Hiroyuki, Saito, Shinya
Also archived in arXiv:0803.4072 v2 Jun 23, 2008. Publisher's version can be found here:...
Regular second order perturbations of binary black holes: The extreme mass ratio regime (2008)
Lousto, Carlos O., Nakano, Hiroyuki
In order to derive the precise gravitational waveforms for extreme mass ratio inspirals (EMRI), we develop a formulation for the second order metric perturbations produced by a point particle moving...
Stationary Rotating Strings as Relativistic Particle Mechanics (2008)
Ogawa, Kouji, Ishihara, Hideki, Kozaki, Hiroshi, Nakano, Hiroyuki, Saito, Shinya
Stationary rotating strings can be viewed as geodesic motions in appropriate metrics on a two-dimensional space. We obtain all solutions describing stationary rotating strings in flat spacetime as an...
A new method to integrate (2+1)-wave equations with Dirac's delta functions as sources (2008)
Lousto, Carlos O., Nakano, Hiroyuki
Unlike in the Schwarzschild black hole background, gravitational perturbations in a Kerr black hole background can not be decomposed into simple tensor harmonics in the time domain. Here, we make...
New method to integrate 2+1 wave equations with Dirac's delta functions as sources (2008)
Nakano, Hiroyuki, Lousto, Carlos O.
Gravitational perturbations in a Kerr black hole background can not be decomposed into simple tensor harmonics in the time domain. Here, we make the mode decomposition only in the azimuthal direction...
Summary of session B3: analytic approximations, perturbation methods and their applications (2008)
Jaranowski, Piotr, Arun, K. G., Barack, Leor, Blanchet, L., Buonanno, Alessandra, De Laurentis, M. F., ...
The paper summarizes the parallel session B3 analytic approximations, perturbation methods and their applications of the GR18 conference. The talks in the session reported notably recent advances in...
Ando, M., Kawamura, Seiji, Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...
The Japanese space gravitational wave antenna: DECIGO (2008)
Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...
The Japanese space gravitational wave antenna - DECIGO (2008)
Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. The goal of DECIGO is to detect gravitational waves from various kinds of...
Three-body equations of motion in successive post-Newtonian approximations (2007)
Lousto, Carlos O., Nakano, Hiroyuki
There are periodic solutions to the equal-mass three-body (and N-body) problem in Newtonian gravity. The figure-eight solution is one of them. In this paper, we discuss its solution in the first and...
Second order quasi-normal mode of the Schwarzschild black hole (2007)
Nakano, Hiroyuki, Ioka, Kunihito
Also archived in arXiv:0708.0450 v1 Aug 3, 2007
Second and higher-order quasi-normal modes in binary black hole mergers (2007)
Ioka, Kunihito, Nakano, Hiroyuki
Also archived in arXiv:0704.3467 v3 Aug 3, 2007
Second Order Quasi-Normal Mode of the Schwarzschild Black Hole (2007)
Nakano, Hiroyuki, Ioka, Kunihito
We formulate and calculate the second order quasi-normal modes (QNMs) of a Schwarzschild black hole (BH). Gravitational wave (GW) from a distorted BH, so called ringdown, is well understood as QNMs...
Second and higher-order quasi-normal modes in binary black hole mergers (2007)
Ioka, Kunihito, Nakano, Hiroyuki
Black hole (BH) oscillations known as quasi-normal modes (QNMs) are one of the most important gravitational wave (GW) sources. We propose that higher perturbative order of QNMs, generated by...
Ganz, Katsuhiko, Hikida, Wataru, Nakano, Hiroyuki, Sago, Norichika, Tanaka, Takahiro
General orbits of a particle of small mass $\mu$ around a Kerr black hole of mass $M$ are characterized by three parameters: the energy, the angular momentum and the Carter constant. The...
Regular second order perturbations of extreme mass ratio black hole binaries (2007)
Nakano, Hiroyuki, Lousto, Carlos O.
We report on the first results of self-consistent second order metric perturbations produced by a point particle moving in the Schwarzschild spacetime. The second order waveforms satisfy a wave...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Akutsu, Tomomi, Akutsu, Tomotadu, Ando, Masaki, Arai, Koji, Araya, Akito, Asada, H., ...
We analyze the data of the TAMA300 detector to search for gravitational waves from inspiraling compact star binaries with masses of the component stars in the range 1M[sun]–3M[sun]. In this...
The Japanese space gravitational wave antenna - DECIGO (2006)
Kawamura, Seiji, Nakamura, T., Ando, M., Seto, N., Tsubono, K., Numata, K., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. It aims at detecting various kinds of gravitational waves between 1 mHz and...
The adiabatic evolution of orbital parameters in the Kerr spacetime (2005)
Sago, Norichika, Tanaka, Takahiro, Hikida, Wataru, Ganz, Katsuhiko, Nakano, Hiroyuki
We investigate the adiabatic orbital evolution of a point particle in the Kerr spacetime due to the emission of gravitational waves. In the case that the timescale of the orbital evolution is enough...
Adiabatic radiation reaction to the orbits in Kerr Spacetime (2005)
Sago, Norichika, Tanaka, Takahiro, Hikida, Wataru, Nakano, Hiroyuki
Geodesic motion of a point particle in Kerr geometry has three constants of motion, energy $E$, azimuthal angular momentum $L$, and Carter constant $Q$. Under the adiabatic approximation, radiation...
Black Strings in Our World (2005)
Nakano, Hiroyuki, Nakao, Ken-ichi, Yamaguchi, Masahide
The brane world scenario is a new approach to resolve the problem on how to compactify the higher dimensional spacetime to our 4-dimensional world. One of the remarkable features of this scenario is...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
Ando, M., Arai, K., Aso, Y., Beyersdorf, P. T., Hayama, K., Iida, Y., ...
Ahmed, Ashraf M., Nakano, Hiroyuki, Shimamoto, Tadashi
Objectives: To characterize class 1 and class 2 integrons among non-typhoid Salmonella enterica serovars in Japan, and also to monitor the spread of the multidrug-resistant S. enterica serovar...
Ahmed, Ashraf M., Nakano, Hiroyuki, Shimamoto, Tadashi
Objectives: To characterize class 1 and class 2 integrons among non-typhoid Salmonella enterica serovars in Japan, and also to monitor the spread of the multidrug-resistant S. enterica serovar...
Self-force Regularization in the Schwarzschild Spacetime (2004)
Hikida, Wataru, Nakano, Hiroyuki, Sasaki, Misao
We discuss the gravitational self-force on a particle in a black hole space-time. For a point particle, the full (bare) self-force diverges. The metric perturbation induced by a particle can be...
Quasinormal Ringing for Acoustic Black Holes at Low Temperature (2004)
Nakano, Hiroyuki, Kurita, Yasunari, Ogawa, Kouji, Yoo, Chul-Moon
We investigate a condensed matter ``black hole'' analogue, taking the Gross-Pitaevskii (GP) equation as a starting point. The linearized GP equation corresponds to a wave equation on a black hole...
Hikida, Wataru, Jhingan, Sanjay, Nakano, Hiroyuki, Sago, Norichika, Sasaki, Misao, Tanaka, Takahiro
In a previous paper, based on the black hole perturbation approach, we formulated a new analytical method for regularizing the self-force acting on a particle of small mass $\mu$ orbiting a...
Tsunesada, Yoshiki, Kanda, Nobuyuki, Nakano, Hiroyuki, Tatsumi, Daisuke, Ando, Masaki, Sasaki, Misao, ...
Gravitational radiation from a slightly distorted black hole with ringdown waveform is well understood in general relativity. It provides a probe for direct observation of black holes and...
An Improved Search Method for Gravitational Ringing of Black Holes (2004)
Nakano, Hiroyuki, Takahashi, Hirotaka, Tagoshi, Hideyuki, Sasaki, Misao
A black hole has characteristic quasi-normal modes that will be excited when it is formed or when the geometry is perturbed. The state of a black hole when the quasi-normal modes are excited is...
Continuous Manufacture of Cylindrical Laminated Veneer Lumber (2003)
INABA, Daisuke, MORITA, Masaaki, NAKANO, Hiroyuki, TAKENAKA, Akira, KAWAI, Shuichi
この論文は国立情報学研究所の学術雑誌公開支援事業により電子化されました。
Hikida, Wataru, Jhingan, Sanjay, Nakano, Hiroyuki, Sago, Norichika, Sasaki, Misao, Tanaka, Takahiro
We formulate a new analytical method for regularizing the self-force acting on a particle of small mass $\mu$ orbiting a black hole of mass $M$, where $\mu\ll M$. At first order in $\mu$, the...
Nakano, Hiroyuki, Sago, Norichika, Sasaki, Misao
We discuss the gravitational self-force on a particle in a black hole space-time. For a point particle, the full (bare) self-force diverges. It is known that the metric perturbation induced by a...
An Effective Search Method for Gravitational Ringing of Black Holes (2003)
Nakano, Hiroyuki, Takahashi, Hirotaka, Tagoshi, Hideyuki, Sasaki, Misao
We develop a search method for gravitational ringing of black holes. The gravitational ringing is due to complex frequency modes called the quasi-normal modes that are excited when a black hole...
Kobayashi, Katsuji, Nakano, Hiroyuki, Hayashi, Masahiro, Shimazaki, Masao, Fukutani, Yuken, Sasaki, Kazuo, ...
In addition to neuritic changes and amyloid deposits, neuronal and glial cell apoptosis is an important pathological feature of Alzheimer's disease (AD). Several factors have been postulated as...
Sago, Norichika, Nakano, Hiroyuki, Sasaki, Misao
The metric perturbation induced by a particle in the Schwarzschild background is usually calculated in the Regge-Wheeler (RW) gauge, whereas the gravitational self-force is known to be given by the...
Calculating the gravitational self-force in Schwarzschild spacetime (2002)
Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao
We present a practical method for calculating the local gravitational self-force (often called “radiation-reaction force”) for a pointlike particle orbiting a Schwarzschild black hole. This is an...
Calculating the gravitational self force in Schwarzschild spacetime (2002)
Barack,Leor, Mino,Yasushi, Nakano,Hiroyuki, Ori,Amos, Sasaki,Misao
We present a practical method for calculating the local gravitational self-force (often called "radiation-reaction force") for a pointlike particle orbiting a Schwarzschild black hole. This is an...
Calculating the gravitational self force in Schwarzschild spacetime (2002)
Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao
We present a practical method for calculating the local gravitational self-force (often called "radiation-reaction force") for a pointlike particle orbiting a Schwarzschild black hole. This is an...
Mino, Yasushi, Nakano, Hiroyuki, Sasaki, Misao
Covariant structure of the self-force of a particle in a general curved background has been made clear in the cases of scalar [Quinn], electromagnetic [DeWittBrehme], and gravitational charges...
Calculating the gravitational self force in Schwarzschild spacetime (2001)
Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao
We present a practical method for calculating the local gravitational self-force (often called ``radiation-reaction force'') for a pointlike particle orbiting a Schwarzschild black hole. This is an...
Self-Force on a Scalar Charge in Circular Orbit around a Schwarzschild Black Hole (2001)
Nakano, Hiroyuki, Mino, Yasushi, Sasaki, Misao
In an accompanying paper, we have formulated two types of regulariz_ation methods to calculate the scalar self-force on a particle of charge $q$ moving around a black hole of mass $M$, one of which...
Gravitational reaction force on a particle in the Schwarzschild background (2000)
Nakano, Hiroyuki, Sasaki, Misao
We formulate a new method to calculate the gravitational reaction force on a particle of mass $\mu$ orbiting a massive black hole of mass $M$. In this formalism, the tail part of the retarded Green...
Minami, Toshiaki, Nakano, Hiroyuki, Kobayashi, Takuya, Sugimoto, Yukihiko, Ushikubi, Fumitaka, Ichikawa, Atsushi, ...
Prostaglandin E2 (PGE2) is known to be the principal pro-inflammatory prostanoid and play an important role in nociception. To identify PGE receptor (EP) subtypes that mediate pain responses to...