Scientific Commons: Y. Takahashi

Spin squeezing of a cold atomic ensemble with the nuclear spin of one-half (2008)

Takano, T., Fuyama, M., Namiki, R., Takahashi, Y.

To establish an applicable system for advanced quantum information processing between light and atoms, we have demonstrated the quantum non-demolition (QND) measurement with a collective spin of cold...

Frustration-induced valence bond crystal and its melting in Mo3Sb7 (2008)

Koyama, T., Yamashita, H., Takahashi, Y., Kohara, T., Watanabe, I., Tabata, Y., ...

121/123Sb nuclear quadrupole resonance and muon spin relaxation experiments of Mo3Sb7 revealed symmetry breakdown to a nonmagnetic state below the transition recently found at TS=50 K. The transition...

The ITER quench experiment on long length at the SULTAN facility (2008)

Anghel, A., Marinucci, C., Vecsey, G., Takahashi, Y., Schultz, J., Bottura, L.

The ITER-QUELL, a quench propagation experiment on long length CICC with central channel (2008)

Anghel, A., Takahashi, Y., Smith, S., Pourrahimi, S., Zhelamskij, M., Blau, B., ...

Performance of the US quench detection systems in the QUELL experiments (2008)

Pourrahimi, S., Smith, S. P., Schultz, J. H., Minervini, J. V., Ezekiel, S., Anghel, A., ...

The Quench of Long Length (QUELL) experiments have been completed. The US contribution was to develop and implement both conventional and novel techniques in quench detection. The results of the...

Correlation between quench pressure and normal zone voltage observed in the QUELL experiment (2008)

Anghel, A., Pourrahimi, S., Takahashi, Y., Vecsey, G.

An interesting correlation between the quench pressure and the generated power was observed in the quench runs of the QUELL experiment. The experimental results indicate that the instantaneous values...

Evaluation of critical current performance of 13 T-46 kA steel jacketed Nb3Al conductor (2008)

Koizumi, N., Azuma, K., Tsuchiya, Y., Matsui, K., Takahashi, Y., Nakajima, H., ...

A 13 T-46 kA Nb3Al conductor with steel jacket has been developed in the framework of ITER-EDA. The thermal strain will appear on the Nb3Al strands after heat treatment, when the steel jacket is used...

Critical current test results of 13 T-46 kA Nb3Al cable-in-conduit conductor (2008)

Koizumi, N., Takahashi, Y., Nunoya, Y., Matsui, K., Ando, T., Tsuji, H., ...

In the framework of ITER-EDA, a 13 T-46 kA Nb3Al conductor with stainless steel jacket has been developed in order to demonstrate applicability of an Nb3Al conductor with react-and-wind technique to...

Review on the progress of the LHD experiment (2008)

Motojima, O., Yamada, H., Komori, A., Watanabe, K. Y., Mutoh, T., Takeiri, Y., ...

Recent progress in the Large Helical Device (LHD) experiment during the last 2 yr is reviewed. The LHD has been extending its operational regime toward fusion-relevant conditions while taking...

The ITER toroidal field model coil project (2008)

Ulbricht, A., Duchateau, J. L., Fietz, W. H., Ciazynski, D., Fillunger, H., Fink, S., ...

The ITER toroidal field model coil (TFMC) was designed, constructed and tested by the European Home Team in the framework of the ITER research and development program of the Engineering Design...

Implications of NbTi short-sample test results and analysis for the ITER poloidal field conductor insert (PFCI) (2008)

Zanino, R., Bagnasco, M., Baker, W., Bellina, F., Bruzzone, P., Della Corte, A., ...

As the test of the PFC1 is foreseen in 2006 at JAERI Naka, Japan, it is essential to consider in detail the lessons learned from the short NbTi sample tests, as well as the issues left open after...

Predictive analysis of the ITER Poloidal Field Conductor Insert (PFCI) test program (2008)

Zanino, R., Astrov, M., Bagnasco, M., Baker, W., Bellina, F., Ciazynski, D., ...

In this paper we discuss the predictive analysis performed in support of the test program of the International Thermonuclear Experimental Reactor (ITER) Poloidal Field Conductor Insert (PFCI). A...

Adaptive recognition of color-coded objects in indoor and outdoor environments (2008)

Takahashi, Y., Nowak, W., Wisspeintner, T.

A high-sensitivity microwave-single-photon detector with Rydberg atoms at low temperature (2008)

Haseyama, T., Arai, T., Fukuda, A., Funahashi, H., Ikeda, S., Imai, K., ...

Electrically driven spin excitation in a ferroelectric magnet DyMnO_3 (2007)

Kida, N., Ikebe, Y., Takahashi, Y., He, J. P., Kaneko, Y., Yamasaki, Y., ...

Temperature (5--250 K) and magnetic field (0--70 kOe) variations of the low-energy (1--10 meV) electrodynamics of spin excitations have been investigated for a complete set of light-polarization...

Spontaneous splitting of a quadruply charged vortex (2007)

Isoshima, T, Okano, M, Yasuda, H, Kasa, K, Huhtamaki, JAM, Kumakura, M, ...

The ATLAS Level-1 Trigger: Status of the System and First Results from Cosmic-Ray Data (2007)

Berge, D, Aielli, G, Andrei, V, Achenbach, R, Adragna, P, Aloisio, A, ...

The ATLAS detector at CERN's Large Hadron Collider (LHC) will be exposed to proton-proton collisions from beams crossing at 40 MHz. At the design luminosity of 10^34 cm^-2 s^-1 there are on average...

Determination of the s-wave scattering length and the C-6 van der Waals coefficient of Yb-174 via photoassociation spectroscopy (2007)

Enomoto, K, Kitagawa, M, Kasa, K, Tojo, S, Takahashi, Y

Degenerate fermi gases of ytterbium (2007)

Fukuhara, T, Takasu, Y, Kumakura, M, Takahashi, Y

Complete isolation of the pulmonary veins and posterior left atrium in chronic atrial fibrillation. Long-term clinical outcome (2007)

Sanders, Prashanthan, Hocini, M., Jais, P., Sacher, F., Hsu, L. F., Takahashi, Y., ...

Effects of Stepwise Ablation of Chronic Atrial Fibrillation on Atrial Electrical and Mechanical Properties (2007)

Takahashi, Y., O'Neill, M D., Hocini, M., Reant, Patricia, Jonsson, A., Jais, P., ...

Interactions between two simultaneous tachycardias within an electrically isolated pulmonary vein (2007)

Rostock, T., O'Neill, M D., Takahashi, Y., Sanders, Prashanthan, Haissaguerre, M.

The definitive version is available at www.blackwell-synergy.com

Complete isolation of the pulmonary veins and posterior left atrium in chronic atrial fibrillation. Long-term clinical outcome (2007)

Sanders, Prashanthan, Hocini, M., Jais, P., Sacher, F., Hsu, L. F., Takahashi, Y., ...

Effects of Stepwise Ablation of Chronic Atrial Fibrillation on Atrial Electrical and Mechanical Properties (2007)

Takahashi, Y., O'Neill, M D., Hocini, M., Reant, Patricia, Jonsson, A., Jais, P., ...

Interactions between two simultaneous tachycardias within an electrically isolated pulmonary vein (2007)

Rostock, T., O'Neill, M D., Takahashi, Y., Sanders, Prashanthan, Haissaguerre, M.

The definitive version is available at www.blackwell-synergy.com

Impact of Catheter Ablation of the Coronary Sinus on Paroxysmal or Persistent Atrial Fibrillation (2007)

Haissaguerre, Michel, Hocini, M., Takahashi, Y., O'Neill, M D., Pernat, Andrej, Sanders, Prashanthan, ...

The definitive version is available at www.blackwell-synergy.com

Impact of Catheter Ablation of the Coronary Sinus on Paroxysmal or Persistent Atrial Fibrillation (2007)

Haissaguerre, Michel, Hocini, M., Takahashi, Y., O'Neill, M D., Pernat, Andrej, Sanders, Prashanthan, ...

The definitive version is available at www.blackwell-synergy.com

Emulation and behavior understanding through shared values (2007)

Takahashi, Y., Kawamata, T., Asada, M., Negrello, M.

Neurophysiology has revealed the existence of mirror neurons in brain of macaque monkeys and they shows similar activities during executing an observation of goal directed movements performed by self...

EUSO science (2006)

Berezinsky, V., Blasi, P., Bottai, S., Dali, G., Koang, D.H., Mannheim, K., ...

EUSO is a mission to explore the extreme universe by the probe of Ultra High Energy Cosmic Rays (UHECRs) and UHE neutrinos. EUSO monitors a gigantic volume of atmosphere from Space and measures...

Precision measurement of vector and tensor analyzing powers in elastic deuteron-proton scattering (2006)

Mardanpour, H., Amir-Ahmadi, H. R., Deltuva, A., Itoh, K., Kalantar-Nayestanaki, N., Kawabata, T., ...

High precision vector and tensor analyzing powers of elastic deuteron-proton d+p scattering have been measured at intermediate energies to investigate effects of three-nucleon forces (3NF). Angular...

RESONANT BANDWIDTH ESTIMATION OF VOWELS USING CLUSTERED-LINE SPECTRUM MODELING FOR PRESSURE SPEECH WAVEFORMS (2006)

Yasojima, O., Takahashi, Y., Tohyama, M.

High-resolution photoassociation spectroscopy of ultracold ytterbium atoms by using the intercombination transition (2006)

Tojo, S, Kitagawa, M, Enomoto, K, Kato, Y, Takasu, Y, Kumakura, M, ...

On the probabilities associated with unitary matrices(The 7th Workshop on Stochastic Numerics) (2006)

Takahashi, Y.

Frequency mapping of the pulmonary veins in paroxysmal versus permanent atrial fibrillation (2006)

Sanders, Prashanthan, Nalliah, C. J., Dubois, R., Takahashi, Y., Hocini, M., Rotter, M., ...

The definitive version is available at www.blackwell-synergy.com

The stepwise ablation approach for chronic atrial fibrillation--evidence for a cumulative effect (2006)

O'Neill, M. D., Jais, P., Takahashi, Y., Jonsson, A., Sacher, F., Hocini, M., ...

The original publication is available at www.springerlink.com