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62 papers · 1 filter
Five-dimensional Black Hole and Particle Solution with Non-Abelian Gauge Field
Naoya Okuyama, Kei-ichi Maeda
We study the 5-dimensional Einstein-Yang-Mills system with a cosmological constant. Assuming a spherically symmetric spacetime, we find a new analytic black hole solution, which ap…
Unconventional magnetic transition and transport behavior in Na0.75CoO2
T. Motohashi, R. Ueda, E. Naujalis +5
Here we report an unconventional magnetic and transport phenomenon in a layered cobalt oxide, NaxCoO2. Only for x = 0.75, a magnetic transition of the second order was clearly dete…
Dirac's AEther in Curved Spacetime-II: The Geometric Amplification of the Cosmic Magnetic Induction
Marcelo Carvalho, A. L. Oliveira, C. R. Rabaca
We search for an amplification mechanism of the seed cosmic magnetic induction by studying a new version of the Dirac's aether in a curved cosmological background. We find that an…
The Baecklund transformation equations for the ultradiscrete KP equation
Nobuhiko Shinzawa, Ryogo Hirota
The Baecklund transformation for the ultradiscrete KP equation is proposed. An algorithm to eliminate variables from the ultradiscrete linear equations is proposed. The consistency…
The LXeGRIT Compton Telescope Prototype: Current Status and Future Prospects
E. Aprile, A. Curioni, K. L. Giboni +7
LXeGRIT is the first prototype of a novel concept of Compton telescope, based on the complete 3-dimensional reconstruction of the sequence of interactions of individual gamma rays…
On the Background Rate in the LXeGRIT Instrument during the 2000 Balloon Flight
A. Curioni, E. Aprile, K. L. Giboni +7
LXeGRIT is the first prototype of a novel Compton telescope for MeV gamma-ray astrophysics based on a Liquid Xenon Time Projection Chamber (LXeTPC), sensitive in the energy band of…