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Particle Accelerators inside Spinning Black Holes
Particle Accelerators Spinning Black Holes
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2010/3/18
On the basis of the Kerr metric as a model for a spinning black hole accreting test particles from rest at infinity, I show that the center-of-mass energy for a pair of colliding particles is generica...
Mass and Angular Momentum in General Relativity
Angular Momentum General Relativity
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2010/3/18
We present an introduction to mass and angular momentum in General Relativity. After briefly reviewing energy-momentum for matter fields, first in the flat Minkowski case (Special Relativity) and then...
The search for spinning black hole binaries in mock LISA data using a genetic algorithm
black hole binaries genetic algorithm
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2010/3/18
Coalescing massive Black Hole binaries are the strongest and probably the most important gravitational wave sources in the LISA band. The spin and orbital precessions bring complexity in the waveform ...
Magnetic Doppler imaging of alpha^2 Canum Venaticorum in all four Stokes parameters--Unveiling the hidden complexity of stellar magnetic fields
polarization stars atmospheres stars chemically peculiar stars magnetic fields stars individual: 2 CVn
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2010/3/8
Strong organized magnetic fields have been studied in the upper main sequence chemically peculiar stars for more than half a century. However, only recently have observational methods and numerical te...
Photometric Redshift Biases from Galaxy Evolution
Data Analysis and Techniques Galaxies
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2010/3/8
Proposed cosmological surveys will make use of photometric redshifts of galaxies that are significantly fainter than any complete spectroscopic redshift surveys that exist to train the photo-z methods...
New candidate Planetary Nebulae in the IPHAS survey: the case of PNe with ISM interaction
Planetary nebulae ISM interaction survey
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2010/3/8
We present the results of the search for candidate Planetary Nebulae interacting with the interstellar medium (PN-ISM) in the framework of the INT Photometric H$\alpha$ Survey (IPHAS) and located in t...
Spacetime Brout-Englert-Higgs effect in General Relativity interacting with p-brane matter
Brout-Englert-Higgs p-brane matter
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2010/3/19
We review the manifestation of the Brout-Englert-Higgs effect in general relativity interacting with point-like and extended objects (p-branes including string for p=1 and membrane for p=2), which man...
Einstein-Cartan gravity excludes extra dimensions
Riemann-Cartan weak/Planck hierarchy gravity
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2010/3/19
We show that the electron in the Riemann-Cartan spacetime with extra dimensions has a finite size that is much larger than the experimental upper limit on its radius. Thus the Arkani-Hamed-Dimopoulos-...
Inflation, modulation and baryogenesis with warm directions
warm directions Affleck-Dine warm inflation
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2010/3/18
There are many flat directions in SUSY models, which may dissipate their energy
and source the radiation background during inflation. However, the only possibility
that has been studied in this dire...
Acoustic black holes for relativistic fluids
black holes relativistic fluids
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2010/3/18
We derive a new acoustic black hole metric from the Abelian Higgs model. In the non-relativistic limit, while the Abelian Higgs model becomes the Ginzburg-Landau model, the metric reduces to an ordina...
New Insights into Dissipation in the Electron Layer During Magnetic Reconnection
New Insights Magnetic Reconnection Electron Layer
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2010/3/8
Detailed comparisons are reported between laboratory observations of electron-scale dissipation layers near a reconnecting X-line and direct two-dimensional full-particle simulations. Many experimenta...
Not So Black? The Statistics of Albedo and Energy Recirculation on Hot Exoplanets
data analysis — (stars:) planetary systems
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2010/3/8
[Abridged] We use a simple analytic model to analyze all of the published photometric observations of exoplanets. Our model has two parameters: the planets' Bond albedo, A, and its heat recirculation ...
本文接续《CZS折光理论化解广义相对论中的能量问题》，从引力场折光的角度，推出了“在弯曲时空中角动量不守恒”的论断，修正广义相对论的同时，合理地导出了“行星近日点的移动”、“光子在静态引力场中的运动轨迹”等方程。