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6D supergravity without tensor multiplets
6D supergravity tensor multiplets
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2010/12/23
We systematically investigate the finite set of possible gauge groups and matter content for N = 1 supergravity theories in six dimensions with no tensor multiplets, focusing on nonabelian gauge grou...
Phase diagram of charge order in La1.8-xEu0.2SrxCuO4 from resonant soft x-ray diffraction
Phase diagram of charge order resonant soft x-ray diffraction
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2010/11/25
Resonant soft x-ray scattering experiments with photon energies near the O K and the Cu L3
edge on the system La1.8−xEu0.2SrxCuO4 for 0.1 x 0.15 are presented. A phase diagram
for stripe-l...
State independence for tunneling processes through black hole horizons and Hawking radiation
State independence black hole horizons Hawking radiation
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2010/12/20
Tunneling processes through black hole horizons have recently been investigated in the framework of WKB theory discovering interesting interplay with the Hawking radiation. In this paper we instead ad...
Modeling high-energy cosmic ray induced terrestrial muon flux: A lookup table
Modeling high-energy cosmic ray terrestrial muon flux A lookup table
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2011/1/5
On geological timescales, the Earth is likely to be exposed to an increased ux of high energy
cosmic rays (HECRs) from astrophysical sources such as nearby supernovae, gamma ray bursts
or by galacti...
Resonant recoil in extreme mass ratio binary black hole mergers
Resonant recoil extreme mass ratio binary black hole mergers
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2010/12/20
The inspiral and merger of a binary black hole system generally leads to an asymmetric distribution of emitted radiation, and hence a recoil of the remnant black hole directed opposite to the net line...
Thermodynamics of Slowly Rotating Charged Black Holes in anti-de Sitter Einstein-Gauss-Bonnet Gravity
Black Holes anti-de Sitter Einstein-Gauss-Bonnet Gravity
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2010/12/20
By using a new approach, we demonstrate analytic expressions for slowly rotating Gauss-Bonnet charged black holes with negative cosmological constant. Up to the linear order of the rotating parameter ...
Third order Lovelock black holes in flat space
Third order Lovelock black holes flat space
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2010/12/20
In this paper, we present the asymptotically flat black hole solutions for arbitrary values of coefficients in third order Lovelock gravity, and then derive gravitational mass, Hawking temperature and...
Entanglement Entropy of Two Black Holes and Entanglement Entropic Force
Entanglement Entropy Two Black Holes Entanglement Entropic Force
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2010/12/21
We study the entanglement entropy, SC, of a massless free scalar field on the outside region C of two black holes A and B whose radii are R1 and R2 and how it depends on the distance, r(≫ R1,R2)...
Evidence for strong orbital fluctuations below the Jahn-Teller transition in Sr$_3$Cr$_2$O$_8$
Evidence for strong orbital fluctuations Jahn-Teller transition
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2010/11/23
We report on the magnetic and phononic excitation spectrum of Sr3Cr2O8 determined by THz and
infrared (IR) spectroscopy, specific heat, and electron spin resonance measurements. We identify the singl...
Commensurate antiferromagnetic ordering in Ba(Fe{1-x}Co{x})2As2 determined by x-ray resonant magnetic scattering at the Fe K-edge
Commensurate antiferromagnetic x-ray resonant magnetic Fe K-edge
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2010/11/22
We describe x-ray resonant magnetic diffraction measurements at the FeK-edge of both the parent BaFe2As2 and superconducting Ba(Fe0.953Co0.047)2As2 compounds. From these high-resolution measurements w...
Infrared behavior in systems with a broken continuous symmetry: classical O(N) model vs interacting bosons
Infrared behavior in systems broken continuous symmetry interacting bosons
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2010/11/23
In systems with a spontaneously broken continuous symmetry, the perturbative loop expansion
is plagued with infrared divergences due to the coupling between transverse and longitudinal fluctuations.A...
Tkachenko modes in rotating neutron stars: the effect of compressibility and implications for pulsar timing noise
Tkachenko modes rotating neutron stars effect of compressibility implications pulsar timing noise
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2010/12/21
Long wavelength oscillations (Tkachenko waves) of the triangular lattice of quantized vortices in super uid neutron stars have been suggested as one of the possible explanations for the timing noise o...
Ridge Formation Induced by Jets in $pp$ Collisions at 7 TeV
Ridge Formation Induced Jets in $pp$ Collisions
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2011/1/7
An interpretation of the ridge phenomenon found in pp collisions at 7 TeV is given in terms of
enhancement of soft partons due to energy loss of semihard jets. A description of ridge formation in nuc...
Stability and Quasinormal Modes of Black holes in Tensor-Vector-Scalar theory: Scalar Field Perturbations
Stability Quasinormal Modes of Black holes Tensor-Vector-Scalar theory Scalar Field Perturbations
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2010/12/20
The imminent detection of gravitational waves will trigger precision tests of gravity through
observations of quasinormal ringing of black holes. While General Relativity predicts just two po-larizat...
Studies of Stellar Collapse and Black Hole Formation with the Open-Source Code GR1D
stellar collapse neutron stars black holes supernovae
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2010/12/20
We discuss results from simulations of black hole formation in failing core-collapse
supernovae performed with the code GR1D, a new open-source Eulerian spherically-symmetric
general-relativistic hy...