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Mineral Wool Macrostructure Parameter's Relation with Product's Mechanical Properties
2016
Medžiagotyra
value of the multiple correlation coefficient equals 0.95. ...
Determined that strong functional relationship exists between the values of critical compressive stress and macrostructure parameters, density and organic content of mineral wool products, because the ...
On completion of comparative calculations according to the empirical equation presented, very small values of σ10 are obtained (for instance, the σ10 calculated for a test specimen with a density 100 kg ...
doi:10.5755/j01.ms.22.1.9434
fatcat:rwyl7qmwpvag5ishehdkpvubci
Properties of the baryon antidecuplet
2004
Physical Review D
We study the group structure of baryon anti-decuplet containing the Θ^+. ...
We also derive SU(3) symmetric Lagrangian for the interactions of the baryons in the anti-decuplet with the meson octet and the baryon octet. ...
was completed. ...
doi:10.1103/physrevd.69.094009
fatcat:avqifnnvczfrrjkyhzrb37u7mi
Formation of Jupiter using opacities based on detailed grain physics
2010
Icarus (New York, N.Y. 1962)
Numerical simulations, based on the core-nucleated accretion model, are presented for the formation of Jupiter at 5.2 AU in 3 primordial disks with three different assumed values of the surface density ...
The grain opacities in the envelope of the protoplanet are computed using a detailed model that includes settling and coagulation of grains and that incorporates a recalculation of the grain size distribution ...
P. acknowledges the support of the Israel Academy of Sciences. N. M. acknowledges assistance from the Sackler Institute of Astronomy. ...
doi:10.1016/j.icarus.2010.06.009
fatcat:m2yasvq72vegtda7yhlbcqioqe
Morphology-dependent trends of galaxy age with environment in A 901/2 seen with COMBO-17
2007
Monthly Notices of the Royal Astronomical Society: Letters
Using COMBO-17 data, we define a sample of 530 galaxies, complete at M_V -5 h<-18 on an area of 3.5× 3.5 (Mpc/h)^2. ...
As a result, we find a clear trend of age with density for galaxies of all morphologies that include a spheroidal component, in the sense that galaxies in denser environments are older. ...
This final sample is > 95% complete in terms of cluster members. ...
doi:10.1111/j.1745-3933.2006.00272.x
fatcat:hkegws3eezh6jllmsjmcvaaany
Statistical properties of the dark matter haloes of dwarf galaxies and correlations with the environment
2012
Monthly notices of the Royal Astronomical Society
By fitting a large sample of well measured rotation curves, we infer constraints on both halo structural parameters (such as the logarithmic slope of the density profile and its concentration) and derived ...
The density profile of these mass dominating haloes may be determined by N - body simulations which mimic the evolution of the tiny initial density perturbations during the process leading to the structures ...
considered the maximal limit of complete blow out of all of the baryons. ...
doi:10.1111/j.1365-2966.2012.20936.x
fatcat:y7vyhrrtlfbnhjzf3eefpiocde
Effective conductivity of 2D isotropic two-phase systems in a magnetic field
2005
JETP Letters : Journal of Experimental And Theoretical Physics Letters
They allow to describe sigma_e of various inhomogeneous media at arbitrary phase concentrations x and magnetic fields. the x-dependence plots of sigma_e at some values of inhomogeneity and magnetic field ...
Using the linear fractional transformation, connecting effective conductivities sigma_e of isotropic two-phase systems with and without magnetic field, explicit approximate expressions for sigma_e in a ...
Acknowledgments The authors are thankful to Prof.A.P.Veselov for very useful discussions of some mathematical questions. ...
doi:10.1134/1.1898004
fatcat:46nk36m7tfgexm7raphh4p7p7y
No point-localized photon states
[article]
2020
arXiv
pre-print
Then it is found that the authors making these claims use a non-standard scalar product, not equal to the quantum-mechanical one. ...
The aim of this paper is to critically examine claims that it is possible to construct point-localized state vectors for the photon. We supply a brief proof of the impossibility of this. ...
Orthogonality of state vectors with different values of the index would be required to complete the proof, but no such result is given and would clearly not be possible. ...
arXiv:2005.14378v1
fatcat:lutoipgfyzetjkfyoqxubfj3j4
Dark energy, non-minimal couplings and the origin of cosmic magnetic fields
2010
Journal of Cosmology and Astroparticle Physics
This implies that in the presence of dark energy, the motion of large-scale structures generates magnetic fields. ...
Imposing the consistency of the theory in the weak-field limit, we show that it reduces to standard electromagnetism in the presence of an effective electromagnetic current which is generated by the momentum ...
Indeed, this type of fields can be amplified from quantum fluctuations during inflation in a completely analogous way to metric perturbations. ...
doi:10.1088/1475-7516/2010/12/025
fatcat:otycmt6ukfbulo4etz6lgmh7nu
Global poles of the two-loop six-pointN=4SYM integrand
2012
Physical Review D
Recently, a recursion relation has been developed, generating the four-dimensional integrand of the amplitudes of N=4 supersymmetric Yang-Mills theory for any number of loops and legs. ...
In this paper, I provide a comparison of the prediction for the two-loop six-point maximally helicity-violating (MHV) integrand against the result obtained by use of the leading singularity method. ...
I thank the Niels Bohr Institute for hospitality where part of this work was carried out. This work is supported by the European Research Council under Advanced Investigator Grant ERC-AdG-228301. ...
doi:10.1103/physrevd.86.085032
fatcat:eaqnfdhranf2vivix5pi64rgii
Probing dark matter haloes with satellite kinematics
2004
Monthly notices of the Royal Astronomical Society
The satellite kinematics are in excellent agreement with predictions based on the conditional luminosity function (CLF), providing independent, dynamical confirmation of the average mass-to-light ratios ...
Using detailed mock galaxy redshift surveys we investigate to what extent the kinematics of large samples of satellites galaxies extracted from flux-limited surveys can be used to constrain halo masses ...
ACKNOWLEDGEMENTS We are grateful to Yipeng Jing for providing us the set of numerical simulations used for the construction of our mock galaxy redshift surveys, and to Darren Croton, Ben Moore, Juerg Diemand ...
doi:10.1111/j.1365-2966.2004.08021.x
fatcat:flt7en3h3rfw3pkmt2kneb7zme
Grain opacity and the bulk composition of extrasolar planets
2014
Astronomy and Astrophysics
Our model is based on the comparison of the timescales of microphysical processes like grain settling in the Stokes and Epstein regime, growth by Brownian motion coagulation and differential settling, ...
We investigate the grain opacity k_gr in the atmosphere of protoplanets. ...
I thank the Max-Planck-Gesellschaft for the Reimar-Lüst Fellowship. I also thank the referee Dr. Morris Podolak for an interesting and constructive report that helped to improve the manuscript. ...
doi:10.1051/0004-6361/201423702
fatcat:sc6xjibbm5gb7oz7yxsn6jjl34
A sensitive submillimetre survey of broad absorption-line quasars
2007
Monthly notices of the Royal Astronomical Society
Using the SCUBA bolometer array on the JCMT, we have carried out a submillimetre survey of Broad Absorption Line quasars (BALQs). ...
from a K-S test and survival analysis) for a dependence of submm flux on the equivalent width of the characteristic CIV broad absorption line. ...
On the other hand, the Balnicity Index (BI: Weymann et al. 1991), a more conservative measure of the C IV EW (counting only high-velocity (>3000km s −1 ) absorption above 2000 km s −1 in width), returns ...
doi:10.1111/j.1365-2966.2006.11200.x
fatcat:5wtfg2gfhbhzjoybwnjletbquy
Levels of persistent organic pollutants in eastern North Atlantic humpback whales
2013
Endangered Species Research
We demonstrate potential for persistent organochlorine pollutants (POPs) as tracers to determine foraging ground provenance for samples collected on breeding grounds in the North Atlantic. ...
Concentrations were statistically compared to those from 20 samples collected from the Gulf of Maine in the western North Atlantic. ...
C.R. acknowledges a Marine Institute Networking Travel Grant to visit the University of ...
doi:10.3354/esr00545
fatcat:uhsnjlfab5ewthff5jsla6vzte
The Cosmic Web and galaxy evolution around the most luminous X-ray cluster: RX J1347.5−1145
2012
Monthly notices of the Royal Astronomical Society
We make use of ugriz CFHT MEGACAM photometry and VIMOS VLT spectroscopy to identify structures around the RXJ1347 on a scale of 20x20 Mpc2. ...
We construct maps of the galaxy distribution and the fraction of blue galaxies. We study the photometric galaxy properties as a function of environment, traced by the galaxy density. ...
2 , the medium with 20 Σ10 < 40 Mpc −2 and high density one with Σ10 40 Mpc −2 . ...
doi:10.1111/j.1365-2966.2012.20396.x
fatcat:j4g4vitt7re55hk4mdjetei23u
Magnon-phonon coupling from a crossing symmetric screened interaction
[article]
2021
arXiv
pre-print
A formalism is developed around the idea of imposing crossing symmetry on the interaction, in order to treat charge and spin on equal footing. ...
Here, the "order" refers to the 𝑠creened 𝑐ollective four-point interaction, 𝒲 - the crossing-symmetric analog of Hedin's W. ...
ACKNOWLEDGMENTS We acknowledge valuable discussions with Silke Biermann and financial support from the Swedish Research Council (VR). ...
arXiv:2111.00908v1
fatcat:lmznie5svrbyxhrdh3svcqb5oa
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