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- Helmholtz Institute JenaDE407 papers
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- Pennsylvania State UniversityUS147 papers
- Fraunhofer Institute for Applied Optics and Precision EngineeringDE146 papers
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131 papers · 1 filter
A substellar component orbiting the F-star 30 Ari B
E. W. Guenther, M. Hartmann, M. Esposito +3
CONTEXT: Most current radial velocity planet search programs have concentrated on stars of one solar mass. Our knowledge on the frequency of giant planets and brown dwarf companion…
Toward a dynamical shift condition for unequal mass black hole binary simulations
Doreen Mueller, Bernd Bruegmann
Moving puncture simulations of black hole binaries rely on a specific gauge choice that leads to approximately stationary coordinates near each black hole. Part of the shift condit…
Measuring the spin of the primary black hole in OJ287
M. J. Valtonen, S. Mikkola, D. Merritt +7
The compact binary system in OJ287 is modelled to contain a spinning primary black hole with an accretion disk and a non-spinning secondary black hole. Using Post Newtonian (PN) ac…
The Debris Disk of Vega: A Steady-State Collisional Cascade, Naturally
Sebastian Müller, Torsten Löhne, Alexander V. Krivov
It has been argued that the photometric data and images of the archetypical debris disk around Vega may be in contradiction with the standard, steady-state collisional scenario of…
Scaling laws near the conformal window of many-flavor QCD
Jens Braun, Holger Gies
We derive universal scaling laws for physical observables such as the critical temperature, the chiral condensate, and the pion decay constant as a function of the flavor number ne…
Modified Fermi-sphere, pairing gap and critical temperature for the BCS-BEC crossover
S. Floerchinger, M. M. Scherer, C. Wetterich
We investigate the phase diagram of two-component fermions in the BCS-BEC crossover. Using functional renormalization group equations we calculate the effect of quantum fluctuation…