Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of GothenburgSE951 papers
- Centre National de la Recherche ScientifiqueFR805 papers
- Leiden UniversityNL590 papers
- Max Planck Institute for Radio AstronomyDE405 papers
- European Southern ObservatoryCL356 papers
- Center for Astrophysics Harvard & SmithsonianUS313 papers
- Leiden Observatory304 papers
- California Institute of TechnologyUS296 papers
- National Astronomical Observatory of JapanJP280 papers
- Observatoire de ParisFR268 papers
- Stockholm UniversitySE262 papers
- Centro de AstrobiologíaES252 papers
81 papers · 1 filter
M-branes on U-folds
Martin Cederwall
We give a preliminary discussion of how the addition of extra coordinates in M-theory, which together with the original ones parametrise a U-fold, can serve as a tool for formulati…
Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals
R. Fittipaldi, A. Vecchione, R. Ciancio +9
Superconducting behavior has been observed in the Sr2RuO4-Sr3Ru2O7 eutectic system as grown by the flux-feeding floating zone technique. A supercurrent flows across a single interf…
Large-N Limit of Crossing Probabilities, Discontinuity, and Asymptotic Behavior of Threshold Values in Mandelbrot's Fractal Percolation Process
Erik I. Broman, Federico Camia
We study Mandelbrot's percolation process in dimension . The process generates random fractal sets by an iterative procedure which starts by dividing the unit cube $[0,1]…
Attractive nearest-neighbor spin systems on the integers in a randomly evolving environment
Marcus Warfheimer
We consider spin systems on (i.e.\ interacting particle systems on in which each coordinate only has two possible values and only one coordinate changes in each transitio…
Stochastic domination for a hidden Markov chain with applications to the contact process in a randomly evolving environment
Erik I. Broman
The ordinary contact process is used to model the spread of a disease in a population. In this model, each infected individual waits an exponentially distributed time with paramete…
Models for dependent extremes using stable mixtures
Anne-Laure Fougères, John P. Nolan, Holger Rootzén
This paper unifies and extends results on a class of multivariate Extreme Value (EV) models studied by Hougaard, Crowder, and Tawn. In these models both unconditional and condition…
Detection of extragalactic H3O+
Floris van der Tak, Susanne Aalto, Rowin Meijerink
The H3O+ molecule probes the oxygen chemistry and the ionization rate of dense circumnuclear gas in galaxies. In particular, recent H3O+ observations show variations in the cosmic-…
Secondary Cosmic Ray particles due to GCR interactions in the Earth's atmosphere
G. Battistoni, F. Cerutti, A. Fassò +8
Primary GCR interact with the Earth's atmosphere originating atmospheric showers, thus giving rise to fluxes of secondary particles in the atmosphere. Electromagnetic and hadronic…
Degenerate principal series representations and their holomorphic extensions
Genkai Zhang
Let be an irreducible real bounded symmetric domain realized as a real form in an Hermitian symmetric domain . The intersection of the Shilov boundary of wit…
Radon transform on symmetric matrix domains
Genkai Zhang
Let $\bbK=\mathbb R, \mathbb C, \mathbb H$ be the field of real, complex or quaternionic numbers and $M_{p, q}(\bbK)$ the vector space of all -matrices. Let be the m…
A residue criterion for strong holomorphicity
Mats Andersson
We give a local criterion in terms of a residue current for strong holomorphicity of a meromorphic function on an arbitrary pure-dimensional analytic variety. This generalizes a re…
Superpotentials From Stringy Instantons Without Orientifolds
Christoffer Petersson
In this paper we show that it is possible to derive non-perturbative superpotential terms from a stringy instanton without introducing orientifold planes. The instanton is realized…
The critical contact process in a randomly evolving environment dies out
Jeffrey E. Steif, Marcus Warfheimer
Bezuidenhout and Grimmett proved that the critical contact process dies out. Here, we generalize the result to the so called contact process in a random evolving environment (CPREE…
The two-type Richardson model with unbounded initial configurations
Maria Deijfen, Olle Häggström
The two-type Richardson model describes the growth of two competing infections on and the main question is whether both infection types can simultaneously grow to oc…
HNC, HCN and CN in Seyfert galaxies
J. P. Pérez-Beaupuits, S. Aalto, H. Gerebro
Bright HNC 1--0 emission has been found towards several Seyfert galaxies. This is unexpected since traditionally HNC is a tracer of cold (10 K) gas, and the molecular gas of lumino…
Finite groups with an automorphism cubing a large fraction of elements
Peter Hegarty
We investigate the possible structures imposed on a finite group by its possession of an automorphism sending a large fraction of the group elements to their cubes, the philosophy…
Zero modes for the magnetic Pauli operator in even-dimensional Euclidean space
Mikael Persson
We study the ground state of the Pauli Hamiltonian with a magnetic field in R^(2d). We consider the case where a scalar potential W is present and the magnetic field B is given by…
IIB solutions with N>28 Killing spinors are maximally supersymmetric
U. Gran, J. Gutowski, G. Papadopoulos +1
We show that all IIB supergravity backgrounds which admit more than 28 Killing spinors are maximally supersymmetric. In particular, we find that for all N>28 backgrounds the superc…
GaAs:Mn nanowires grown by molecular beam epitaxy of (Ga,Mn)As at MnAs segregation conditions
J. Sadowski, P. Dluzewski, S. Kret +7
GaAs:Mn nanowires were obtained on GaAs(001) and GaAs(111)B substrates by molecular beam epitaxial growth of (Ga,Mn)As at conditions leading to MnAs phase separation. Their density…
Geometric Lagrangians for massive higher-spin fields
D. Francia
Lagrangians for massive, unconstrained, higher-spin bosons and fermions are proposed. The idea is to modify the geometric, gauge invariant Lagrangians describing the corresponding…
U-Duality and the Compactified Gauss-Bonnet Term
Ling Bao, Johan Bielecki, Martin Cederwall +2
We present the complete toroidal compactification of the Gauss-Bonnet Lagrangian from D dimensions to (D-n) dimensions. Our goal is to investigate the resulting action from the poi…
Self-organization of irregular NEM vibrations in multi-mode shuttle structures
L. M. Jonsson, F. Santandrea, L. Y. Gorelik +2
We investigate theoretically multi-mode electromechanical "shuttle" instabilities in DC voltage-biased nanoelectromechanical single-electron tunneling (NEM-SET) devices. We show th…
Manipulation with Andreev states in spin active mesoscopic Josephson junctions
J. Michelsen, V. S. Shumeiko, G. Wendin
We investigate manipulation with Andreev bound states in Josephson quantum point contacts with magnetic scattering. Rabi oscillations in the two-level Andreev subsystems are excite…
Electronic superlattices in corrugated graphene
A. Isacsson, L. M. Jonsson, J. M. Kinaret +1
We theoretically investigate electron transport through corrugated graphene ribbons and show how the ribbon curvature leads to an electronic superlattice with a period set by the c…