Foundation Engineering for Offshore Gravity Structures (9999)
Schjetne,K., Andersen,K. H., Lauritzsen,R., Hansteen,O. E.
This is the third in a series of three state-of-the-art papers concerning the geotechnical engineering aspects of the installation of gravity platforms in the North Sea. In this paper, the foundation...
The Effect of Drainage on Cyclic Loading of Clay (9999)
Brown,S. F., Andersen,K. H., McElvaney,J.
A number of undrained cyclic load triaxial and simple shear tests were conducted on Norwegian Drammen clay each involving the introduction of drainage periods at suitable intervals. The behaviour of...
New results on focusing of gamma-rays with Laue lenses (2009)
Ferrari, F., Frontera, F., Loffredo, G., Virgilli, E., Guidorzi, C., Carassiti, V., ...
We report on new results on the development activity of broad band Laue lenses for hard X-/gamma-ray astronomy (70/100-600 keV). After the development of a first prototype, whose performance was...
How community ecology links natural mortality, growth, and production of fish populations (2009)
Andersen, K. H., Farnsworth, K. D., Pedersen, M., Gislason, H., Beyer, J. E.
Andersen, K. H., Farnsworth, K. D., Pedersen, M., Gislason, H., and Beyer, J. E. 2009. How community ecology links natural mortality, growth, and production of fish populations. – ICES Journal of...
UCN production by multiphonon processes in superfluid Helium under pressure (2008)
Schmidt-Wellenburg, P., Andersen, K. H., Zimmer, O.
Cold neutrons are converted to ultra-cold neutrons (UCN) by the excitation of a single phonon or multiphonons in superfluid helium. The dynamic scattering function S(q, omega) of the superfluid...
Ultracold-neutron infrastructure for the gravitational spectrometer GRANIT (2008)
Schmidt-Wellenburg, P., Andersen, K. H., Courtois, P., Kreuz, M., Mironov, S., Nesvizhevsky, V. V., ...
The gravitational spectrometer GRANIT will be set up at the Institut Laue Langevin. It will profit from the high ultracold neutron density produced by a dedicated source. A monochromator made of...
Focusing of gamma-rays with Laue lenses: first results (2008)
Frontera, F., Loffredo, G., Pisa, A., Nobili, F., Carassiti, V., Evangelisti, F., ...
We report on the first results obtained from our development project of focusing gamma-rays ($>$60 keV) by using Laue lenses. The first lens prototype model has been assembled and tested. We describe...
Neutron Beam Effects on Spin Exchange Polarized He-3 (2008)
Sharma, M., Babcock, E., Andersen, K. H., Barron-Palos, L., Becker, M., Boag, S., ...
We have observed depolarization effects when high intensity cold neutron beams are incident on alkali-metal-spin-exchange polarized He-3 cells used as neutron spin filters. This was first observed as...
Development status of a Laue lens project for gamma-ray astronomy (2007)
Frontera, F., Loffredo, G., Pisa, A., Milani, L., Nobili, F., Auricchio, N., ...
We report the status of the HAXTEL project, devoted to perform a design study and the development of a Laue lens prototype. After a summary of the major results of the design study, the approach...
Gamma-ray lens development status for a European Gamma-Ray Imager (2006)
Frontera, F., Pisa, A., Carassiti, V., Evangelisti, F., Loffredo, G., Pellicciotta, D., ...
A breakthrough in the sensitivity level of the hard X-/gamma-ray telescopes, which today are based on detectors that view the sky through (or not) coded masks, is expected when focusing optics will...
Corridors of barchan dunes: stability and size selection (2005)
Hersen, P., Andersen, K. H., Elbelrhiti, H., Andreotti, B., Claudin, P., Douady, S.
Barchans are crescentic dunes propagating on a solid ground. They form dune fields in the shape of elongated corridors in which the size and spacing between dunes are rather well selected. We show...
Telling, M T F, Andersen, K H, Abbley, D, Maxwell, D, Simpson, N, Bones, J, ...
The pyrolytic graphite (PG) analyser bank on the OSIRIS high-resolution quasi-elastic/low energy inelastic spectrometer at ISIS has been upgraded. The graphite is now cooled close to liquid helium...
Corridors of barchan dunes: stability and size selection (2003)
Hersen, P., Andersen, K. H., Elbelrhiti, H., Andreotti, B., Claudin, P., Douady, S.
Barchans are crescentic dunes propagating on a solid ground. They form dune fields in the shape of elongated corridors in which the size and spacing between dunes are rather well selected. We show...
Corridors of barchan dunes: stability and size selection (2003)
Hersen, P., Andersen, K. H., Elbelrhiti, H., Andreotti, B., Claudin, P., Douady, S.
Barchans are crescentic dunes propagating on a solid ground. They form dune fields in the shape of elongated corridors in which the size and spacing between dunes are rather well selected. We show...
Corridors of barchan dunes: stability and size selection (2003)
Hersen, P., Andersen, K. H., Elbelrhiti, H., Andreotti, B., Claudin, P., Douady, S.
Barchans are crescentic dunes propagating on a solid ground. They form dune fields in the shape of elongated corridors in which the size and spacing between dunes are rather well selected. We show...
JEM-X : The X-ray monitor aboard INTEGRAL (2003)
Lund, N., Budtz-Jørgensen, C., Westergaard, N. J., Brandt, S., Rasmussen, I. L., Hornstrup, A., ...
JEM-X inflight performance (2003)
Brandt, S., Budtz-Jørgensen, C., Lund, N., Westergaard, N. J., Rasmussen, I. L., Andersen, K. H., ...
Frick, K. H., Alba-Simionesco, C., Andersen, K. H., Willner, L.
This version is available at the following Publisher URL: http://pre.aps.org
Pattern Dynamics of Vortex Ripples in Sand: Nonlinear Modeling and Experimental Validation (2002)
Andersen, K. H., Abel, M., Krug, J., Ellegaard, C., Soendergaard, L. R., Udesen, J.
Vortex ripples in sand are studied experimentally in a one-dimensional setup with periodic boundary conditions. The nonlinear evolution, far from the onset of instability, is analyzed in the...
Hierarchical Markovian modeling of multi-time scale systems (2002)
Abel, M., Andersen, K. H., Lacorata, G.
We present a systematic way to analyze and model systems having many characteristic time-scales. The method we propose is employed for a test-case of a meandering jet model manifesting chaotic tracer...
Low temperature magnetic properties of LuBaCuFeO5+d and TmBaCuFeO5+d (2002)
Mombru, AW, Goeta, A E, Pardo, H, Lisboa-Filho, PN, Suescun, L, Mariezcurrena, RA, ...
Crystal structure and spiral magnetic ordering of BiFeO3 doped with manganese (2002)
Sosnowska, I, Schafer, W, Kockelmann, W, Andersen, K H, Troyanchuk, I O
The Stability Balloon for Two-dimensional Vortex Ripple Patterns (2001)
Hansen, J. L., Van Hecke, M., Ellegaard, C., Andersen, K. H., Bohr, T., Haaning, A., ...
Patterns of vortex ripples form when a sand bed is subjected to an oscillatory fluid flow. Here we describe experiments on the response of regular vortex ripple patterns to sudden changes of the...
Mesoscopic and microscopic phase segregation in manganese perovskites (2001)
Radaelli, P G, Ibberson, R M, Argyriou, D N, Casalta, H, Andersen, K H, Cheong, S-W, ...
Stability Balloon for Two-Dimensional Vortex Ripple Patterns (2001)
Andersen, K. H., Bohr, T., Ellegaard, C., Hansen, J. L., Van Hecke, M.
Mesoscopic and Microscopic Phase Segregation in Manganese Perovskites (2000)
Radaelli, P. G., Ibberson, R. M., Argyriou, D. N., Casalta, H., Andersen, K. H., ...
Mesoscopic (500-2000 Angstrom) and microscopic (5-20 Angstrom) phase segregation with temperature and magnetic field was studied in the model manganite Pr0.7Ca0.3MnO3 by high-resolution neutron...
Simple stochastic models showing strong anomalous diffusion (2000)
Andersen, K. H., Castiglione, P., Mazzino, A., Vulpiani, A.
We show that {\it strong} anomalous diffusion, i.e. $\mean{|x(t)|^q} \sim t^{q \nu(q)}$ where $q \nu(q)$ is a nonlinear function of $q$, is a generic phenomenon within a class of generalized...
Neutron and X-ray scattering studies of ionomer blends (2000)
Gabrys, B J, Zajac, W, Kalhoro, M S, Andersen, K H, King, S M
Short range order in blends of polycarbonates with polystyrene (2000)
Arrighi, V, Zajac, W, Shenoy, S, Martin, D, Gabrys, B, Garay, M T, ...
Andersen, K H, Martin, D, Barlow, M
Vol 1 , KEK Report 2000-22 (2000)
A Particle Model of Rolling Grain Ripples Under Waves (1999)
A simple model is presented for the formation of rolling grain ripples on a flat sand bed by the oscillatory flow generated by a surface wave. An equation of motion is derived for the individual...
Pulses in the Zero-Spacing Limit of the GOY Model (1999)
Andersen, K. H., Bohr, T., Jensen, M. H., Nielsen, J. L., Olesen, P.
We study the propagation of localised disturbances in a turbulent, but momentarily quiescent and unforced shell model (an approximation of the Navier-Stokes equations on a set of exponentially spaced...
Shell Model for Time-correlated Random Advection of Passive Scalars (1999)
Andersen, K. H., Muratore-Ginanneschi, P.
We study a minimal shell model for the advection of a passive scalar by a Gaussian time correlated velocity field. The anomalous scaling properties of the white noise limit are studied analytically....
Spin-spin correlations in the insulating and metallic phases of the Mott system V2O3 (1999)
Taylor, J.W., Smith, T.J., Andersen, K.H., Capellmann, H., Kremer, R.K., Simon, A., ...
This is Restricted Access. It is also available at: http://springerlink.metapress.com/openurl.asp?genre=journal&eissn=1434-6036.
A polarized neutron scattering study of the normal phase in YBa2Cu3O6.95. (1999)
Smith, T. J., Andersen, K. H., Beck, U., Capellmann, H., Kremer, R. K., ...
Spin-spin correlations in the insulating and metallic phases of the Mott system V2O3. (1999)
Taylor, J. W., Smith, T. J., Andersen, K. H., Capellmann, H., Kremer, R. K., Simon, A., ...
Spin-spin correlations in the insulating and metallic phases of the Mott system V2O3 (1999)
Taylor, J.W., Smith, T.J., Andersen, K.H., Capellmann, H., Kremer, R.K., Simon, A., ...
This is Restricted Access. It is also available at: http://springerlink.metapress.com/openurl.asp?genre=journal&eissn=1434-6036.
Bursts and Shocks in a Continuum Shell Model (1998)
Andersen, K. H., Bohr, T., Jensen, M. H., Olesen, P.
We study a "burst" event, i. e. the evolution of an initial condition having support only in a finite interval of k-space, in the continuum shell model due to Parisi. We show that the continuum...
Absence of local moments in superconductor YBazCu306.95 (1998)
Smith, T.J., Andersen, K.H., Beck, U., Capellmann, H., Kremer, R.K., Neumann, K-U., ...
This is Restricted Access. It is also available at: http://www.sciencedirect.com/science/journal/03048853.
Localized collective excitations in superfluid helium in Vycor (1998)
Dimeo, R M, Sokol, P E, Anderson, CR, Stirling, W G, Andersen, K H, Adams, M A
Absence of local moments in superconductor YBazCu306.95 (1998)
Smith, T.J., Andersen, K.H., Beck, U., Capellmann, H., Kremer, R.K., Neumann, K-U., ...
This is Restricted Access. It is also available at: http://www.sciencedirect.com/science/journal/03048853.
Single particle dynamics in quantum fluids observed by neutron scattering (1995)
Glyde, H R, Azuah, R T, Andersen, K H, Stirling, W G
Condensed Matter Theories Vol 10, Eds M Casas, M de LLano, J Navarro, A Polls (Nova Science Pubs) (1995)