Universal enhancement of the optical readout fidelity of single electron spins (2009)
Steiner, M., Neumann, P., Beck, J., Jelezko, F., Wrachtrup, J.
Precise readout of spin states is crucial for any approach towards physical realization of a spin-based quantum computer and for magnetometry with single spins. Here, we report a new method to...
SOFA: A MODULAR YET EFFICIENT SIMULATION FRAMEWORK (2009)
F. Faure, J. Allard, S. Cotin, P. Neumann, C. Duriez, H. Delingette, ...
Abstract. SOFA is a new open source framework primarily targeted at medical simulation research and industry. It is based on a scene graph data structure extended to physical models and abstract...
Crystal structure of the nuclear export receptor CRM1 in complex with Snurportin1 and RanGTP. (2009)
Monecke, T., Guettler, T., Neumann, P., Dickmanns, A., Goerlich, D., Ficner, R.
Coherence of single spins coupled to a nuclear spin bath of varying density (2008)
Mizuochi, N., Neumann, P., Rempp, F., Beck, J., Jacques, V., Siyushev, P., ...
The dynamics of single electron and nuclear spins in a diamond lattice with different 13C nuclear spin concentration is investigated. Coherent control of up to three individual nuclei in a dense...
Jacques, V., Neumann, P., Beck, J., Markham, M., Twitchen, D., Meijer, J., ...
We report a versatile method to efficiently polarize single nuclear spins in diamond, which is based on optical pumping of a single NV color center and mediated by a level-anti crossing in its...
Neumann, P., Kolesov, R., Jacques, V., Beck, J., Tisler, J., Batalov, A., ...
Using pulsed optically detected magnetic resonance techniques, we directly probe electron-spin resonance transitions in the excited-state of single Nitrogen-Vacancy color centers in diamond....
ORIGINAL ARTICLE Seasonal nestmate recognition in the ant Formica exsecta (2008)
Andreas Katzerke, Peter Neumann, Peter Bliss, P. Neumann, ...
Abstract Under favorable conditions, the mound-building ant Formica exsecta may form polydomous colonies and can establish large nest aggregations. The lack of worker aggression towards nonnestmate...
© Birkhäuser Verlag, Basel, 2006 (2008)
Insectes Sociaux, S. Härtel, P. Neumann, F. S. Raassen, H. R. Hepburn
Research article
Behav Ecol Sociobiol (2001) 49:366–374 DOI 10.1007/s002650000315 ORIGINAL ARTICLE (2008)
P. Neumann, P. Pamilo, P. Neumann, ...
Intranest relatedness and nestmate recognition in the meadow ant Formica pratensis (R.)
(Hymenoptera: Formicidae) (2008)
E. A. Schlüns, P. Neumann, H. Schlüns, H. R. Hepburn
recognition and genetic variability among individuals from
DOI 10.1007/s00265-002-0518-7 REVIEW (2008)
not reproduce but can activate their ovaries under queenless conditions to produce male offspring. As an exception to this rule, laying workers of the Cape honeybee, A. m. capensis,...
Naturwissenschaften DOI 10.1007/s00114-006-0113-2 ORIGINAL ARTICLE (2008)
P. Neumann, Xiang Fang, K. Tan, S. E. Radloff, P. Neumann
Abstract The development of animals depends on both genetic and environmental effects to a varying extent. Their relative influences can be evaluated in the social insects by raising the...
Optimization of Fracture Resistance of Ledeburitic Tool Steels: a Fractal Approach (2007)
P. Neumann, D. Allen, E. Teuckhoff (eds, Leon L. Mishnaevsky, Siegfried Schmauder
During the last years, the problem of the improvement of mechanical properties of materials by varying their microstructure has taken a new significance. This is related, on the one side, with the...
G. Bellaire, G. Graschew, F. Engel-murke, M. Krauss, P. Neumann, P. M. Schlag
intraoperative telemedizinische Konsultation Key words: fast 3-D visualization of radiological data, remote access, intraoperative telemedical
Coherence properties of photons emitted by single defect centers in diamond (2007)
Batalov, A., Zierl, C., Gaebel, T., Neumann, P., Balasubramanian, G., ...
Photon interference among distant quantum emitters is a promising method to generate large scale quantum networks. Interference is best achieved when photons show long coherence times. For the...
Bee-hawking by the wasp, Vespa velutina, on the honeybees Apis cerana and A. mellifera (2007)
Tan, K., Radloff, S.E., Li, J.J., Hepburn, H.R., Yang, M.X., Zhang, L.J., ...
The vespine wasps, Vespa velutina, specialise in hawking honeybee foragers returning to their nests. We studied their behaviour in China using native Apis cerana and introduced A. mellifera colonies....
Buchholz, S., Neumann, P., Neumann, K., Hepburn, H.R.
Small hive beetles, Aethina tumida Murray, are parasites and scavengers of honeybee colonies, Apis mellifera L., and have become an invasive species that can cause considerable damage in its new...
The excited state structure of the nitrogen-vacancy center in diamond (2006)
Tamarat, Ph., Manson, N. B., McMurtie, R. L., Nitsovtsev, N., Santori, C., Neumann, P., ...
Optical and microwave double resonance techniques are used to obtain the excited state structure of single nitrogen-vacancy centers in diamond. The excited state is an orbital doublet and it is shown...
Room temperature coherent control of coupled single spins in solid (2006)
Gaebel, T., Domhan, M., Popa, I., Wittmann, C., Neumann, P., Jelezko, F., ...
Coherent coupling between single quantum objects is at the heart of modern quantum physics. When coupling is strong enough to prevail over decoherence, it can be used for the engineering of...
Enohumah, K, Mörer, O, Hinz, J, Bahr, J, Neumann, P
No abstract available.
Susceptibility of Adult Aethina tumida (Coleoptera: Nitidulidae) to Entomopathogenic Fungi (2006)
T. M. Muerrle, P. Neumann, J. F. Dames, H. R. Hepburn, M. P. Hill
Aethina tumida Murray (Coleoptera: Nitidulidae) is an invasive parasite species in populations of honey bees, Apis mellifera L. Aiming toward substitution of chemical control, we here identified a...
Room-temperature coherent coupling of single spins in diamond (2006)
Gaebel, T., Domhan, M., Popa, I., Wittmann, C., Neumann, P., Jelezko, F., ...
Coherent coupling between single quantum objects is at the very heart of modern quantum physics. When the coupling is strong enough to prevail over decoherence, it can be used to engineer quantum...
Insect. Soc. 53 (2006) 27--31 (2006)
Doi Birkhuser Verlag, Insectes Sociaux, S. Spiewok, P. Neumann, H. R. Hepburn
African honeybees, Apis mellifera, are characterised by frequent disturbance-induced absconding. However, the effectiveness in preparation before such disturbance-induced absconding has not been...
New approaches to catheter navigation for interventional radiology simulation (2005)
S. Cotin, C. Duriez, J. Lenoir, P. Neumann, S. Dawson
Abstract. For over 20 years, interventional methods have improved the outcomes of patients with cardiovascular disease. However, these procedures require an intricate combination of visual and...
Naturwissenschaften (2005) 00 (2005)
Doi Short Communication, Yu Yusheng, Liu Yiqiu, Zhou Danyin, P. Neumann, T. Ken, ...
Defensiveness of honeybee colonies of Apis cerana and Apis mellifera (actively balling the wasps but reduction of foraging) against predatory wasps, Vespa velutina, and false wasps was assessed....
Behav Ecol Sociobiol DOI 10.1007/s00265-006-0222-0 ORIGINAL ARTICLE (2005)
Stephan Härtel, Peter Neumann, Robin M. Crewe, J. Pflugfelder, S. Härtel, P. Neumann, ...
Social parasitism by honeybee workers (Apis mellifera capensis Esch.): evidence for pheromonal resistance to host queen’s signals
New approaches to catheter navigation for interventional radiology simulation (2005)
C. Duriez, S. Cotin, J. Lenoir, P. Neumann
Abstract. For over 20 years, interventional methods have improved the outcomes of patients with cardiovascular disease. However, these procedures require an intricate combination of visual and...
Sperm limitation and the evolution of extreme polyandry in honeybees (Apis mellifera L.) (2004)
B. Kraus, P. Neumann, J. Van Praagh, P. Neumann
Honeybee queens (Apis mellifera) show extreme levels of polyandry, but the evolutionary mechanisms underlying this behaviour are still unclear. The "sperm-limitation hypothesis", which...
Naturwissenschaften (2004) 91:447--450 (2004)
Doi Short Communication, R. Hepburn, P. Neumann, P. Neumann, S. E. Radloff
Genetic variation in honeybee, Apis mellifera, populations can be considerably influenced by breeding and commercial introductions, especially in areas with abundant beekeeping. However, in southern...
Male fitness of honeybee colonies (Apis mellifera L.) (2003)
F. B. Kraus, P. Neumann, H. Scharpenberg, J. Van Praagh
Honeybees (Apis mellifera L.) have an extreme polyandrous mating system. Worker offspring of 19 naturally mated queens was genotyped with DNA microsatellites, to estimate male reproductive success of...
Spatial Differences in Worker Policing . . . (2003)
Insectes Sociaux, P. Neumann, H. R. Hepburn
ost colonies. Key words: Apis mellifera capensis, honeybees, social parasitism, worker policing, worker reproduction. Introduction Social parasitism in which mated gynes seek and invade host colonies...
Pirk, C. W. W., Neumann, P., Ratnieks, F. L. W.
In the Cape honeybee, Apis mellifera capensis, workers lay diploid (female) eggs via thelytoky. In other A. mellifera subspecies, workers lay haploid (male) eggs via arrhenotoky. When thelytokous...
P. J. Elzen, D. Westervelt, D. Causey, J. Ellis, H. R. Hepburn, P. Neumann
The method of application of the antibiotic tylosin (Tylan) for control of oxytetracycline-resistant American foulbrood (Paenibacillus larvae White) was tested in honeybee (Apis mellifera L.)...
Parasitic Cape bees in the northern regions of South Africa: source of the founder population (2002)
Neumann, P., Radloff, S.E., Hepburn, H.R.
Multivariate discriminant analyses of nine standard morphometric characters of honeybee workers were used to track the origin of a social parasitic pseudo-clone of thelytokous laying workers that...
Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf - Abteilung Physikalische Metallkunde (2002)
Eine neue Generation von Leichtbau-Robotern mit mehrfingrigen Händen (2002)
Hirzinger, G., Sporer, N., Butterfaß, J., Schedl, M., Grebenstein, M., Liu, H., ...
Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf - Abteilung Physikalische Metallkunde (2002)
A Qualification Platform for Design Reuse (2002)
R. Seepold, N. Martínez Madrid, A. Vörg, W. Rosenstiel, M. Radetzki, P. Neumann, ...
The application and development of reusable components (Intellectual Property, IP) has become a regular part of modern design practices. The IP provider on the one hand side and the IP integrator...
Neumann, P., Radloff, S.E., Moritz, R.F.A., Hepburn, H.R., Reece, S.L.
We studied possible host finding and resistance mechanisms of host colonies in the context of social parasitism by Cape honeybee (Apis mellifera capensis) workers. Workers often join neighboring...
Modeling Systems with Variable Algebraic Constraints for Explicit Integration Methods (2000)
Mosterman, P. J., Neumann, P., Preusche, C.
Efficient models are not necessarily the most detailed ones. The purpose of a model is to solve a problem and it needs to be just detailed enough to achieve this. In many cases this may require...
Dynamics of re-expansion of atelectasis during general anaesthesia (1999)
Rothen, H. U., Neumann, P., Berglund, J. E., Valtysson, J., Magnusson, A., Hedenstierna, G.
Crack Initiation During High Cycle Fatigue of an Austenitic Steel. (1998)
PLASTIC STRAIN CONTROLLED High Cycle Fatigue (HCF) experiments on an austenitic stainless steel (26% Ni, 15% Cr, 2.3% Ti, 1.3% Mn, 1.2% Mo, 0.3% Al) for both annealed and age hardened conditions are...
Properties of highly porous metal fiber components for high temperature applications (1998)
Andersen, O., Stephani, G., Meyer-Olbersleben, F., Neumann, P.
Nestmate recognition and the genetic relatedness of nests in the ant Formica pratensis (1998)
M. Beye, P. Neumann, M. Chapuisat, P. Pamilo, M. Chapuisat, ...
Genetic relatedness of the mound-building ant Formica pratensis was determined by means of microsatellite DNA polymorphism, and its impact on nestmate recognition was tested in a population in...
Nestmate Recognition and the Genetic Gestalt in the Mound-Building Ant Formica polyctena (1997)
M. Beye, P. Neumann, Insectes Sociaux
Introduction Social insects live in colonies and with few exceptions they resist mixing with other colonies even in the same species. It has been argued that individuals recognize nest members...
Behaviour of short cracks in alloy 800HT under biaxial fatigue (1996)
Mu, Z., Vehoff, H., Brede, M., Neumann, P.
Biaxial in phase fatigue tests were carried out on thin walled tube specimens of alloy 800 HT at ambient temperature. The loading modes included tension, torsion, and combined tension-torsion with a...
VOTH, E., TEBBE, U., SCHICHA, H., NEUMANN, P., SCHRÖDER, R., NEUHAUS, K. L., ...
l.S.A.M. was a prospective, placebo-controlled, double-blind multicentre trial of high-dose short-term intravenous streptokinase in acute myocardial infarction (AMI) within 6 h of the onset of...
Creep fatigue of steels in various environments (1987)
Renner, E., Vehoff, H., Riedel, H., Neumann, P.
The interaction between fatigue and creep in X6CrNi1811 and X8CrNiNb1613 has been investigated in air and in vacuum at 873 K and 973 K using smooth specimens. A new damage parameter for creep-fatigue...
Cassol, S, Salas, T, Arella, M, Neumann, P, Schechter, M T, O'Shaughnessy, M
Dried blood spots (DBSs) constitute a potentially valuable source of material for human immunodeficiency virus (HIV) serologic and molecular testing. To facilitate molecular testing, we have adapted...
Cassol, S, Salas, T, Arella, M, Neumann, P, Schechter, M T, O'Shaughnessy, M
Dried blood spots (DBSs) constitute a potentially valuable source of material for human immunodeficiency virus (HIV) serologic and molecular testing. To facilitate molecular testing, we have adapted...
The forearm ischaemic work test--hazardous to McArdle patients?
Meinck, H M, Goebel, H H, Rumpf, K W, Kaiser, H, Neumann, P
A 57-year-old patient suffering from late-onset McArdle's disease developed myoglobinaemia, massive myoglobinuria and marked serum creatine kinase elevation subsequent to a routinely performed...