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Quantum Monte Carlo impurity solvers for multi-orbital problems and frequency-dependent interactions

) 5. P. Werner , A. Comanac , L. De Medici, M. Troyer , A.J. Millis , Phys. Rev. Lett . 97 , 076405 ( 2006 ) 6. D. Rost , F. Assaad , N. Blu¨mer , Phys. Rev. E 87 , 053305 ( 2013 ) 7. R. Blankenbecler ... , S. Hoshino , M. Troyer , P. Werner, Phys. Rev. Lett . 115 , 156401 ( 2015 ) 10. D. Rost , E.V. Gorelik , F. Assaad , N. Blu¨mer , Phys. Rev. B 86 , 155109 ( 2012 ) 11. D. Rost , F. Assaad , N. Blu¨mer

Comparison of volumetric and functional parameters in simultaneous cardiac PET/MR: feasibility of volumetric assessment with residual activity from prior PET/CT

Objective To compare cardiac left ventricular (LV) parameters in simultaneously acquired hybrid fluorine-18-fluorodeoxyglucose ([18F] FDG) positron emission tomography/magnetic resonance imaging (PET/MRI) in patients with residual tracer activity of upstream PET/CT. Methods Twenty-nine patients (23 men, age 58±17 years) underwent cardiac PET/MRI either directly after a non-cardiac ...

Impact of attenuation correction on clinical [18F]FDG brain PET in combined PET/MRI

Background In PET/MRI, linear photon attenuation coefficients for attenuation correction (AC) cannot be directly derived, and cortical bone is, so far, usually not considered. This results in an underestimation of the average PET signal in PET/MRI. Recently introduced MR-AC methods predicting bone information from anatomic MRI or proton density-weighted zero-time imaging may solve ...

Stochastic modelling of intermittency

Recently, methods have been developed to model low-dimensional chaotic systems in terms of stochastic differential equations. We tested such methods in an electronic circuit experiment. We aimed to obtain reliable drift and diffusion coefficients even without a pronounced time-scale separation of the chaotic dynamics. By comparing the analytical solutions of the corresponding ...

Inorganic polyphosphate occurs in the cell wall of Chlamydomonas reinhardtii and accumulates during cytokinesis

Thomas P Werner 0 Nikolaus Amrhein 0 Florian M Freimoser 0 0 Address: Institute of Plant Sciences, ETH Zurich , Universitatstrasse 2, CH-8092 Zurich , Switzerland Background: Inorganic

Trends in Occupational Exposure to Styrene in the European Glass Fibre-Reinforced Plastics Industry

Aim: This study presents temporal trends of styrene exposure for workers in the European glass fibre-reinforced plastics (GRP) industry during the period 1966–2002. Methods: Data of personal styrene exposure measurements were retrieved from reports, databases and peer-reviewed papers. Only sources with descriptive statistics of personal measurements were accepted. The styrene ...

Cordycepin-hypersensitive growth links elevated polyphosphate levels to inhibition of poly(A) polymerase in Saccharomyces cerevisiae

To identify genes involved in poly(A) metabolism, we screened the yeast gene deletion collection for growth defects in the presence of cordycepin (3′-deoxyadenosine), a precursor to the RNA chain terminating ATP analog cordycepin triphosphate. Δpho80 and Δpho85 strains, which have a constitutively active phosphate-response pathway, were identified as cordycepin hypersensitive. We ...

Photovoltaic Properties of p-Doped GaAs Nanowire Arrays Grown on n-Type GaAs(111)B Substrate

, Russia 2 G. E. Cirlin (&) Yu. B. Samsonenko Institute for Analytical Instrumentation RAS , Rizhsky 26, 190103 St.-Petersburg, Russia 3 P. Werner Max Planck Institute for Microstructure Physics , Weinberg 2

Miniband-related 1.4–1.8 μm luminescence of Ge/Si quantum dot superlattices

Kurzzeitspektroskopie , Max-Born-Strasse 2A, 12489 Berlin, Germany 2 V. G. Talalaev (&) G. E. Cirlin A. A. Tonkikh N. D. Zakharov P. Werner U. G osele Max-Planck-Institut fu r Mikrostrukturphysik , Weinberg 2, 06120

Systematic screening of polyphosphate (poly P) levels in yeast mutant cells reveals strong interdependence with primary metabolism

Background Inorganic polyphosphate (poly P) occurs universally in all organisms from bacteria to man. It functions, for example, as a phosphate and energy store, and is involved in the activation and regulation of proteins. Despite its ubiquitous occurrence and important functions, it is unclear how poly P is synthesized or how poly P metabolism is regulated in higher eukaryotes. ...

Effect of parameters of Ge(Si)/Si(001) self-assembled islands on their electroluminescence at room temperature

The electroluminescence (EL) of multilayered p-i-n structures with the self-assembled Ge(Si)/Si(001) islands are investigated. It is found that the structures with islands grown at 600°C have the highest intensity of the electroluminescence signal at room temperature in the wavelength range of 1.3–1.55 μm. The annealing of structures with the Ge(Si) islands leads to an increase in ...

Treatment of hypertension in patients with pre-eclampsia: a prospective parallel-group study comparing dihydralazine with urapidil.

BACKGROUND: The primary objective of treatment in women with severe hypertension and pre-eclampsia is to prevent complications such as encephalopathy and haemorrhage. In many countries dihydralazine is considered the drug of choice for treating hypertension in pregnancy, because it now has been used safely for about 30 years, and the introduction of a new drug in pregnancy is a ...

Submonolayer Quantum Dots for High Speed Surface Emitting Lasers

, 194021, St. Petersburg, Russia 3 N. D. Zakharov P. Werner Max-Planck-Institut fur Mikrostrukturphysik , Weinberg 2, 06120 Halle, Germany 4 S. S. Mikhrin A. R. Kovsh NL-Nanosemiconductor (Innolume) GmbH