Showing 2015Show all

175 papers · 1 filter

math.NA2015

Enhancement of flow measurements using fluid-dynamic constraints

H. Egger, T. Seitz, C. Tropea

Novel experimental modalities acquire spatially resolved velocity measurements for steady state and transient flows which are of interest for engineering and biological application…

cs.OH2015★ 3 cited

NexMon: A Cookbook for Firmware Modifications on Smartphones to Enable Monitor Mode

Matthias Schulz, Daniel Wegemer, Matthias Hollick

Full control over a Wi-Fi chip for research purposes is often limited by its firmware, which makes it hard to evolve communication protocols and test schemes in practical environme…

nucl-th2015★ 473 cited

The In-Medium Similarity Renormalization Group: A Novel Ab Initio Method for Nuclei

H. Hergert, S. K. Bogner, T. D. Morris +2

We present a comprehensive review of the In-Medium Similarity Renormalization Group (IM-SRG), a novel ab inito method for nuclei. The IM-SRG employs a continuous unitary transforma…

nlin.CD2015★ 36 cited

Spectral properties of Dirac billiards at the van Hove singularities

B. Dietz, T. Klaus, M. Miski-Oglu +3

We study distributions of the ratios of level spacings of a rectangular and an Africa-shaped superconducting microwave resonator containing circular scatterers on a triangular grid…

astro-ph.HE2015★ 8 cited

Linking neutrino oscillations to the nucleosynthesis of elements

Meng-Ru Wu, Gabriel Martinez-Pinedo, Yong-Zhong Qian

Neutrino interactions with matter play an important role in determining the nucleosynthesis outcome in explosive astrophysical environments such as core-collapse supernovae or merg…

math.NA2015

A class of Galerkin schemes for time-dependent radiative transfer

Herbert Egger, Matthias Schlottbom

The numerical solution of time-dependent radiative transfer problems is challenging, both, due to the high dimension as well as the anisotropic structure of the underlying integro-…

cs.CV2015★ 11 cited

Simulations for Validation of Vision Systems

V S R Veeravasarapu, Rudra Narayan Hota, Constantin Rothkopf +1

As the computer vision matures into a systems science and engineering discipline, there is a trend in leveraging latest advances in computer graphics simulations for performance ev…

quant-ph2015★ 6 cited

Quantum simulation of the dynamical Casimir effect with trapped ions

Nils Trautmann, Philipp Hauke

Quantum vacuum fluctuations are a direct manifestation of Heisenberg's uncertainty principle. The dynamical Casimir effect allows for the observation of these vacuum fluctuations b…

quant-ph2015★ 16 cited

Multiphoton-state-assisted entanglement purification of material qubits

József Zsolt Bernád, Juan Mauricio Torres, Ludwig Kunz +1

We propose an entanglement purification scheme based on material qubits and ancillary coherent multiphoton states. We consider a typical QED scenario where material qubits implemen…

quant-ph2015★ 17 cited

An interpolatory ansatz captures the physics of one-dimensional confined Fermi systems

M. E. S. Andersen, A. S. Dehkharghani, A. G. Volosniev +2

Interacting one-dimensional quantum systems play a pivotal role in physics. Exact solutions can be obtained for the homogeneous case using the Bethe ansatz and bosonisation techniq…

nucl-th2015★ 82 cited

Thermal Dileptons from Coarse-Grained Transport as Fireball Probes at SIS Energies

Tetyana Galatyuk, Paul M. Hohler, Ralf Rapp +2

Utilizing a coarse-graining method to convert hadronic transport simulations of Au+Au collisions at SIS energies into local temperature, baryon and pion densities, we compute the p…

cond-mat.quant-gas2015★ 21 cited

Two Cold Atoms in a Time-Dependent Harmonic Trap in One Dimension

M. Ebert, A. Volosniev, H. -W. Hammer

We analyze the dynamics of two atoms with a short-ranged pair interaction in a one-dimensional harmonic trap with time-dependent frequency. Our analysis is focused on two represent…

nucl-th2015★ 109 cited

Impact of nuclear mass uncertainties on the -process

Dirk Martin, Almudena Arcones, Witold Nazarewicz +1

Nuclear masses play a fundamental role in understanding how the heaviest elements in the Universe are created in the -process. We predict -process nucleosynthesis yields usin…

quant-ph2015★ 13 cited

Dissipation enabled efficient excitation transfer from a single photon to a single quantum emitter

Nils Trautmann, Gernot Alber

We propose a scheme for triggering a dissipation dominated highly efficient excitation transfer from a single photon wave packet to a single quantum emitter. This single photon ind…

cond-mat.mtrl-sci2015★ 17 cited

The Eshelby stress tensor, angular momentum tensor and scaling flux in micropolar elasticity

Markus Lazar, Helmut O. K. Kirchner

The (static) energy momentum tensor, angular momentum tensor and scaling flux vector of micropolar elasticity are derived within the framework of Noether's theorem on variational p…

astro-ph.HE2015★ 24 cited

Expected impact from weak reactions with light nuclei in core-collapse supernova simulations

T. Fischer, G. Martínez-Pinedo, M. Hempel +4

We study the role of light nuclear clusters in simulations of core-collapse supernovae. Expressions for the reaction rates are developed for a large selection of charged current ab…

hep-ph2015★ 31 cited

Resonances in QCD

Matthias F. M. Lutz, Jens Sören Lange, Michael Pennington +22

We report on the EMMI Rapid Reaction Task Force meeting 'Resonances in QCD', which took place at GSI October 12-14, 2015. A group of 26 people met to discuss the physics of resonan…

astro-ph.IM2015★ 67 cited

An advanced leakage scheme for neutrino treatment in astrophysical simulations

Albino Perego, Ruben Cabezón, Roger Käppeli

We present an Advanced Spectral Leakage (ASL) scheme to model neutrinos in the context of core-collapse supernovae and compact binary mergers. Based on previous gray leakage scheme…

math.NA2015★ 5 cited

Uniform exponential stability of Galerkin approximations for damped wave systems

Herbert Egger, Thomas Kugler

We consider the numerical approximation of linear damped wave systems by Galerkin approximations in space and appropriate time-stepping schemes. Based on a dissipation estimate for…

cond-mat.mtrl-sci2015★ 53 cited

A phase-field model of relaxor ferroelectrics based on random field theory

Shuai Wang, Min Yi, Bai-Xiang Xu

A mechanically coupled phase-field model is proposed for the first time to simulate the peculiar behavior of relaxor ferroelectrics. Based on the random field theory for relaxors,…

cond-mat.mtrl-sci2015★ 78 cited

Phase-field study of electrochemical reactions at exterior and interior interfaces in Li-Ion battery electrode particles

Ying Zhao, Bai-Xiang Xu, Peter Stein +1

To study the electrochemical reaction on surfaces, phase interfaces, and crack surfaces in the lithium ion battery electrode particles, a phase-field model is developed, which desc…

cond-mat.mtrl-sci2015★ 39 cited

On microcontinuum field theories: the Eshelby stress tensor and incompatibility conditions

Markus Lazar, Gerard A. Maugin

We investigate linear theories of incompatible micromorphic elasticity, incompatible microstretch elasticity, incompatible micropolar elasticity and the incompatible dilatation the…

nucl-ex2015★ 66 cited

First measurement of several -delayed neutron emitting isotopes beyond N=126

R. Caballero-Folch, C. Domingo-Pardo, J. Agramunt +62

The -delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with -decay half-lives for 20 isotopes of Au, Hg, Tl, Pb and Bi in th…

cs.NI2015★ 13 cited

Upstream Polling Protocols for Flow Control in PON/xDSL Hybrid Access Networks

Anu Mercian, Elliot I. Gurrola, Frank Aurzada +2

In a hybrid PON/xDSL access network, multiple Customer Premise Equipment (CPE) nodes connect over individual Digital Subscriber Lines (DSLs) to a drop-point device. The drop-point…