Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR336 papers
- ETH ZurichCH215 papers
- Petersburg Nuclear Physics InstituteRU204 papers
- Massachusetts Institute of TechnologyUS182 papers
- European Organization for Nuclear ResearchCH168 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR167 papers
- University of GenevaCH163 papers
- Hungarian Academy of SciencesHU159 papers
- California Institute of TechnologyUS145 papers
- Paul Scherrer InstituteCH143 papers
- University of BolognaIT143 papers
- University of MichiganUS143 papers
98 papers · 1 filter
Experiments with polarized 3He at MAMI
Daniela Rohe
Experiments with polarized 3He at MAMI have already a long tradition. The A3 collaboration started in 1993 with the aim to measure the electric form factor of the neutron. At this…
The Ups and Downs of the Hubble Constant
G. A. Tammann
A brief history of the determination of the Hubble constant H_0 is given. Early attempts following Lemaitre (1927) gave much too high values due to errors of the magnitude scale, M…
Dephasing of a superconducting qubit induced by photon noise
P. Bertet, I. Chiorescu, G. Burkard +4
We have studied the dephasing of a superconducting flux-qubit coupled to a DC-SQUID based oscillator. By varying the bias conditions of both circuits we were able to tune their eff…
Enhancement of electron spin coherence by optical preparation of nuclear spins
Dimitrije Stepanenko, Guido Burkard, Geza Giedke +1
We study a large ensemble of nuclear spins interacting with a single electron spin in a quantum dot under optical excitation and photon detection. When a pair of applied laser fiel…
Dwarf elliptical galaxies in Centaurus A group: stellar populations in AM 1339-445 and AM 1343-452
M. Rejkuba, G. S. Da Costa, H. Jerjen +2
We study the red giant populations of two dE galaxies, AM 1339-445 and AM 1343-452, with the aim of investigating the number and luminosity of any upper asymptotic giant branch (AG…
Zitterbewegung of electrons and holes in III-V semiconductor quantum wells
John Schliemann, Daniel Loss, R. M. Westervelt
The notion of zitterbewegung is a long-standing prediction of relativistic quantum mechanics. Here we extend earlier theoretical studies on this phenomenon for the case of III-V zi…
Slow Vibrations in Transport through Molecules
Tero T. Heikkila, Wolfgang Belzig
We show how one can measure the signal from slow jumps of a single molecule between metastable positions using a setup where the molecule is fixed to one lead, and one of the coupl…
Controlling spin in an electronic interferometer with spin-active interfaces
A. Cottet, T. Kontos, W. Belzig +2
We consider electronic current transport through a ballistic one-dimensional quantum wire connected to two ferromagnetic leads. We study the effects of the spin-dependence of inter…
Branchings in the gamma-process path revisited
T. Rauscher
The location of the (gamma,p)/(gamma,n) and (gamma,alpha)/(gamma,n) line at gamma-process temperatures is discussed, using updated reaction rates based on global Hauser-Feshbach ca…
Nucleosynthesis in Neutrino-Driven Supernovae
C. Froehlich, W. R. Hix, G. Martinez-Pinedo +5
Core collapse supernovae are the leading actor in the story of the cosmic origin of the chemical elements. Existing models, which generally assume spherical symmetry and parameteri…
Distance dependence of force and dissipation in non-contact atomic force microscopy on Cu(100) and Al(111)
Oliver Pfeiffer, Laurent Nony, Roland Bennewitz +2
The dynamic characteristics of a tip oscillating in the nc-AFM mode in close vicinity to a Cu(100)-surface are investigated by means of phase variation experiments in the constant…
Cu-TBPP and PTCDA molecules on insulating surfaces studied by ultra-high-vacuum non-contact AFM
Laurent Nony, Roland Prof. Bennewitz, Oliver Dr. Pfeiffer +6
The adsorption of two kinds of porphyrin (Cu-TBPP) and perylene (PTCDA) derived organic molecules deposited on KBr and Al2O3 surfaces has been studied by non-contact force microsco…
Neutrino-induced nucleosynthesis of A>64 nuclei: The nu p-process
C. Fröhlich, G. Martínez-Pinedo, M. Liebendörfer +5
We present a new nucleosynthesis process, that we denote nu p-process, which occurs in supernovae (and possibly gamma-ray bursts) when strong neutrino fluxes create proton-rich eje…
Electric Field Control of Spin Transport
Sangeeta Sahoo, Takis Kontos, Jürg Furer +4
Spintronics is an approach to electronics in which the spin of the electrons is exploited to control the electric resistance R of devices. One basic building block is the spin-valv…
Complexity on Small Scales: The Metallicity Distribution of the Carina Dwarf Spheroidal Galaxy
A. Koch, E. K. Grebel, R. F. G. Wyse +5
The Carina dwarf spheroidal (dSph) galaxy is the only galaxy of this type that shows clearly episodic star formation separated by long pauses. Here we present metallicities for 437…
Design and Performance of the CMS Pixel Detector Readout Chip
H. Chr. Kaestli, M. Barbero, W. Erdmann +4
The readout chip for the CMS pixel detector has to deal with an enormous data rate. On-chip zero suppression is inevitable and hit data must be buffered locally during the latency…
Dynamics of Coupled Qubits Interacting with an Off-Resonant Cavity
Oliver Gywat, Florian Meier, Daniel Loss +1
We study a model for a pair of qubits which interact with a single off-resonant cavity mode and, in addition, exhibit a direct inter-qubit coupling. Possible realizations for such…
Muon pair production in relativistic nuclear collisions
K. Hencken, E. A. Kuraev, V. G. Serbo
The exclusive production of one pair in collisions of two ultra-relativistic nuclei is considered. We present the simple method for calculation of the Born cross section f…
Spin Decay in a Quantum Dot Coupled to a Quantum Point Contact
Massoud Borhani, Vitaly N. Golovach, Daniel Loss
We consider a mechanism of spin decay for an electron spin in a quantum dot due to coupling to a nearby quantum point contact (QPC) with and without an applied bias voltage. The co…
Kinematic evidence for different Planetary Nebulae Populations in the elliptical galaxy NGC 4697
Niranjan Sambhus, Ortwin Gerhard, Roberto H. Mendez
We have analysed the magnitudes, kinematics and positions of a complete sample of 320 PNs in the elliptical galaxy NGC 4697. We show (i) that the PNs in NGC 4697 do not constitute…
Observation, modeling, and temperature dependence of doubly peaked electric fields in irradiated silicon pixel sensors
M. Swartz, V. Chiochia, Y. Allkofer +14
We show that doubly peaked electric fields are necessary to describe grazing-angle charge collection measurements of irradiated silicon pixel sensors. A model of irradiated silicon…
A Mesoscopic Resonating Valence Bond system on a triple dot
Karyn Le Hur, Patrik Recher, Emilie Dupont +1
We introduce a mesoscopic pendulum from a triple dot. The pendulum is fastened through a singly-occupied dot (spin qubit). Two other strongly capacitively islands form a double-dot…
Positive Cross Correlations in a Normal-Conducting Fermionic Beam Splitter
S. Oberholzer, E. Bieri, C. Schoenenberger +2
We investigate a beam splitter experiment implemented in a normal conducting fermionic electron gas in the quantum Hall regime. The cross-correlations between the current fluctuati…
Nuclear spin state narrowing via gate--controlled Rabi oscillations in a double quantum dot
D. Klauser, W. A. Coish, Daniel Loss
We study spin dynamics for two electrons confined to a double quantum dot under the influence of an oscillating exchange interaction. This leads to driven Rabi oscillations between…