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- GSI Helmholtz Centre for Heavy Ion ResearchDE214 papers
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7 papers · 1 filter
Bound States in Sharply Bent Waveguides: Analytical and Experimental Approach
S. Bittner, B. Dietz, M. Miski-Oglu +4
Quantum wires and electromagnetic waveguides possess common features since their physics is described by the same wave equation. We exploit this analogy to investigate experimental…
Improved Polyakov-loop potential for effective models from functional calculations
Lisa M. Haas, Rainer Stiele, Jens Braun +2
We investigate the quark backreaction on the Polyakov loop and its impact on the thermodynamics of quantum chromodynamics. The dynamics of the gluons generating the Polyakov-loop p…
Evaluating Las Vegas Algorithms - Pitfalls and Remedies
Holger H. Hoos, Thomas Stutzle
Stochastic search algorithms are among the most sucessful approaches for solving hard combinatorial problems. A large class of stochastic search approaches can be cast into the fra…
Interferometry with Bose-Einstein Condensates in Microgravity
H. Müntinga, H. Ahlers, M. Krutzik +41
Atom interferometers covering macroscopic domains of space-time are a spectacular manifestation of the wave nature of matter. Due to their unique coherence properties, Bose-Einstei…
Finiteness of the polyhedral Q-codegree spectrum
Andreas Paffenholz
In this paper we show that the spectrum of the Q-codegree of a d-dimensional lattice polytope is finite above any positive threshold in the class of lattice polytopes with α-canoni…
Single-site addressing of ultracold atoms beyond the diffraction limit via position dependent adiabatic passage
Daniel Viscor, Juan Luis Rubio, Gerhard Birkl +2
We propose a single-site addressing implementation based on the sub-wavelength localization via adiabatic passage (SLAP) technique. We consider a sample of ultracold neutral atoms…