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8 papers · 1 filter
Inelastic scattering of atoms in a double well
E. S. Annibale, O. Fialko, K. Ziegler
We study a mixture of two light spin-1/2 fermionic atoms and two heavy atoms %in a Mott state in a double well potential. Inelastic scattering processes between both atomic species…
Density functional theory for a model quantum dot: Beyond the local-density approximation
S. Schenk, P. Schwab, M. Dzierzawa +1
We study both static and transport properties of model quantum dots, employing density functional theory as well as (numerically) exact methods. For the lattice model under conside…
Noisy saltatory spike propagation: The breakdown of signal transmission due to channel noise
Yunyun Li, Gerhard Schmid, Peter Hanggi
Noisy saltatory spike propagation along myelinated axons is studied within a stochastic Hodgkin-Huxley model. The intrinsic noise (whose strength is inverse proportional to the nod…
Monitoring Entanglement Evolution and Collective Quantum Dynamics
Georg M. Reuther, David Zueco, Peter Hänggi +1
We generalize a recently developed scheme for monitoring coherent quantum dynamics with good time-resolution and low backaction [Reuther et al., Phys. Rev. Lett. 102, 033602 (2009)…
New theoretical approaches for correlated systems in nonequilibrium
M. Eckstein, A. Hackl, S. Kehrein +4
We review recent developments in the theory of interacting quantum many-particle systems that are not in equilibrium. We focus mainly on the nonequilibrium generalizations of the f…
Local existence and uniqueness in the largest critical space for a surface growth model
Dirk Blomker, Marco Romito
We show the existence and uniqueness of solutions (either local or global for small data) for an equation arising in different aspects of surface growth. Following the work of Koch…