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pro vyhledávání: '"William P. Reinhardt"'
Autor:
William P. Reinhardt
Publikováno v:
The journal of physical chemistry. A. 123(17)
Autor:
William P. Reinhardt
Publikováno v:
The journal of physical chemistry. A. 123(17)
Publikováno v:
The journal of physical chemistry. A. 123(10)
Macroscopic, many-body self-trapped and quantum superposition states of the gaseous double-well Bose-Einstein condensate (BEC) are investigated within the context of a multiconfigurational bosonic self-consistent field theory based upon underlying sp
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Autor:
William P. Reinhardt
Publikováno v:
The Journal of Physical Chemistry A. 123:3625-3625
Publikováno v:
International Journal of Quantum Chemistry. 22:375-383
The dynamics of energy transfer for local anharmonic bonds is discussed. For a model of H2O it is shown that energy in a single OH bond at high levels of excitation remains in that bond, that is, the OH bond is a local mode. At moderate to low levels
Publikováno v:
Computer Physics Communications. 177:348-356
We present a parallel implementation of the Bose Hubbard model, using imaginary time propagation to find the lowest quantum eigenstate and real time propagation for simulation of quantum dynamics. Scaling issues, performance of sparse matrix–vector
Autor:
William P. Reinhardt
Publikováno v:
Spectral Theory and Mathematical Physics: A Festschrift in Honor of Barry Simon’s 60th Birthday. :357-381
Autor:
William P. Reinhardt, Joachim Brand
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 34:L113-L119
We propose a simple stirring experiment to generate quantized ring currents and solitary excitations in Bose-Einstein condensates in a toroidal trap geometry. Simulations of the 3D Gross-Pitaevskii equation show that pure ring current states can be g
Publikováno v:
Chemical Physics Letters. 331:278-284
It is common practice to adjust the maximum step size during Monte Carlo simulations to achieve a target fraction of accepted trial moves. Although simulation experts are well aware that this procedure is technically incorrect, the continuing publica