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- René Hammer, Walter Pötz, Anton Arnold
- J. Comput. Physics
- 2014

- René Hammer, Walter Pötz, Anton Arnold
- J. Comput. Physics
- 2014

- René Hammer, Walter Pötz
- Computer Physics Communications
- 2014

A numerical scheme utilizing a grid which is staggered in both space and time is proposed for the numerical solution of the (2+1)D Dirac equation in presence of an external electromagnetic potential. It preserves the linear dispersion relation of the free Weyl equation for wave vectors aligned with the grid and facilitates the implementation of open… (More)

- Magdalena Schreilechner, Walter Pötz
- Computer Physics Communications
- 2016

– The interaction of a quantum system with a bath, usually referred to as dissi-pation, can be controlled if one can establish quantum interference between the system–bath interaction and a coupling of the system to an external control field. This is demonstrated for the example of the spin-boson model in the strong coupling limit for the system–bath… (More)

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