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Showing 2004 · quant-phShow all
2 papers · 2 filters
quant-ph2004★ 39 cited
An approximation to couplings on graphs
Taksu Cheon, Pavel Exner
We discuss a general parametrization for vertices of quantum graphs and show, in particular, how the and coupling at an edge vertex can be approximated by means of…
quant-ph2004★ 12 cited
Path integral in a magnetic field using the Trotter product formula
B. Gaveau, E. Mihokova, M. Roncadelli +1
The derivation of the Feynman path integral based on the Trotter product formula is extended to the case where the system is in a magnetic field.