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arxiv: 1302.4008 · v1 · pith:F3OP2E2Knew · submitted 2013-02-16 · 🪐 quant-ph · cond-mat.other· math-ph· math.MP

Time dependent Stark ladders: Exact propagator and caustic control

classification 🪐 quant-ph cond-mat.othermath-phmath.MP
keywords controlfieldpropagatorablecausticcausticsdependentdiscrete
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In this note we present a new propagator for a particle in discrete space under the influence of a time-dependent field. With this result we are able to control the shape of caustics emerging from a point-like source, as the explicit form of the wavefronts can be put in terms of the external field.

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