119 citations · 1.1k across the 47 of their papers we have counts for
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quant-ph1998
Gauge transformations for a driven quantum particle in an infinite square well
Stefan Weigert
Quantum mechanics of a particle in an infinite square well under the influence of a time-dependent electric field is reconsidered. In some gauge, the Hamiltonian depends linearly o…
quant-ph1998★ 5 cited
Reconstruction of spin states and its conceptual implications
Stefan Weigert
State reconstruction for quantum spins is reviewed. Emphasis is on non-tomographic approaches which are based on measurements performed with a Stern-Gerlach apparatus. Two conseque…
quant-ph1998★ 43 cited
Reconstructing a pure state of a spin s through three Stern-Gerlach measurements
Jean-Pierre Amiet, Stefan Weigert
Consider a spin s prepared in a pure state. It is shown that, generically, the moduli of the (2s+1) spin components along three directions in space determine the state unambiguousl…