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quant-ph2022
Generalization of Gamow states to multi-particle decay
Jonathan F. Schonfeld
For single-particle nonrelativistic quantum mechanics, a Gamow state is an eigenfunction of the Hamiltonian with complex eigenvalue. Gamow states are not normalizable; they depend…
quant-ph2017
Superradiance and subradiance in extended media
Jonathan F. Schonfeld
In super- or subradiance, a quantum superposition of excited atoms collectively emits a photon much more or much less rapidly than an isolated atom. Superradiant and subradiant lif…
quant-ph2017
Spatial statistics of single-quantum detection
Jonathan F. Schonfeld
In a single-particle detection experiment, a wavefront impinges on a detector but observers only see a point response. The extent of the wavefront becomes evident only in statistic…