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4 papers · 2 filters
Approximate resonance states in the semigroup decomposition of resonance evolution
Y. Strauss, L. P. Horwitz, A. Volovick
The semigroup decomposition formalism makes use of the functional model for class contractive semigroups for the description of the time evolution of resonances. For a giv…
On the analytic structure of Green's function for the Fano - Anderson model
E. Kogan
We study analytic structure of the Green's function (GF) for the exactly solvable Fano-Anderson model. We analyze the GF poles, branch points and Riemann surface, and show how the…
Decay of discrete state resonantly coupled to a continuum of finite width
E. Kogan
A simple quantum mechanical model consisting of a discrete level resonantly coupled to a continuum of finite width, where the coupling can be varied from perturbative to strong (Fa…
Communication Complexity Protocol for Q-trits
B. Tamir
Consider a function where its entries are distributed among many parties. Suppose each party is allowed to transmit only a limited amount of information to a net. One can use a cla…