نتایج جستجو برای: continuous spectrum

تعداد نتایج: 477986  

Journal: :Journal of Non-Newtonian Fluid Mechanics 2016

Journal: :St. Petersburg Mathematical Journal 2009

1983
BARRY SIMON

A standard rule of thumb about whether a quantum Hamiltonian H = -A + V(x) has purely discrete spectrum or some continuous spectrum is the following. Look at the volume {(p, q) Ip* + V(q) <E} in R*“. If this volume is finite for all E, the standard wisdom is that H has only discrete spectrum. This standard wisdom also says that if this volume is infinite for some E < oo, then the spectrum is no...

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