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SUMMARY:Jarek Duda (Jagiellonian U)
DTSTART:20220623T150000Z
DTEND:20220623T170000Z
DTSTAMP:20260423T010942Z
UID:QMFNoT/36
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QMFNoT/36/">
 Electron diffusion model of semiconductor p-n junction (diode) – where i
 s the classical-quantum boundary?</a>\nby Jarek Duda (Jagiellonian U) as p
 art of QM Foundations & Nature of Time seminar\n\n\nAbstract\nThere is a b
 asic question of what stationary probability distribution should we expect
 \, e.g. for [0\,1] range: standard uniform rho=1\, or maybe quantum rho~si
 n2 ? Experiments show that\, at least for electrons and neutrons\, we shou
 ld use the latter - bringing difficult open question where is the classica
 l-quantum boundary?\nWe will discuss Maximal Entropy Random Walk (MERW)-ba
 sed diffusions\, allowing to understand and repair inconsistency between p
 redictions of these two approaches. While standard diffusion turns out to 
 only approximate the (Jaynes) maximal entropy principle\, MERW really maxi
 mizes it – leading to stationary probability distribution exactly as qua
 ntum ground state\, with Anderson-like localization. Including mean-field 
 self-interaction between electrons\, there was obtained proper asymmetric 
 non-linear Ohm law for model of semiconductor p-n junction (diode) — wit
 h conductance easy only in one direction.\n
LOCATION:https://researchseminars.org/talk/QMFNoT/36/
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