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SUMMARY:Jarek Duda (Jagiellonian U.)
DTSTART:20230819T140000Z
DTEND:20230819T160000Z
DTSTAMP:20260423T011218Z
UID:QMFNoT/50
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QMFNoT/50/">
 Two-way quantum computers (2WQC) adding CPT analog of state preparation to
  attack NP problems</a>\nby Jarek Duda (Jagiellonian U.) as part of QM Fou
 ndations & Nature of Time seminar\n\n\nAbstract\nWhile one-way quantum com
 puters (1WQC) use reversible\, unitary evolution\, they treat boundary con
 ditions in asymmetric way: allowing to fix only the initial states by stat
 e preparation. There will be discussed their 2WQC enhancement adding CPT a
 nalog of such state preparation to also fix some final states with physica
 l constraints – using CPT analogs as e.g. pull/push\, negative/positive 
 pressure (e.g. radiation)\, stimulated emission/absorption enforcing deexc
 itation/excitation. For hydrodynamics realizations it could be done by jus
 t connecting such chip into a circuit with pump: both pushing into with po
 sitive pressure\, and pulling from with negative pressure. Mathematically 
 hydrodynamics is governed by similar wavelike equation as electromagnetism
 \, hence I will focus on more practical photonic quantum computers\, e.g. 
 with (unidirectional) ring laser acting as pump for photons. If successful
 \, thanks to better control of information flow\, analogously to Shor algo
 rithm\, in theory such 2WQC could attack NP complete problems.\n
LOCATION:https://researchseminars.org/talk/QMFNoT/50/
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