Location: Quantum Chaos and Quantum Information (Jagiellonian University)
seminar
Speaker: Filip Maciejewski (CFT PAN Warszawa) Abstract We introduce operational distance measures between quantum states, measurements, and channels based on their average-case distinguishability. To this end, we analyze the average Total Variation Distance (TVD) between statistics of quantum protocols in which quantum objects are intertwined with random circuits and subsequently measured in a computational basis. […]
Speaker: Marcin Markiewicz (ICTQT) Abstract Recently there appeared many works on modified Wigner's Friend paradoxes, which suggest that quantum theory cannot consistently describe the scenario with many observers. In this presentation I will show an alternative approach to this problem, which indicates that the paradoxes are in fact apparent, and the source of confusion is […]