Event categories: seminar

Speaker:  Janek Kozicki (Gdańsk University of Technology) Abstract In this talk I present a high-precision (15, 18 or 33 decimal places) C++ implementation of quantum dynamics time propagation algorithms for both time-independent and time-dependent Hamiltonian with an inhomogeneous source term. Moreover I present an extension of both algorithms for time propagation to handle arbitrary number […]

Speaker: Alexssandre de Oliveira Junior  (Faculty of Physics, UJ) Abstract Catalysis plays a key role in many scientific areas, most notably in chemistry and biology. In this talk, I will present a catalytic process in a paradigmatic quantum optics setup, namely the Jaynes-Cummings model, where an atom interacts with an optical cavity. The atom plays […]

Speaker: Fabio Costa (University of Queensland) Abstract What does it mean for a causal structure to be “unknown”? Can we even talk about “repetitions” of an experiment without prior knowledge of causal relations? And under what conditions can we say that a set of processes are independent and identically distributed (i.i.d.)? Similar questions for classical […]

Speaker: Ismael Delgado Gaspar (National Centre for Nuclear Research) Abstract The current era of precision cosmology has provided us with high-quality observational data across astrophysical and cosmological scales. Interpreting these data requires robust modeling of self-gravitating systems. However, the use of exact solutions of Einstein's equations and non-linear approaches has been less favored in examining […]

Speaker: Albert Rico  (Faculty of Physics, UJ)

Speaker: Ana Costa (Federal University of Paraná) Abstract Verifying entanglement between parties is essential for creating a secure quantum network, and Bell tests are the most rigorous method for doing so. However, if there is any signalling between the parties, then the violation of these inequalities can no longer be used to draw conclusions about […]

Speaker: Adamantia Zampeli (Universidad Nacional Autónoma de México, Morelia) Abstract In this talk, I will introduce the main elements and ideas of the general boundary formulation [R. Oeckl. A local and operational framework for the foundations of physics. Advances in Theoretical and Mathematical Physics, 23(2):437–592, 2019. arXiv: 1610.09052.]. This is a formalism inspired by quantum […]

Speaker: Robert Spekkens (Perimeter Institute for Theoretical Physics) Abstract Can the effectiveness of a medical treatment be determined without the expense of a randomized controlled trial? Can the impact of a new policy be disentangled from other factors that happen to vary at the same time? Questions such as these are the purview of the […]

Speaker: Paweł Rykała  (Faculty of Physics, UJ)

Speaker: Adam Burchard (Amsterdam) Abstract Graph states are a cornerstone of quantum information theory. Existing invariants characterizing the local Clifford (LC) equivalence classes of graph states are however computationally inefficient and call for a more tractable approach. This paper introduces the foliage partition, an easy-to-compute LC-invariant of computational complexity O(n^3) in the number of qubits. […]