Stany splątane i dynamika otwartych układów kwantowych

Seminaria Katedry 2020/2021

13.04.21, 10:15 am, Dr Anton Trushechkin (Steklov Mathematical Institute, Moscow): Unified quantum dynamical semigroup of weak-coupling limit type (ZOOM link)
15.04.2021, 15:15, Prof. Dariusz Chruściński (Nicolaus Copernicus University): On the universal constraints for relaxation rates for quantum dynamical semigroup (ZOOM link), location: Quantum Information and Quantum Computing Working Group, Centre for Theoretical Physics, PAS.
20.04.21, 10:15 am, Prof. Jarosław Korbicz (Centre for Theoretical Physics, Polish Academy of Sciences): Generic appearance of objective results in quantum measurements (ZOOM link)
27.04.21, 10:15 am, Prof. Jarosław Korbicz — kontynuacja seminarium z 20.04.21 (ZOOM link)
12.10.21, 10:15 am, Dr Anita Dąbrowska (University of Gdańsk): Photon counting probabilities of the output field for a single-photon input
19.10.21, 10:15 am, Dr Davide Lonigro (Istituto Nazionale di Fisica Nucleare, Bari): Hidden non-Markovianity in open quantum systems
26.10.21, 10:15 am, Dr Arpan Das (Dep. Mathematical Physics, NCU): Introduction to Thermodynamic Uncertainty Relations (TUR)
9.11.21, 10:15 am, Dr Tanmay Singal (Dep. Mathematical Physics, NCU): Random positive operator-valued measures (ZOOM link)
16.11.21, 10:15 am, Dr Samaneh Hesabi (Dep. Mathematical Physics, NCU): Exploiting Gaussian steering to probe non-Markovianity due to the interaction with a structured environment (ZOOM link)
23.11.21, 10:15 am, Dr Katarzyna Siudzińska (Dep. Mathematical Physics, NCU): Geometry on the manifold of Gaussian quantum channels (ZOOM link)
30.11.21, 10:15 am, Dr Katarzyna Siudzińska (Dep. Mathematical Physics, NCU): All classes of informationally complete symmetric measurements in finite dimensions (ZOOM link)
7.12.2021, 10:15 am, Dr Tanmay Singal (Dep. Mathematical Physics, NCU): Implementation of quantum measurements using classical resources and only a single ancillary qubit (ZOOM link)
14.12.2021, 10:15 am, Dr Tanmay Singal (Dep. Mathematical Physics, NCU): Approximate 3-designs and partial decomposition of the Clifford group representations using transvections (ZOOM link)
11.01.2022, 10:15 am, Dr Tanmay Singal (Dep. Mathematical Physics, NCU): Representations of the adjoint action of Clifford group on multiqubit systems: recent developments (ZOOM link)
18.01.2022, 10:15 am, Dr Anindita Bera (Dep. Mathematical Physics, NCU): A class of Bell diagonal entanglement witnesses in C^4 ⊗ C^4 : optimization and the spanning property (ZOOM link)
25.01.2022, 10:15 am, Dr Sudipto Singha Roy (Instituto de Física Teórica UAM/CSIC, Madrid, Spain): Exotic correlation spread in free-fermionic states with initial patterns (ZOOM link)
1.02.2022, 10:15 am, Dr Sagnik Chakraborty (Dep. Mathematical Physics, NCU): On thermalization of two-level quantum systems (ZOOM link)
22.02.2022, 10:15 am, Dr Tanmay Singay (Dep. Mathematical Physics, NCU): Structure of minimum error discrimination for linearly independent states [Ref.] (Zoom link)
1.03.2022, 10:15 am, Dr Tanmay Singay (Dep. Mathematical Physics, NCU): Bounding the Frobenius norm of a q-deformed commutator (Zoom link)
8.03.22, 10:15 am, Dr Arpan Das (Dep. Mathematical Physics, NCU): Quantum homogenization in non-Markovian collisional model (ZOOM link), arXiv: 2201.08412
15.03.22, 10:15 am, Dr Tomasz Piotrowski (Institute of Technical Sciences, NCU): Applications of nonlinear Perron-Frobenius theory
5.04.22, 10:15 am, Dr Madhura Ghosh Dastidar (Indian Institute of Technology Madras, Chennai): Entanglement Detection in Two-mode Light States (Zoom link)
12.04.2022, 10:15 am, Dr Anindita Bera (Dep. Mathematical Physics, NCU): How many measurements are needed to detect bound entangled states? (Zoom link)
26.04.2022, 10:15 am, Dr Samaneh Hesabi (Dep. Mathematical Physics, NCU): Memory effects displayed in the evolution of continuous variable system (Zoom link)
17.05.2022, 10:15 am, Dr Piotr Szańkowski (Institute of Physics, Polish Academy of Sciences): Different perspectives on the theory of open quantum systems (Zoom link)
31.05.2022, 10:15 am, Dr Davide Lonigro (University of Bari & INFN, Italy): Quantum regression in dephasing phenomena
2.06.2022, 12:30 pm, Prof. Dariusz Chruściński (Dep. Mathematical Physics, NCU): Quantum dynamics beyond the Schrödinger equation, “Thursday’s Physics Colloquium” of the Faculty of Physics, Astronomy and Informatics
7.06.22, 10:15 am, Dr Arpan Das (Dep. Mathematical Physics, NCU): Precision bound in periodically modulated continuous quantum thermal machines, [Ref.]
11.10.2022, 10:15 am, Dr Davide Lonigro (University of Bari & INFN, Italy): Excitation-damping quantum channels (based on: D. Lonigro and D. Chruściński, arXiv:2206.04623 [quant-ph])
18.10.2022, 10:15 am, Dr Fereshte Shanbeigi (Jagellonian University, Kraków): Quantumly (non)Markovian Classical Maps
15.11.2022, 10:15 am, Dr Piotr Szańkowski (Institute of Physics, Polish Academy of Sciences): The origin of external fields in quantum mechanics
22.11.22, 10:15 am, Dr Katarzyna Siudzińska (Dep. Mathematical Physics, NCU): Phase-covariant mixtures of non-unital qubit maps
13.12.22, 10:15 am, Dr Michał Studziński (University of Gdańsk): Optimal universal quantum circuits for unitary complex conjugation
20.12.22, 10:15 am, Mateusz Skarupski (Faculty of Physics, Astronomy and Informatics, NCU): Applications of hyperelliptic curves of genus 2 in cryptography
24.01.2023, 10:15 am, Dr Tanmay Singay (Dep. Mathematical Physics, NCU): Counting stabiliser codes for arbitrary dimension
31.01.2023, 10:15 am, Dr Anindita Bera (Dep. Mathematical Physics, NCU): A class of optimal positive map in $M_n$
14.03.2023, 10:15 am, Dr Filip Wudarski ( ): Noise modeling in variational quantum algorithms
22.03.2023, 10:15 am (DAMSI seminar), Prof. Gniewomir Sarbicki (Dep. Mathematical Physics, NCU): Optimal detection of quantum entanglement
4.04.2023, 10:15 am, Dr Katarzyna Siudzińska (Dep. Mathematical Physics, NCU): Improving classical capacity of qubit dynamical maps through stationary state manipulation
16.05.2023, 10:15 am, Dr Sagnik Chakraborty (University of Warsaw): Strongly coupled quantum Otto cycle with single qubit bath
23.05.2023, 10:15 am, Dr Alexander V. Turbiner (ICN-UNAM, Mexico, and Stony Brook University, USA): Anharmonic oscillator: a solution

Seminaria Katedry 2023/2024

10.10.2023, 10:15 am, Dr Giovanni Scala (University of Bari): New Entanglement Witness and Entangled States
19.10.2023, 12:30 pm, Dr Anindita Bera (Nicolaus Copernicus University): Optimality of the generalization of Choi map beyond circulant scenario
24.10.2023, 10:30 am, Dr Frederik vom Ende (Freie Universität Berlin): Dynamical Generators Beyond Complete Positivity
7.11.2023, 10:15 am, Dr Kimmo Luoma (University of Turku): Linear optical properties of organic microcavity polaritons with non-Markovian Quantum State Diffusion
7.11.2023, 11:15 am, Dr Andrea Smirne (University of Milan): Beyond quantum regression theorem: a nonperturbative characterization of multitime correlation functions
14.11.2023, 10:15 am, Dr Krzysztof Szczygielski (Nicolaus Copernicus University): D-divisible quantum evolution families
21.11.2023, 10:15 am, Prof. Katarzyna Siudzińska (Nicolaus Copernicus University): Optimality of entanglement witnesses constructed from projective measurements
12.03.2024, 10:15 am, Dr Bihalan Bhattacharya (Nicolaus Copernicus University): Entanglement detection harnessing Lindblad structure
26.03.2024, 10:15 am, Prof. Katarzyna Siudzińska (Nicolaus Copernicus University): How symmetric must symmetric measurements be for efficient operational applications?
16.04.2024, 10:15 am, Dr Dariusz Woźniak (AGH University of Cracow): Quantum phase-space formulation
23.04.2024, 10:15 am, Dr Giovanni Nichele (University of Trieste): Tensor products of dynamical maps and superactivation of backflow of information
4.06.2024, 10:15 am, Prof. Nichol Furey (Humboldt-Universitat zu Berlin): An Algebraic Roadmap of Particle Theories
11.06.2024, 10:15 am, Dr Arpan Das (University of Warsaw): Universal time scalings of sensitivity in Markovian quantum metrology
26.06.2024, 12:15 pm, Prof. Sibasish Ghosh (Institute of Mathematical Sciences, Chennai): Quantum homogenization in Marovian and non-Markovian collisional models

Seminars of the Department 2024/2025

8.10.2024, 10:15 am, Dr Vivek Pandey (Nicolaus Copernicus University): Fundamental limitations on the recoverability of quantum processes I
15.10.2024, 10:15 am, Dr Vivek Pandey (Nicolaus Copernicus University): Fundamental limitations on the recoverability of quantum processes II
22.10.2024, 10:15 am, Prof. Kasia Siudzińska (Nicolaus Copernicus University): Informationally overcomplete measurements from generalized equiangular tight frames
5.11.2024, 10:15 am, Prof. Dariusz Chruściński (Nicolaus Copernicus University): Constraints for relaxation rates for open quantum systems

Zorganizowane konferencje 2020/2021

14-17.06.21, The 52 Symposium on Mathematical Physics, “Channels, Maps, and All That”, konferencja on-line z udziałem ponad 180 uczestników i 48 mówców. Sympozjum zadedykowano pamięci Profesora Andrzeja Kossakowskiego. Wszystkie wystąpienia zostały zarejestrowane i są dostępne poprzez kanał YouTube Katedry Fizyki Matematycznej.

Konferencje zorganizowane w 2022 r.

15.06.2022, The 53 Symposium on Mathematical Physics, an online meeting comprising 8 invited lectures, including the annual OSID and ROMP Editorial Boards meeting.

Konferencje zorganizowane w 2023 r.

8-11.06.2023, The 54 Symposium on Mathematical Physics, an in-person event with 46 invited lectures and poster session, Institute of Physics, N. Copernicus University, Toruń, Poland, http://fizyka.umk.pl/smp/smp54/ including the annual OSID and ROMP Editorial Boards meeting.

Konferencje organizowane w 2024 r.

21-22.06.2024, The 55 Symposium on Mathematical Physics, an in-person event with 28 invited lectures and poster session, Institute of Physics, N. Copernicus University, Toruń, Poland, http://fizyka.umk.pl/smp/smp55/ including the annual OSID and ROMP Editorial Boards meeting.