QSQW2025

11th International conference on Quantum Simulation and Quantum Walks, 14-17 January 2025, Naples, Italy


14 January 2025

09:00Opening and Welcome
09:20Invited talk: Quantum Cellular Automata: from models to simulations
Giuseppe Di Molfetta, Aix-Marseille University, France
09:50Hiperwalk: A Python Package for Quantum Walk Simulations with HPC
Renato Portugal, National Laboratory of Scientific Computing, Brazil
10:10Search and state transfer between hubs by quantum walks
Martin Stefanak, Czech Technical University Prague, Czech Republic
10:30-11:00Coffee break (catering area)
11:00Invited talk: Hybrid photonics platform for quantum walk
Taira Giordani, University of Rome La Sapienza, Italy
11:30Two Photon Tripartite Entanglement Transfer in Time-Multiplexed Quantum Walks
Jonas Lammers, Paderborn University, Integrated Quantum Optics, Institute for Photonic Quantum Systems (PhoQS), Germany
11:50Large-scale quantum walks via complex polarization transformations
Francesco Di Colandrea, University of Naples Federico II, Italy
12:10Demonstration of a photonic time-multiplexed C-NOT gate
Federico Pegoraro, Paderborn University, Integrated Quantum Optics, Institute of Photonic Quantum Systems (PhoQS), Germany
12:30-14:30Break (lunch on your own)
14:30Invited talk: Interacting topological pumps in Rydberg synthetic dimensions
Bryce Gadway, The Pennsylvania State University, USA
15:00Fate of high winding number topological phases in the disordered extended Su-Schrieffer-Heeger model
Emmanuele Gesualdo Cinnirella, University of Calabria, Italy
15:20Dynamics across quantum phase transitions in Rydberg atom arrays
Simone Notarnicola, University of Padova, Italy
15:40Quantum random walks in neutron scattering
Dmitry Pushin, University of Waterloo, Canada
16:00-16:30Coffee break (catering area)
Session chair: Giuseppe Di Molfetta, Aix-Marseille University, France
16:30Quantum cellular automata for quantum error correction and density classification
Don Winter, Forschungszentrum Jülich, Germany
16:50Density Classification with Non-Unitary Quantum Cellular Automata
Federico Dell’Anna, University of Bologna, Italy
17:10Quantum cryptographic protocols with dual messaging system via 2D alternate quantum walk of a genuine single-photon entangled state
Dinesh Kumar Panda, National Institute of Science Education and Research, India

15 January 2025

Session chair: Bryce Gadway, The Pennsylvania State University, USA
09:00Invited talk: Non-Hermitian Quantum Walks
Peng Xue, Beijing Computational Science Research Center, China
09:30Understanding topology and geometry in lattice systems with photonic Quantum Walks
Alessio D’Errico, University of Ottawa, Canada
09:50Invited talk: Tunable generation of spatial entanglement by quantum walks in nonlinear waveguide arrays
Florent Baboux, Université Paris Cité, France
10:20Quantum state estimation of optical states via quantum-walk-based quantum extreme learning machines
Luca Innocenti, University of Palermo, Italy
10:40-11:00Coffee break (catering area)
Session chair: Peng Xue, Beijing Computational Science Research Center, China
11:00Invited talk: Bloch oscillations and Landau-Zener tunnelling in a lossy one-dimensional lattice
Eva Maria Graefe, Imperial College London, UK
11:30Experimental simulation of symmetry-protected exceptional points with single photons
Kunkun Wang, Anhui University, China
11:50Quantum Walks of correlated photons in non-Hermitian photonic lattices
Chong Sheng, Nanjing University, China
12:10Topological phase transition in non-Hermitian gauge fields
Bikashkali Midya, IISER Berhampur, India
12:30-14:30Break (lunch on your own)
Session chair: Carolin Wille, University of Cambridge, UK
14:30Locality, Interactions, and Positive Energy in Quantum Cellular Automata
Todd Brun, University of Southern California, USA
14:50Continuum Limits of Discrete Quantum Walks With Decoherence
Lara Janiurek, University of Strathclyde, Scotland
15:10Effective dynamics from minimising dissipation
Antonio Rotundo, University of Pavia, Italy
15:30-16:00Coffee break (catering area)
16:00-18:00Poster session (click here to see the posters list)
20:00Social dinner

16 January 2025

09:00Invited talk: Identifying network topologies via quantum walks
Claudia Benedetti, University of Milan, Italy
09:30Pulsation of quantum walks on Johnson graphs
Taisuke Hosaka, Yokohama National University, Japan
09:50Causal decompositions of 1D Quantum Cellular Automata
Augustin Vanrietvelde, Institut Polytechnique de Paris, France
10:10Classification of One-dimensional Single Fermionic Quantum Cellular Automata
Paolo Meda, University of Pavia, INFN, Italy
10:30-11:00Coffee break (catering area)
Session chair: Eva Maria Graefe, Imperial College London, UK
11:00Invited talk: Classical Simulation of Parity Preserving Circuits
Carolin Wille, University of Cambridge, UK
11:30Exploring dynamical quantum phase transitions and work extraction in open quantum systems using matrix product states
Grazia Di Bello, University of Naples Federico II, Italy
11:50Nuclear Structure Application of Quantum Simulation
Paul Stevenson, University of Surrey, UK
12:10Exponential tail estimates for quantum lattice dynamics
Christopher Cedzich, University of Dusseldorf, Germany
12:30Group Photo – Meeting point: registration desk
12:50-14:50Break (lunch on your own)
Session chair: Roberta Zambrini, IFISC, Spain
14:50Invited talk: Recurrence in discrete-time quantum stochastic walks
Aurél Gábris, Czech Technical University, Czech Republic
15:20Variational quantum simulation and non unitary dynamics in Gaussian and non-Gaussian continuous-variable systems
Paolo Stornati, Barcelona Supercomputing Center Plaça d’Eusebi Güell, Spain
15:40Efficient implementation of discrete-time quantum walks on quantum computers
Luca Razzoli, University of Insubria, Italy
16:00Quantum Walks over Different Topologies
Farid (Roohollah) Ghobadi, Nexus for Quantum Technologies, University of Ottawa, Canada
16:20-16:50Coffee break (catering area)
17:30Guided tour

17 January 2025

09:00Invited talk: All-optical quantum information processing in the ultrafast regime
Kate Fenwick, University of Ottawa | National Research Council of Canada, Canada
09:30Exponential optimization of adiabatic quantum-state preparation
Davide Cugini, University of Pavia, Italy
09:50Thermodynamics and Protection of Discrete-Time Crystals
Gabriele Cenedese, University of Insubria, Italy
10:10First Hitting Times on a Quantum Computer: Tracking vs. Local Monitoring, Topological Effects, and Dark States
Sabine Tornow, University of the Bundeswehr, Germany
10:30-11:00Coffee break (catering area)
Session chair: Renato Portugal, National Laboratory of Scientific Computing, Brazil
11:00Invited talk: Quantum reservoir computing and skin effect
Roberta Zambrini, IFISC, Spain
11:30Random compilers for Hamiltonian simulation via Markov chains
Benoît Dubus, ULB, Belgique
11:50Measurement-Induced Phase Transitions in Infinite-Range Systems without Postselection Barriers
Gianluca Passarelli, University of Naples Federico II, Italy
12:10Experimental implementation of quantum-walk-based portfolio optimisation
Dengke Qu, Beijing Computational Science Research Center, China
12:30-14:30Break (lunch on your own)
14:30Invited talk: A comfortable graph embedding on closed surface for quantum walk
Etsuo Segawa, Yokohama National University, Japan
15:00Chiral quantum walks and applications
Giovanni Ragazzi, University of Modena and Reggio Emilia, Italy
15:20Perfect Chiral Quantum Routing
Simone Cavazzoni, University of Modena and Reggio Emilia, Italy