collaborators

6 papers

quant-ph2026

A NISQ-friendly Coined Quantum Walk Algorithm for Chaos-based Cryptographic Applications

Natalie Gibson, Niklas Keckman, Andrea Marchesin +2

We present a novel lackadaisical alternating quantum walk (LAQW) algorithm whose circuit depth scales as for a lattice over time steps. We sho…

quant-ph2026

Gate Freezing Method for Gradient-Free Variational Quantum Algorithms in Circuit Optimization

Joona Pankkonen, Lauri Ylinen, Matti Raasakka +2

Parameterized quantum circuits (PQCs) are pivotal components of variational quantum algorithms (VQAs), which represent a promising pathway to quantum advantage in noisy intermediat…

quant-ph2025

Improving Variational Quantum Circuit Optimization via Hybrid Algorithms and Random Axis Initialization

Joona V. Pankkonen, Lauri Ylinen, Matti Raasakka +1

Variational quantum circuits (VQCs) are an essential tool in applying noisy intermediate-scale quantum computers to practical problems. VQCs are used as a central component in many…

cond-mat.soft2025

Unlocking the full potential of jumping condensation on microstructured surfaces

Mariia S. Kiseleva, Tytti Karki, Mika Latikka +11

Water condensation on superhydrophobic surfaces can generate spontaneous droplet jumping, enabling rapid condensate removal and improved thermal and mass transfer. Although this ef…

quant-ph2025

Noisy Quantum Simulation: Performance and Resource Considerations for the Tavis-Cummings and Heisenberg Models

Alisa Haukisalmi, Daniel Paz Ramos, Matti Raasakka +3

Fault-tolerant quantum computers promise the simulation of complex quantum systems beyond the reach of classical computation. In contrast, current noisy intermediate-scale quantum…

quant-ph2025

Enhancing Hybrid Methods in Parameterized Quantum Circuit Optimization

Joona V. Pankkonen, Matti Raasakka, Andrea Marchesin +1

Parameterized quantum circuits (PQCs) play an essential role in the application of variational quantum algorithms (VQAs) in noisy intermediate-scale quantum (NISQ) devices. The PQC…