Quantum and classical switching in driven underdamped Josephson junctions
Public support
Provider
Czech Science Foundation
Programme
Standard projects
Call for proposals
SGA0202600001
Main participants
Univerzita Karlova / Matematicko-fyzikální fakulta
Contest type
VS - Public tender
Contract ID
26-22148S
Alternative language
Project name in Czech
Quantum and classical switching in driven underdamped Josephson junctions
Annotation in Czech
Josephson junctions exhibit unique quantum behavior and are crucial for advanced superconducting electronics and quantum computing. Here we aim to characterize the escape dynamics of the Josephson phase from metastable states under both constant and alternating bias currents. We will develop semi-analytical methods and efficient numerical schemes characterizing quantum dissipative escape as well as classical underdamped and non-Markovian escape. Furthermore, we will create machine learning tools for analyzing memory effects and fast simulations of non-Markovian junction dynamics. We also plan to analyze experimental data on Josephson junction switching and the effects of colored noise. By integrating analytical, numerical, and machine learning techniques, our approach will enhance understanding of switching behavior in Josephson circuits, particularly regarding non-Markovian dynamics and noise effects. Through collaboration with experimental groups, we will validate and apply our models to real-world measurements.
Scientific branches
R&D category
ZV - Basic research
OECD FORD - main branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
OECD FORD - secondary branch
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OECD FORD - another secondary branch
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CEP - equivalent branches <br>(according to the <a href="http://www.vyzkum.cz/storage/att/E6EF7938F0E854BAE520AC119FB22E8D/Prevodnik_oboru_Frascati.pdf">converter</a>)
BM - Solid-state physics and magnetism
Solution timeline
Realization period - beginning
Jan 1, 2026
Realization period - end
Dec 31, 2028
Project status
Z - Beginning multi-year project
Latest support payment
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Data delivery to CEP
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data delivery code
CEP26-GA0-GA-R
Data delivery date
Apr 27, 2026
Finance
Total approved costs
8,982 thou. CZK
Public financial support
8,982 thou. CZK
Other public sources
0 thou. CZK
Non public and foreign sources
0 thou. CZK