DQUANT - Dissipative Quantum Chaos Perspective on Near-Term Quantum Computing


Project: DQUANT

Title: Dissipative Quantum Chaos Perspective on Near-Term Quantum Computing

Period: 1. 4. 2022 - 31. 3. 2025


Coordinator: Pedro Ribeiro (University of Lisbon, PT)

David Luitz (University of Bonn, DE)

Sergiy Denysov (Oslo Metropolitan University, NO)

Karol Życzkowski (Jagiellonian University, PL)

Tomaž Prosen (University of Ljubljana, Faculty of Mathematics and Physics, SI)

Research activity: Quantum Phenomena and Resources

Project description:

The arrival of Quantum Computer (QC) prototypes developed by companies like D-Wave Systems, Honeywell, Google, and IBM, marked the beginning of the era of Quantum Information Technology. Yet, after almost a decade, the available platforms remain prototypical. The reason for this is rooted in physics: It is extremely difficult to isolate quantum processors from their environment while keeping the necessary degree of control.

Rather than contributing to the ongoing fight with environment-induced decoherence, we want to shift the paradigm and develop an approach that uses dissipation as a resource. We will accomplish this by re-viewing quantum processors, quantum algorithms, and quantum error correction schemes from the perspective of Dissipative Quantum Chaos.

The primary objective of our project is to develop a theory of dissipative quantum circuits, based on recent ideas on the physics of open quantum systems. The theory will provide a new approach to analysis and design of qubit-based circuits in the current era of Noisy Intermediate-Scale Quantum Technologies. On the way to this goal, we will develop a methodology of simulations of open quantum systems on the existing QC prototypes. This will constitute a new approach to experimental studies of open quantum many-body systems and highlight the present-day QCs as already established flexible platforms to explore, simulate, and model complex systems and phenomena.