Going beyond gadgets: the importance of scalability for analogue quantum simulators

Area of Science:

• Quantum Physics
• Computational Chemistry

Background:

• Quantum hardware promises efficient solutions for computationally intensive problems in physics and chemistry.
• Analogue quantum simulation uses controlled many-body systems to mimic other systems, a feasible approach for near-term quantum devices.

Purpose of the Study:

• To address fundamental barriers in previous theoretical approaches to analogue quantum simulation.
• To enable scalable experimental implementation of analogue quantum simulators.

Main Methods:

• Introduction of a novel mathematical framework.
• Integration of engineered dissipation as a resource beyond traditional Hamiltonian complexity theory.

Main Results:

• Demonstrated overcoming of fundamental barriers in analogue quantum simulation.
• Established a new perspective for the rigorous study of analogue quantum simulators.

Conclusions:

• The developed framework and methods overcome previous limitations in analogue quantum simulation.
• This research paves the way for more robust and scalable quantum simulations on near-term devices.