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Related Experiment Video

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Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Pfaffian state generation by strong three-body dissipation.

M Roncaglia¹, M Rizzi, J I Cirac

¹Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748, Garching, Germany.

Physical Review Letters

|April 7, 2010

Summary

We present a method to create and maintain the Pfaffian state in rotating boson systems. By increasing three-body loss, we suppress unwanted particle interactions, enabling stable pairing and high-fidelity state preparation.

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Area of Science:

Quantum physics
Condensed matter physics
Atomic, molecular, and optical physics

Background:

The Pfaffian state is a key topological quantum state with potential applications in quantum computing.
Preparing and stabilizing such states in experimental systems is challenging due to particle loss and interactions.

Purpose of the Study:

To propose a novel scheme for high-fidelity preparation and stabilization of the Pfaffian state.
To investigate methods for controlling interactions in bosonic systems for state stabilization.

Main Methods:

Utilizing rapidly rotating 2D traps with a small number of bosons.
Implementing a strategy of strongly increasing three-body loss processes.
Initializing the system with specific angular momentum to minimize losses.

Main Results:

The proposed method effectively suppresses unwanted three-particle superpositions while allowing for desired pairing.
The filtering mechanism leads to reasonably small system losses when initialized correctly.
Methods for independent tuning of two- and three-body interactions are discussed.

Conclusions:

The developed scheme offers a viable pathway for preparing and stabilizing the Pfaffian state with high fidelity.
Controlling three-body loss is a crucial mechanism for achieving topological states in bosonic systems.
The ability to tune interactions provides flexibility for experimental implementation and further research.