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Updated: May 7, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Dynamic stabilization of a quantum many-body spin system.

T M Hoang¹, C S Gerving, B J Land

¹School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430, USA.

Physical Review Letters

|September 17, 2013

Summary

This summary is machine-generated.

Researchers dynamically stabilized a quantum spin system in a Bose-Einstein condensate using microwave pulses. This method controls quantum spin mixing and squeezing, crucial for quantum technologies.

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An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

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Published on: August 2, 2019

Area of Science:

Quantum physics
Atomic physics
Condensed matter physics

Background:

Quantum spin systems are fundamental to quantum information science.
Spin-1 Bose-Einstein condensates (BECs) offer a controllable platform for studying many-body quantum dynamics.
Unstable points in BECs can lead to complex phenomena like squeezing and spin mixing.

Purpose of the Study:

To demonstrate dynamic stabilization of a strongly interacting quantum spin system.
To investigate the control of quantum spin mixing and squeezing in a spin-1 BEC.
To map the stability phases of the controlled quantum system.

Main Methods:

Initializing a spin-1 atomic Bose-Einstein condensate to an unstable fixed point.
Applying periodic microwave pulses to manipulate spin-nematic many-body fluctuations.
Measuring the stability diagram by varying pulse periods and phase shifts.

Main Results:

Successfully stabilized a strongly interacting quantum spin system.
Observed suppression of quantum spin mixing and squeezing through dynamic control.
Generated a detailed stability diagram correlating pulse parameters with system stability.

Conclusions:

Dynamic stabilization using periodic microwave pulses is an effective method for controlling quantum spin dynamics in BECs.
The findings provide a pathway for engineering quantum states and mitigating decoherence in quantum systems.
The experimental results align well with theoretical stability analysis, validating the control technique.