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Updated: May 3, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

Quantum flutter: signatures and robustness.

Michael Knap¹, Charles J M Mathy², Martin Ganahl³

¹Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA and ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA and Institute of Theoretical and Computational Physics, Graz University of Technology, 8010 Graz, Austria.

Physical Review Letters

|February 4, 2014

Summary

This summary is machine-generated.

We discovered quantum flutter, a persistent oscillation in impurity particle momentum within quantum gases. This phenomenon, observed away from integrability, offers new avenues for ultracold atom experiments.

Related Experiment Videos

Last Updated: May 3, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

Area of Science:

Quantum physics
Condensed matter physics
Ultracold atomic gases

Background:

Interacting one-dimensional quantum gases exhibit complex dynamics.
Impurity particle motion is crucial for understanding quantum gas behavior.

Purpose of the Study:

To investigate the dynamics of an impurity particle injected into a 1D quantum gas.
To analyze the phenomenon of quantum flutter and its underlying mechanisms.

Main Methods:

Large-scale numerical simulations.
Matrix product state (MPS) techniques.
Analysis of impurity momentum oscillations.

Main Results:

Observed long-lived oscillations of impurity momentum, termed quantum flutter.
Quantum flutter frequency matches the energy difference between collective excitation branches.
Proposed an explanation for finite saturation momentum based on excitation spectrum properties.

Conclusions:

Quantum flutter exists beyond integrable models.
Identified experimental parameter regions for observing quantum flutter in ultracold atoms.
Provides insights into quantum gas dynamics and impurity interactions.