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Avoided-level-crossing spectroscopy with dressed matter waves.

André Eckardt¹, Martin Holthaus

¹ICFO-Institut de Ciències Fotòniques, E-08860 Castelldefels (Barcelona), Spain. andre.eckardt@icfo.es

Physical Review Letters

|December 31, 2008

Summary

This summary is machine-generated.

We developed a new method to study resonances in macroscopic matter waves within shaken optical lattices. This technique allows disabling resonances by adjusting driving amplitude, revealing analogies with dressed atoms.

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Area of Science:

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

Background:

Macroscopic matter waves are crucial for quantum phenomena.
Optical lattices are used to control and study quantum systems.
Resonances in matter waves can significantly impact their behavior.

Purpose of the Study:

To develop a method for probing resonances of macroscopic matter waves.
To investigate the possibility of disabling these resonances.
To explore analogies between periodically driven matter waves and dressed atoms.

Main Methods:

Probing resonances by monitoring the response of matter waves to slow parameter changes.
Theoretical analysis of the proposed probing scheme.
Investigating the effect of driving amplitude on resonances.

Main Results:

A novel method for probing matter wave resonances in shaken optical lattices is presented.
It is demonstrated that resonances can be disabled by specific driving amplitude choices.
Analogies between dressed atoms and time-periodically forced matter waves are revealed.

Conclusions:

The developed method provides a new tool for studying quantum phenomena in macroscopic matter waves.
Disabling resonances offers potential control over matter wave behavior.
The revealed analogies deepen our understanding of driven quantum systems.