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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Exploring the phase space of the quantum delta-kicked accelerator
G Behinaein1, V Ramareddy, P Ahmadi
1Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078-3072, USA.
Physical Review Letters
|February 7, 2007
Summary
Researchers observed quantum accelerator modes in a Bose-Einstein condensate, revealing its pseudoclassical phase space structure. This experiment provides direct measurements of quantum accelerator mode structures.
Area of Science:
- Quantum physics
- Atomic physics
- Condensed matter physics
Background:
- The quantum delta-kicked accelerator is a model system for studying quantum chaos.
- Understanding the transition from quantum to classical behavior is a key challenge in physics.
Purpose of the Study:
- To experimentally investigate the pseudoclassical phase space structure of the quantum delta-kicked accelerator.
- To realize and characterize quantum accelerator modes in a Bose-Einstein condensate.
Main Methods:
- Exposing a Bose-Einstein condensate to a spatially corrugated potential generated by pulsed off-resonant standing light waves.
- Utilizing the narrow momentum distribution of the Bose-Einstein condensate for high-resolution measurements.
Main Results:
- First-time realization of quantum accelerator modes in this experimental system.
- Observation of the discrete momentum state structure within a quantum accelerator mode.
- Direct measurement of the phase space structure size for quantum accelerator modes.
Conclusions:
- The experiment successfully demonstrated and characterized quantum accelerator modes.
- The findings provide insights into the pseudoclassical phase space structure and quantum-classical correspondence in driven quantum systems.
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