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Three-body bound states in atomic mixtures with resonant p-wave interaction
Maxim A Efremov1, Lev Plimak, Misha Yu Ivanov
1Institut für Quantenphysik and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, D-89081 Ulm, Germany and A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, 119991 Moscow, Russia.
Physical Review Letters
|October 1, 2013
Summary
Researchers found an attractive, long-range effective potential in three-body systems with specific resonance conditions. This potential
Area of Science:
- Atomic physics
- Quantum mechanics
- Scattering theory
Background:
- Investigating three-body systems is crucial for understanding complex interactions.
- Resonances in short-range potentials significantly influence system behavior.
Purpose of the Study:
- To determine the effective potential in a three-body system with a heavy-light interaction resonance.
- To analyze the characteristics of this effective potential and its dependence on system parameters.
Main Methods:
- Utilizing the Born-Oppenheimer approximation for effective potential calculation.
- Analyzing p-wave scattering amplitude for resonance conditions.
Main Results:
- An attractive, long-range effective potential (decreasing as 1/r^3) was identified under exact p-wave resonance.
- The potential's range, power, and bound state number depend on particle mass ratio and short-range potential parameters.
Conclusions:
- The study reveals a specific type of long-range interaction arising from short-range resonances.
- Effective potentials in three-body systems are tunable via particle masses and interaction details.
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