Quantum-Dot Ground-State Energies and Spin Polarizations: Soft versus Hard Chaos
نویسندگان
چکیده
منابع مشابه
Quantum-dot ground-state energies and spin polarizations: soft versus hard chaos.
We consider how the nature of the dynamics affects ground state properties of ballistic quantum dots. We find that "mesoscopic Stoner fluctuations" that arise from the residual screened Coulomb interaction are very sensitive to the degree of chaos. It leads to ground state energies and spin polarizations whose fluctuations strongly increase as a system becomes less chaotic. The crucial features...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2003
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.90.176801