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Semi-classical Limit of Confined Fermionic Systems in Homogeneous Magnetic Fields
Annales Henri Poincaré ( IF 1.4 ) Pub Date : 2020-01-16 , DOI: 10.1007/s00023-019-00880-6 Søren Fournais , Peter S. Madsen
Annales Henri Poincaré ( IF 1.4 ) Pub Date : 2020-01-16 , DOI: 10.1007/s00023-019-00880-6 Søren Fournais , Peter S. Madsen
We consider a system of N interacting fermions in \( {\mathbb {R}}^3 \) confined by an external potential and in the presence of a homogeneous magnetic field. The intensity of the interaction has the mean-field scaling 1/N. With a semi-classical parameter \( \hbar \sim N^{-1/3} \), we prove convergence in the large N limit to the appropriate magnetic Thomas–Fermi-type model with various strength scalings of the magnetic field.
中文翻译:
均匀磁场中受限费米子系统的半经典极限
我们考虑\({\ mathbb {R}} ^ 3 \)中的N个相互作用的费米子系统,该费米子受外部电势限制并且存在均匀磁场。相互作用的强度具有平均场缩放1 / Ñ。使用半经典参数\(\ hbar \ sim N ^ {-1/3} \),我们证明了在大N限制下,具有适当强度的磁场的适当托马斯-费米型磁性模型的收敛性。
更新日期:2020-01-16
中文翻译:
均匀磁场中受限费米子系统的半经典极限
我们考虑\({\ mathbb {R}} ^ 3 \)中的N个相互作用的费米子系统,该费米子受外部电势限制并且存在均匀磁场。相互作用的强度具有平均场缩放1 / Ñ。使用半经典参数\(\ hbar \ sim N ^ {-1/3} \),我们证明了在大N限制下,具有适当强度的磁场的适当托马斯-费米型磁性模型的收敛性。