Spin polarization and its fluctuation in a two-dimensional electron gas with Rashba spin-orbit interactions


Proceedings of the 33rd Samahang Pisika ng Pilipinas Physics Congress, University of Northern Philippines, Vigan City, 3–6 Jun 2015, SPP-2015-5C-07.


The total spin polarization of a two-dimensional gas in the presence of a transverse magnetic field and Rashba spin-orbit interaction vanishes at high filling factors (weak magnetic fields) and shows the location of level crossings at sudden changes in its values. At strong magnetic fields, non-analyticities in the behavior of the spin fluctuations are exhibited at half-integer filling factors.