Ground state phase diagram of 2D electrons in high magnetic field

Details Ground state phase diagram of 2D electrons in high magnetic field Ground state phase diagram of 2D electrons in high magnetic field

2003-08-07

arxiv.org/abs/cond-mat/0308122v2

Physica E vol.22 (2004) 111

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 7 figures, Proceedings of EP2DS-15, to appear in Physica E

Scientific paper

10.1016/j.physe.2003.11.228

The ground state phase diagram of two-dimensional electrons in high magnetic field is studied by the density matrix renormalization group (DMRG) method. The low energy excitations and pair correlation functions in Landau levels of N=0,1,2 are calculated for wide range of fillings. The obtained results for systems with up to 25 electrons confirm the existence of various electronic states in quantum Hall systems. The ground state phase diagram for N=0,1,2 consisting of incompressible liquids, compressible liquids, charge density waves called stripe, bubble and Wigner crystal is determined.

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