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Electron–Hole Liquid above the Critical Point
Author(s) -
Martin R. W.
Publication year - 1974
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220660226
Subject(s) - degenerate energy levels , critical point (mathematics) , exciton , condensed matter physics , phase transition , plasma , electron , materials science , electron hole , doping , crystal (programming language) , physics , quantum mechanics , computer science , programming language , mathematical analysis , mathematics
At sufficiently high pumping levels, carrier densities of more than 2 × 10 17 cm −3 can be produced in doped Ge or small crystals of intrinsic Ge. As a result, the crystal can be entirely filled with a degenerate electron–hole plasma. With increasing temperature this system does not undergo a phase transition to a low density free exciton gas, even at temperatures above the critical point.