Premium
Possibility of the Excitonic Phase in Insulators
Author(s) -
Zimmermann R.
Publication year - 1970
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.19700390111
Subject(s) - excitation , exciton , insulator (electricity) , condensed matter physics , band gap , phase (matter) , physics , energy (signal processing) , quantum mechanics , optoelectronics
Applying many‐particle methods the lowest excitation energy of the exciton is calculated for an insulator with small energy gap. Screening is taken into account by means of a self‐consistent k ‐dependent screening function. At the finite critical gap G c the excitation energy vanishes leading to the excitonic phase.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom