Indirect excitons , which are created by light and decay to emit light , strongly interact due to their dipole alignment .
a system of indirect excitons ( composed of bound pairs of electrons and holes in double quantum wells with a static dipole moment ) .
Indirect excitons , which are created by light and decay to emit light , strongly interact due to excitons ' dipole alignment .
a system of indirect excitons ( composed of bound pairs of electrons and holes in double quantum wells with a static dipole moment ) .