Dark Soliton of Polariton Condensates under Nonresonant PT -Symmetric Pumping*
Dark Soliton of Polariton Condensates under Nonresonant PT -Symmetric Pumping*
A quantum system in complex potentials obeying parity-time ( <?CDATA ${ \mathcal P }{ \mathcal T }$?> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mi mathvariant="script">P</mml:mi> <mml:mi mathvariant="script">T</mml:mi> </mml:math> ) symmetry could exhibit all real spectra, starting out in non-Hermitian quantum mechanics. The key physics behind a <?CDATA ${ \mathcal P }{ \mathcal T …