We have over 12,000 students, from over 100 countries, within one of the safest campuses in the UK


93% of Lancaster students go into work or further study within six months of graduating

Home > Research > Publications & Outputs > Bistability of optically induced nuclear spin o...
View graph of relations

« Back

Bistability of optically induced nuclear spin orientation in quantum dots

Research output: Contribution to journalJournal article


Article number195310
Journal publication date13/11/2007
JournalPhysical Review B
Number of pages6
Original languageEnglish


We demonstrate that bistability of the nuclear spin polarization in optically pumped semiconductor quantum dots is a general phenomenon possible in dots with a wide range of parameters. In experiment, this bistability manifests itself via the hysteresis behavior of the electron Zeeman splitting as a function of either pump power or external magnetic field. In addition, our theory predicts that the nuclear polarization can strongly influence the charge dynamics in the dot leading to bistability in the average dot charge.

Bibliographic note

© 2007 The American Physical Society