Deutsch
Steffens, Oliver and Rössler, Ulrich and Suhrke, Michael (1998) Spontaneously broken time-reversal symmetry in quantum dots. Europhysics Letters 44 (2), pp. 222-228.
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Other URL: http://www.edpsciences.org/articles/epl/abs/1998/20/44216/44216.html
Abstract
We present current-spin density-functional calculations for circular parabolic quantum dots in zero magnetic field. We find the possibility for broken time-reversal symmetry via exchange correlation with spontaneously induced orbital currents. For certain electron numbers, this results in new current textures which give rise to a finite magnetization even for ground states with vanishing total angular momentum.
| Item Type: | Article | ||||
|---|---|---|---|---|---|
| Institutions: | Physics > Institute of Theroretical Physics > Retired Professors > Group Ulrich Rössler | ||||
| Identification Number: |
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| Subjects: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Yes, this version has been refereed | ||||
| Created at the University of Regensburg: | Yes | ||||
| Owner: | Redakteur Physik | ||||
| Deposited On: | 20 Mar 2007 | ||||
| Last Modified: | 20 Jul 2011 22:55 | ||||
| Item ID: | 1372 |
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