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Spontaneously broken time-reversal symmetry in quantum dots.

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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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 ...

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Item Type:Article
Date:1998
Institutions:Physics > Institute of Theroretical Physics > Retired Professors > Group Ulrich Rössler
Identification Number:
ValueType
10.1209/epl/i1998-00460-0DOI
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:13 Mar 2014 09:53
Item ID:1372
Owner Only: item control page

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