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Four remarks on spin coherent states
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2014 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. T163Article in journal (Refereed) Published
Abstract [en]

We discuss how to recognize the constellations seen in the Majorana representation of quantum states. Then we give explicit formulae for the metric and symplectic form on SU (2) orbits containing general number states. Their metric and symplectic areas differ unless the states are coherent. Finally we discuss some patterns that arise from the Lieb-Solovej map, and for dimensions up to nine we find the location of those states that maximize the Wehrl-Lieb entropy.

Place, publisher, year, edition, pages
2014. Vol. T163
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-161987DOI: 10.1088/0031-8949/2014/T163/014012ISI: 000349832400013ScopusID: 2-s2.0-84919628468OAI: diva2:799566

QC 20150331

Available from: 2015-03-31 Created: 2015-03-20 Last updated: 2015-03-31Bibliographically approved

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