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On the particle entanglement spectrum of the Laughlin states
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2015 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 48, no 28, 285205Article in journal (Refereed) Published
Abstract [en]

The study of the entanglement entropy and entanglement spectrum has proven to be very fruitful in identifying topological phases of matter. Typically, one performs numerical studies of finite-size systems. However, there are few rigorous results in this regard. We revisit the problem of determining the rank of the 'particle entanglement spectrum' (PES) of the Laughlin states. We reformulate the problem into a problem concerning the ideal of symmetric polynomials that vanish under the formation of several clusters of particles. We introduce an explicit generating set of this ideal, and we prove that polynomials in this ideal have a total degree that is bounded from below. We discuss the difficulty in proving the same bound on the degree of any of the variables, which is necessary to determine the rank of the PES.

Place, publisher, year, edition, pages
2015. Vol. 48, no 28, 285205
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-171259DOI: 10.1088/1751-8113/48/28/285205ISI: 000357281400009ScopusID: 2-s2.0-84937111609OAI: diva2:843332

QC 20150728

Available from: 2015-07-28 Created: 2015-07-27 Last updated: 2015-07-28Bibliographically approved

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Garjani, B. Majidzadeh
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