Ground states of linear rotor chains via the density matrix renormalization group

dc.contributor.authorIouchtchenko, Dmitri
dc.contributor.authorRoy, Pierre-Nicholas
dc.date.accessioned2018-05-29T18:19:47Z
dc.date.available2018-05-29T18:19:47Z
dc.date.issued2018-04-04
dc.descriptionThis article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Iouchtchenko, D., & Roy, P.-N. (2018). Ground states of linear rotor chains via the density matrix renormalization group. Journal of Chemical Physics, 148(13), 134115 and may be found at https://doi.org/10.1063/1.5024403en
dc.description.abstractIn recent years, experimental techniques have enabled the creation of ultracold optical lattices of molecules and endofullerene peapod nanomolecular assemblies. It was previously suggested that the rotor model resulting from the placement of dipolar linear rotors in one-dimensional lattices at low temperature has a transition between ordered and disordered phases. We use the density matrix renormalization group (DMRG) to compute ground states of chains of up to 100 rotors and provide further evidence of the phase transition in the form of a diverging entanglement entropy. We also propose two methods and present some first steps toward rotational spectra of such molecular assemblies using DMRG. The present work showcases the power of DMRG in this new context of interacting molecular rotors and opens the door to the study of fundamental questions regarding criticality in systems with continuous degrees of freedom.en
dc.description.sponsorshipNatural Sciences and Engineering Research Council Ontario Ministry of Research and Innovation Canada Research Chair program Canada Foundation for Innovation Canada First Research Excellence Funden
dc.identifier.issn1089-7690
dc.identifier.issnhttps://doi.org/10.1063/1.5024403
dc.identifier.urihttp://hdl.handle.net/10012/13362
dc.language.isoenen
dc.publisherAmerican Institute of Physicsen
dc.subjectInorganic compoundsen
dc.subjectFullerenesen
dc.subjectQuantum computingen
dc.subjectZero point energyen
dc.subjectQuantum entanglementen
dc.titleGround states of linear rotor chains via the density matrix renormalization groupen
dc.typeArticleen
dcterms.bibliographicCitationIouchtchenko, D., & Roy, P.-N. (2018). Ground states of linear rotor chains via the density matrix renormalization group. The Journal of Chemical Physics, 148(13), 134115. https://doi.org/10.1063/1.5024403en
uws.contributor.affiliation1Faculty of Scienceen
uws.contributor.affiliation2Chemistryen
uws.peerReviewStatusRevieweden
uws.scholarLevelFacultyen
uws.scholarLevelGraduateen
uws.typeOfResourceTexten

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