High-order connected moments expansion for the Rabi Hamiltonian

We analyze the convergence properties of the connected moments expansion (CMX) for the Rabi Hamiltonian. To this end we calculate the moments and connected moments of the Hamiltonian operator to a sufficiently large order. Our large-order results suggest that the CMX is not reliable for most practic...

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Detalles Bibliográficos
Autores principales: Amore, Paolo, Fernández, Francisco Marcelo, Rodriguez, Martin
Formato: Articulo
Lenguaje:Inglés
Publicado: 2012
Materias:
Física
connected moment expansion
Rabi Hamiltonian
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/84265
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-84265
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
connected moment expansion
Rabi Hamiltonian
spellingShingle Física
connected moment expansion
Rabi Hamiltonian
Amore, Paolo
Fernández, Francisco Marcelo
Rodriguez, Martin
High-order connected moments expansion for the Rabi Hamiltonian
topic_facet Física
connected moment expansion
Rabi Hamiltonian
description We analyze the convergence properties of the connected moments expansion (CMX) for the Rabi Hamiltonian. To this end we calculate the moments and connected moments of the Hamiltonian operator to a sufficiently large order. Our large-order results suggest that the CMX is not reliable for most practical purposes because the expansion exhibits considerable oscillations.
format Articulo
Articulo
author Amore, Paolo
Fernández, Francisco Marcelo
Rodriguez, Martin
author_facet Amore, Paolo
Fernández, Francisco Marcelo
Rodriguez, Martin
author_sort Amore, Paolo
title High-order connected moments expansion for the Rabi Hamiltonian
title_short High-order connected moments expansion for the Rabi Hamiltonian
title_full High-order connected moments expansion for the Rabi Hamiltonian
title_fullStr High-order connected moments expansion for the Rabi Hamiltonian
title_full_unstemmed High-order connected moments expansion for the Rabi Hamiltonian
title_sort high-order connected moments expansion for the rabi hamiltonian
publishDate 2012
url http://sedici.unlp.edu.ar/handle/10915/84265
work_keys_str_mv AT amorepaolo highorderconnectedmomentsexpansionfortherabihamiltonian
AT fernandezfranciscomarcelo highorderconnectedmomentsexpansionfortherabihamiltonian
AT rodriguezmartin highorderconnectedmomentsexpansionfortherabihamiltonian
bdutipo_str Repositorios
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