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Journal
2012 | 10 | 1 | 102-108
Article title

High-order connected moments expansion for the Rabi Hamiltonian

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EN
Abstracts
EN
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.
Publisher

Journal
Year
Volume
10
Issue
1
Pages
102-108
Physical description
Dates
published
1 - 2 - 2012
online
3 - 12 - 2011
Contributors
author
  • Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima, México, paolo.amore@gmail.com
  • INIFTA (UNLP, CCT La Plata-CONICET), División Química Teórica, Blvd. 113 y 64 (S/N), Sucursal 4, Casilla de Correo 16, 1900, La Plata, Argentina
  • Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima, México
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11534-011-0101-9
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