High-order connected moments expansion for the Rabi Hamiltonian

• Autorzy: Paolo Amore , Francisco Fernandez , Martin Rodriguez
• Języki publikacji: EN

Abstrakty

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.

Słowa kluczowe

EN

connected moment expansion; Rabi Hamiltonian

• Czasopismo: Open Physics
• Rocznik: 2012
• Tom: 10
• Numer: 1
• Strony: 102-108

Daty

wydano

2012-02-01

online

2011-12-03

Twórcy

autor

Paolo Amore

• Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima, México,

autor

Francisco Fernandez

• 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

autor

Martin Rodriguez

• Facultad de Ciencias, CUICBAS, Universidad de Colima, Bernal Díaz del Castillo 340, Colima, Colima, México

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Identyfikatory

DOI

10.2478/s11534-011-0101-9