Convergence behavior of variational perturbation expansion - A method for locating Bender-Wu singularities

Physics Letters A

Volumn 206, Issue 5-6, 1995, Pages 283-289

  Kleinert, H ^a   Janke, W ^b  

^a FREIE UNIVERSITÄT BERLIN   (Germany)

^b JOHANNES GUTENBERG UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001063394     PISSN: 03759601     EISSN: None     Source Type: Journal    
DOI: 10.1016/0375-9601(95)00521-4     Document Type: Article

References (36)

1. Quantum corrections to the thermodynamics of nonlinear chains at all temperatures by variational approach
2. Summation of divergent series by order dependent mappings: Application to the anharmonic oscillator and critical exponents in field theory
3. Gaussian effective potential: Quantum mechanics
4. Nonstandard expansion techniques for the effective potential in λφ4 quantum field theory
5. Nonstandard expansion techniques for the finite-temperature effective potential in λφ4 quantum field theory
6. Instability of autonomous λ3+14
7. Perturbative improvement of the Gaussian effective potential
8. Second-order corrections to the Gaussian effective potential of λφ4 theory