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Abstract:

A complete system of states, closely related to the coherent states, and which incorporates the necessary algebra of fermion states, is used to derive an expression for the corresponding propagator via functional integrals. The calculation, based on a product expansion of the evolution operator, leads to an exact Feynman propagator from which the expectation value of the density matrix is obtained. © 1990.

Registro:

Documento: Artículo
Título:Density matrix of fermionic systems from coherent states via functional integrals
Autor:Grinberg, H.; Marañon, J.
Filiación:Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, (1428) Buenos AiresArgentina
Departamento de Fisica, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, (1900) La PlataArgentina
Año:1990
Volumen:210
Número:C
Página de inicio:39
Página de fin:44
DOI: http://dx.doi.org/10.1016/0166-1280(90)80022-G
Título revista:Journal of Molecular Structure: THEOCHEM
Título revista abreviado:J. Mol. Struct. THEOCHEM
ISSN:01661280
CODEN:THEOD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01661280_v210_nC_p39_Grinberg

Referencias:

  • Kepp, The classical limit for quantum mechanical correlation functions (1974) Communications in Mathematical Physics, 35, p. 265. , and references therein
  • Home, Sengupta, Classical limit of quantum mechanics (1983) American Journal of Physics, 51, p. 265. , and references therein
  • Feynman, Hibbs, (1965) Quantum Mechanics and Path Integrals, , McGraw-Hill, New York
  • Chandler, Wolynes, (1981) J. Chem. Phys., 74, p. 4078
  • Skimer, Moskowitz, Lee, Whillock, Schmidt, The solution of the Schrödinger equation in imaginary time by Green’s function Monte Carlo. The rigorous sampling of the attractive Coulomb singularity (1985) The Journal of Chemical Physics, 83, p. 4668
  • Grinberg, Marañón, (1983) Phys. Lett., 94 A, p. 275
  • Marañón, Grinberg, Feynman path integral and the Hückel model (1984) The Journal of Chemical Physics, 81, p. 4537
  • Marañón, Pousa, Path integral, collective coordinates, and molecular-orbital theory (1987) Physical Review A, 36, p. 5530
  • Marañón, Path integral formulation of Roothaan's equations (1988) International Journal of Quantum Chemistry, 33, p. 491
  • H. Grinberg and J. Marañón, Adv. Quantum Chem., in press; Papadopoulos, (1978) Path Integrals and Their Applications in Quantum Statistical, and Solid State Physics, p. 85. , G.J. Papadopoulos, J.T. Devreese, Plenum, New York
  • Matthews, Salam, (1955) Nuovo Ci., 2, p. 120

Citas:

---------- APA ----------
Grinberg, H. & Marañon, J. (1990) . Density matrix of fermionic systems from coherent states via functional integrals. Journal of Molecular Structure: THEOCHEM, 210(C), 39-44.
http://dx.doi.org/10.1016/0166-1280(90)80022-G
---------- CHICAGO ----------
Grinberg, H., Marañon, J. "Density matrix of fermionic systems from coherent states via functional integrals" . Journal of Molecular Structure: THEOCHEM 210, no. C (1990) : 39-44.
http://dx.doi.org/10.1016/0166-1280(90)80022-G
---------- MLA ----------
Grinberg, H., Marañon, J. "Density matrix of fermionic systems from coherent states via functional integrals" . Journal of Molecular Structure: THEOCHEM, vol. 210, no. C, 1990, pp. 39-44.
http://dx.doi.org/10.1016/0166-1280(90)80022-G
---------- VANCOUVER ----------
Grinberg, H., Marañon, J. Density matrix of fermionic systems from coherent states via functional integrals. J. Mol. Struct. THEOCHEM. 1990;210(C):39-44.
http://dx.doi.org/10.1016/0166-1280(90)80022-G