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Physical Review C

Many-body Green's function of composed systems

G.G. Dussel, Roberto J. Liotta

Published Aug 1, 1984• 1 citation
Publisher

Abstract

Green's function techniques are used to express the solution of a many-body system in terms of the solutions of any two of its subsystems.Received 4 January 1984DOI:https://doi.org/10.1103/PhysRevC.30.729©1984 American Physical Society

DOI
10.1103/physrevc.30.729

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Green's function techniques are used to express the solution of a many-body system in terms of the solutions of any two of its subsystems.Received 4 January 1984DOI:https://doi.org/10.1103/PhysRevC.30.729©1984 American Physical Society
The Green's function method is among the most powerful and versatile formalisms in physics, and its nonequilibrium version has proved invaluable in many research fields. With entirely new chapters and updated example problems, the second edition of this popular text continues to provide an ideal introduction to nonequilibrium many-body quantum systems and ultrafast phenomena in modern science. Retaining the unique and self-contained style of the original, this new edition has been thoroughly revised to address interacting systems of fermions and bosons, simplified many-body approaches like the GKBA, the Bloch equations and the Boltzmann equations and the connection between Green's functions and newly developed time-resolved spectroscopy techniques. Small gaps in the theory have been filled, and frequently overlooked subtleties have been systematically highlighted and clarified. With an abundance of illustrative examples, insightful discussions and modern applications, this book remains the definitive guide for students and researchers alike.