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Results for «quasiparticle»:

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Quantum Magnetism and Spin-Fermion Models 100%

The calculations of the quasiparticle excitation spectra with damping for these models has been performed in the framework of the equation- of-motion method for two-time temperature Green’s Functions within a non-perturbative approach.


24/10/2013 www.pdf-archive.com

kortelainen 93%

621, 165 (2016) )( ) ( ) Un Un = En  Vn −h + λ V n • By solving this equation, we obtain the quasiparticle energies En and the matrices U and V which determine the generalized Bogoliubov quasiparticle transformation:


11/10/2017 www.pdf-archive.com

Statistical Mechanics and Many-B0dy Models 80%

Quantum cooperative effects and quasiparticle dynamics in the basic microscopic models of quantum theory of magnetism:


24/10/2013 www.pdf-archive.com

Magnetic Polaron 55%

Quite generally, a self-consistent theory of a magnetic polaron is formulated within a nonperturbative many-body approach, the Irreducible Green Functions (IGF) method which is used to describe the quasiparticle many-body dynamics at finite temperatures.


24/10/2013 www.pdf-archive.com