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Keldysh formalism

Condensed matter physics

States of matter
Solid · Liquid · Gas · Bose-Einstein condensate · Fermionic condensate· Fermi gas · Fermi liquid · Supersolid · Superfluid · Luttinger liquid

Phase phenomena
Order parameter · Phase transition

Electronic phases
Insulator · Mott insulator · Semiconductor · Semimetal · Conductor · Superconductor · Thermoelectric · Piezoelectric · Ferroelectric

Electronic phenomena
Quantum Hall effect · Spin Hall effect · Kondo effect

Magnetic phases
Diamagnet · Superdiamagnet Paramagnet · Superparamagnet Ferromagnet · Antiferromagnet Ferrimagnet · Metamagnet Spin glass

Quasiparticles
Phonon · Exciton · Plasmon Polariton · Polaron · Magnon

Soft matter
Amorphous solid · Granular matter · Liquid crystal · Polymer

Scientists
Fermi · others

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In condensed matter physics, the Keldysh formalism describes the evolution of quantum mechanical states in the presence of a time varying magnetic field. It is related to the non-equilibrum Green's function.

References [1] to [4] give the usage of Keldysh formalism in the Rashba model and related models.

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References

S. Y. Liu, X. L. Lei, http://arxiv.org/pdf/cond-mat/0411629.
S. Y. Liu, X. L. Lei, http://arxiv.org/pdf/cond-mat/0502392.
N. Sugimoto, S. Onoda, S. Murakami and N. Nagaosa, http://arxiv.org/pdf/cond-mat/0503475.
Shuichi Murakami，http://arxiv.org/pdf/cond-mat/0504353.
E. M. Hankiewicz, Jian Li, Tomas Jungwirth, Qian Niu, Shun-Qing Shen, and Jairo Sinova, "Charge Hall effect driven by spin-dependent chemical potential gradients and Onsager relations in mesoscopic systems" arXiv:cond-mat/0505597.
Introduction to the Keldysh Formalism
Introduction to the Keldysh Formalism and Applications to Time-Dependent Density-Functional theory

Category: Condensed matter physics