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- W1928943044 abstract "In this paper we present a method for deriving effective one-dimensional models based on the matrix product state formalism. It exploits translational invariance to work directly in the thermodynamic limit. We show, how a representation of the creation operator of single quasi-particles in both real and momentum space can be extracted from the dispersion calculation. The method is tested for the analytically solvable Ising model in a transverse magnetic field. Properties of the matrix product representation of the creation operator are discussed and validated by calculating the one-particle contribution to the spectral weight. Results are also given for the ground state energy and the dispersion." @default.
- W1928943044 created "2016-06-24" @default.
- W1928943044 creator A5000733978 @default.
- W1928943044 creator A5035653147 @default.
- W1928943044 date "2015-06-01" @default.
- W1928943044 modified "2023-10-18" @default.
- W1928943044 title "Effective one-dimensional models from matrix product states" @default.
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- W1928943044 doi "https://doi.org/10.1140/epjb/e2015-60188-0" @default.
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