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7 papers · 1 filter
Heavy Quasiparticles in the Anderson Lattice Model
K. Tsutsui, Y. Ohta, R. Eder +3
An exact-diagonalization technique on small clusters is used to study the dynamics of the one-dimensional symmetric Anderson lattice model. Our calculated excitation spectra reprod…
Bosonization of Thirring Model in Arbitrary Dimension
Kenji Ikegami, Kei-ichi Kondo, Atsushi Nakamura
We propose to use a novel master Lagrangian for performing the bosonization of the -dimensional massive Thirring model in dimensions. It is shown that our master L…
First and Second Order Phase Transitions in Maxwell--Chern-Simons Theory Coupled to Fermions
Kei-Ichi Kondo
In the Maxwell--Chern-Simons theory coupled to flavors of 4-component fermions (or even number of 2-component fermions) we construct the gauge-covariant effective potential w…
Inverse photoemission in strongly correlated electron systems
R. Eder, Y. Ohta
Based on exact results for small clusters of 2D t-J model we demonstrate the existence of several distinct `channels' in its inverse photoemission (IPES) spectrum. Hole-like quasip…
Bosonization and Duality of Massive Thirring Model
Kei-Ichi Kondo
Starting from a reformulation of the Thirring model as a gauge theory, we consider the bosonization of the -dimensional multiflavor massive Thirring model with four-…
Thirring Model as a Gauge Theory
Kei-Ichi Kondo
We give another reformulation of the Thirring model (with four-fermion interaction of the current-current type) as a gauge theory and identify it with a gauge-fixed version of the…