Functional renormalization group approach to correlated fermion systems
Numerous correlated electron systems exhibit a strongly scale-dependent behavior. Upon
lowering the energy scale, collective phenomena, bound states, and new effective degrees …
lowering the energy scale, collective phenomena, bound states, and new effective degrees …
Efficient MPS algorithm for periodic boundary conditions and applications
M Weyrauch, MV Rakov - ar**: Comparison between exact diagonalization method and mean-field approach
M Saha, SK Maiti - Physica E: Low-dimensional Systems and …, 2016 - Elsevier
The interplay between Hubbard interaction, long-range hop** and disorder on persistent
current in a mesoscopic one-dimensional conducting ring threaded by a magnetic flux ϕ is …
current in a mesoscopic one-dimensional conducting ring threaded by a magnetic flux ϕ is …
Adiabatic Tracking of a State: A new route to nonequilibrium physics
M Moliner, P Schmitteckert - Physical Review Letters, 2013 - APS
We present a novel numerical approach to track the response of a quantum system to an
external perturbation that is progressively switched on. The method is applied, within the …
external perturbation that is progressively switched on. The method is applied, within the …
Fractional statistics and quantum scaling properties of the integrable Penson-Kolb-Hubbard chain
C Vitoriano, MD Coutinho-Filho - Physical Review B—Condensed Matter and …, 2010 - APS
We investigate the ground-state and low-temperature properties of the integrable version of
the Penson-Kolb-Hubbard chain. The model obeys fractional statistical properties, which …
the Penson-Kolb-Hubbard chain. The model obeys fractional statistical properties, which …
[HTML][HTML] Metal–insulator transition in an one-dimensional half-filled interacting mesoscopic ring with spinless fermions: Exact results
M Saha, SK Maiti - Physics Letters A, 2016 - Elsevier
We calculate persistent current of one-dimensional rings of fermions neglecting the spin
degrees of freedom considering only nearest-neighbor Coulomb interactions with different …
degrees of freedom considering only nearest-neighbor Coulomb interactions with different …