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Environment-governed dynamics in driven quantum systems
S. Gasparinetti, P. Solinas, S. Pugnetti +2
We show that the dynamics of a driven quantum system weakly coupled to the environment can exhibit two distinct regimes. While the relaxation basis is usually determined by the sys…
Minimal Self-Contained Quantum Refrigeration Machine Based on Four Quantum Dots
Davide Venturelli, Rosario Fazio, Vittorio Giovannetti
We present a theoretical study of an electronic quantum refrigerator based on four quantum dots arranged in a square configuration, in contact with as many thermal reservoirs. We s…
Photoemission spectra of massless Dirac fermions on the verge of exciton condensation
Stefan Rist, A. A. Varlamov, A. H. MacDonald +2
Angle-resolved photoemission spectroscopy (ARPES) is a powerful probe of electron correlations in two-dimensional layered materials. In this Letter we demonstrate that ARPES can be…
Quantum Breathing of an Impurity in a One-dimensional Bath of Interacting Bosons
Sebastiano Peotta, Davide Rossini, Marco Polini +2
By means of time-dependent density-matrix renormalization-group (TDMRG) we are able to follow the real-time dynamics of a single impurity embedded in a one-dimensional bath of inte…
Phase diagram of the extended Bose Hubbard model
Davide Rossini, Rosario Fazio
By means of the Density Matrix Renormalization Group technique, we accurately determine the zero-temperature phase diagram of the one-dimensional extended Bose Hubbard model with o…
Matrix Product State representation for Slater Determinants and Configuration Interaction States
Pietro Silvi, Davide Rossini, Rosario Fazio +2
Slater determinants are product states of filled quantum fermionic orbitals. When they are expressed in a configuration space basis chosen a priori, their entanglement is bound and…