Data di Pubblicazione:
2023
Citazione:
Thermal cycle and polaron formation in structured bosonic environments / A. Riva, D. Tamascelli, A.J. Dunnett, A.W. Chin. - In: PHYSICAL REVIEW. B. - ISSN 2469-9950. - 108:19(2023 Nov 20), pp. 195138.1-195138.16. [10.1103/PhysRevB.108.195138]
Abstract:
Chain-mapping techniques combined with the time-dependent density matrix renormalization group are powerful tools for simulating the dynamics of open quantum systems interacting with structured bosonic environments. Most interestingly, they leave the degrees of freedom of the environment open to inspection. In this work, we fully exploit the access to environmental observables to illustrate how the evolution of the open quantum system can be related to the detailed evolution of the environment it interacts with. In particular, we give a precise description of the fundamental physics that enables the finite temperature chain-mapping formalism to express dynamical equilibrium states. Furthermore, we analyze a two-level system strongly interacting with a super-Ohmic environment, where we discover a change in the spin-boson ground state that can be traced to the formation of polaronic states.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
A. Riva, D. Tamascelli, A.J. Dunnett, A.W. Chin
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