ICTS:30561

Video URL

Dissipation induced by local non-Markovian baths

Dissipation induced by local non-Markovian baths

(2024). Dissipation induced by local non-Markovian baths. SciVideos. https://youtu.be/pKqywFoOimM

Dissipation induced by local non-Markovian baths. SciVideos, Dec. 18, 2024, https://youtu.be/pKqywFoOimM 

          @misc{ scivideos_ICTS:30561,
            doi = {},
            url = {https://youtu.be/pKqywFoOimM},
            author = {},
            keywords = {},
            language = {en},
            title = {Dissipation induced by local non-Markovian baths},
            publisher = {},
            year = {2024},
            month = {dec},
            note = {ICTS:30561 see, \url{https://scivideos.org/index.php/icts-tifr/30561}}
          }
Laura Foini
Talk numberICTS:30561
Source RepositoryICTS-TIFR
Collection

Abstract

We study a quantum spin chain where the dissipation is induced by the coupling of the density to local baths à la Caldeira and Leggett. In our perspective the bath acts as an annealed disorder with slow dynamics and can induce ordering in the system. At sufficiently strong coupling and zero temperature, it leads in fact to a phase transition between a Luttinger liquid phase and a spin density wave. The nature of the dissipative phase depends on the properties of both the system and the bath and in the incommensurate case it occurs in absence of the opening of a gap but it is due to fractional excitations. We also show, by computing the DC conductivity, that the system is insulating in the presence of a subohmic bath. We interpret this phenomenon as localization induced by the bath.