Scientific Results

Quantum Breathing of an Impurity in a One-Dimensional Bath of Interacting Bosons

Year: 2013

Authors: Peotta S., Rossini D., Polini M., Minardi F., Fazio R.

Autors Affiliation: NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, I-56126 Pisa, Italy;
NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56126 Pisa, Italy;
LENS-European Laboratory for Non-Linear Spectroscopy and Dipartimento di Fisica, Universita` di Firenze, via N. Carrara 1, IT-50019 Sesto Fiorentino-Firenze, Italy;
CNR-INO, via G. Sansone 1, IT-50019 Sesto Fiorentino-Firenze, Italy

Abstract: By means of the time-dependent density-matrix renormalization-group (TDMRG) method we are able to follow the real-time dynamics of a single impurity embedded in a one-dimensional bath of interacting bosons. We focus on the impurity breathing mode, which is found to be well described by a single oscillation frequency and a damping rate. If the impurity is very weakly coupled to the bath, a Luttinger-liquid description is valid and the impurity suffers an Abraham-Lorentz radiation-reaction friction. For a large portion of the explored parameter space, the TDMRG results fall well beyond the Luttinger-liquid paradigm.


Volume: 110 (1)      Pages from: 015302  to: 015302

More Information: We acknowledge financial support by the EU FP7 Grant No. 248629-SOLID.
KeyWords: Breathing modes; Damping rate; Interacting bosons; Luttinger liquids; Oscillation frequency; Parameter spaces; Real-time dynamics; Time-dependent density-matrix, Atomic physics; Physics, Liquids
DOI: 10.1103/PhysRevLett.110.015302

Citations: 30
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2022-01-16
References taken from IsiWeb of Knowledge: (subscribers only)
Connecting to view paper tab on IsiWeb: Click here
Connecting to view citations from IsiWeb: Click here

This site uses cookies. If you decide to continue browsing we consider that you accept their use. For more information about cookies and how to delete them please read our Info Policy on cookies use.
Read more