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The sine-Gordon model appears as the low-energy effective field theory of various one-dimensional gapped quantum systems. Here we investigate the dynamics of generic, non-integrable systems belonging to the sine-Gordon family at finite temperature within the semiclassical approach. Focusing on time scales where the effect of nontrivial quasiparticle scatterings becomes relevant, we obtain universal results for the long-time behavior of dynamical correlation functions. We find that correlation functions of vertex operators behave neither ballistically nor diffusively but follow a stretched exponential decay in time. We also study the full counting statistics of the topological current and find that distribution of the transferred charge is non-Gaussian with its cumulants scaling non-uniformly in time.
Prof. Márton Kormos got his PhD in 2008 at the Eötvös Loránd University, Budapest.
EMPLOYMENT AND EXPERIENCE
2018– associate professor at the Budapest University of Technology and Economics
2016–2019 “Prémium” Postdoctoral Fellow of the Hungarian Academy of Sciences Research fellow at the Budapest University of Technology and Economics
2013–2015 Marie Curie fellow at the Budapest University of Technology and Economics
2012–2013 Postdoctoral Researcher at the University of Pisa (supervisor: Pasquale Calabrese)
2010–2012 Welch Postdoctoral Research Associate at Rice University, Houston (supervisor: Adilet Imambekov)
2008–2010 Postdoctoral Research Fellow at SISSA, Trieste (supervisor: Giuseppe Mussardo)
2007–2008 Early Stage Research Fellow at King’s College, London (supervisor: Gerard Watts)
ZOOM Meeting link: https://cern.zoom.us/j/68277136055?pwd=bW5UY3VLUGpnUVJXc2c0NTBDL0RIQT09 Meeting ID: 682 7713 6055 Password: 518618