Nonequilibrium processes in many-body quantum systems


Study of fundamental aspects of quantum dynamics and quantum transport in many-body systems

  • Dissipation, interference, decoherence
  • Localization, correlation
  • Fluctuations, multistability
  • Quantum phase transitions, nonlinear quantum environments
  • Transient dynamics and relaxation to steady state, thermalization
  • Nonadiabatic effects

Selected Publications:

A. Erpenbeck, R. Härtle, M. Thoss 
Effect of nonadiabatic electronic-vibrational interactions on the transport properties of single-molecule junctions
Phys. Rev. B 91, 195418 (2015) doi: 10.1103/PhysRevB.91.195418 

C. Schinabeck, R. Härtle, H. B. Weber, and M. Thoss 
Current noise in single-molecule junctions induced by electronic-vibrational coupling
Phys. Rev. B 90, 075409 (2014) doi: 10.1103/PhysRevB.90.075409 

Eli Y. Wilner, Haobin Wang, Michael Thoss, and Eran Rabani 
Phonon dynamics in correlated quantum systems driven away from equilibrium 
Phys. Rev. B 90, 115145 (2014) doi: 10.1103/PhysRevB.90.115145 

Eli Y. Wilner, Haobin Wang, Michael Thoss and Eran Rabani 
Nonequilibrium quantum systems with electron-phonon interactions: Transient dynamics and approach to steady state 
Phys. Rev. B 89, 205129 (2014) doi: 10.1103/PhysRevB.89.205129 

R. Härtle, U. Peskin and M. Thoss, 
Vibrationally coupled electron transport in single-molecule junctions: The importance of electron–hole pair creation processes, 
Phys. Status Solidi B 250, 2365 (2013) doi: 10.1002/pssb.201349165 

Eli Y. Wilner, Haobin Wang, Guy Cohen, Michael Thoss, and Eran Rabani 
Bistability in a nonequilibrium quantum system with electron-phonon interactions 
Phys. Rev. B 88, 045137 (2013) doi: 10.1103/PhysRevB.88.045137 

R. Härtle, M. Butzin, and M. Thoss
Vibrationally induced decoherence in single-molecule junctions 
Phys. Rev. B 87, 085422 (2013) doi: 10.1103/PhysRevB.87.085422 

K.A. Velizhanin, M. Thoss and H. Wang 
Meir-Wingreen formula for heat transport in a spin-boson nanojunction model 
J. Chem. Phys. 133, 084503 (2010) doi:10.1063/1.3483127

R. Härtle, R. Volkovich, M. Thoss and U. Peskin 
Communication: Mode-selective vibrational excitation induced by nonequilibrium transport processes in single-molecule junctions 
J. Chem. Phys. 133, 081102 (2010) doi:10.1063/1.3474464

Klaus Ferdinand Albrecht, Haobin Wang, Lothar Mühlbacher, Michael Thoss and Andreas Komnik 
Bistability signatures in nonequilibrium charge transport through molecular quantum dots 
Phys. Rev. B 86 , 081412(R) (2012) doi: 10.1103/PhysRevB.86.081412

Stefan Ballmann, Rainer Härtle, Pedro B. Coto, Mark Elbing, Marcel Mayor, Martin R. Bryce, Michael Thoss and Heiko B. Weber 
Experimental Evidence for Quantum Interference and Vibrationally Induced Decoherence in Single-Molecule Junctions
Phys. Rev. Lett. 109 , 056801 (2012) doi: 10.1103/PhysRevLett.109.056801 
see also the corresponding Viewpoint in Physics

R. Härtle, M. Butzin, O. Rubio-Pons and M. Thoss 
Quantum Interference and Decoherence in Single-Molecule Junctions: How Vibrations Induce Electrical Current 
Phys. Rev. Lett. 107, 046802 (2011) doi: 10.1103/PhysRevLett.107.046802

R. Härtle and M. Thoss 
Vibrational instabilities in resonant electron transport through single-molecule junctions 
Phys. Rev. B 83, 125419 (2011) doi: 10.1103/PhysRevB.83.125419

H. Wang and M. Thoss 
From coherent motion to localization: Dynamics of the spin-boson model at zero temperature 
New Journal of Physics 10, 115005 (2008)

I. Craig, M. Thoss, and H. Wang 
Proton transfer reactions in model condensed-phase environments: Accurate quantum dynamics using the multilayer multiconfiguration time-dependent Hartree approach 
J. Chem. Phys. 127, 133503 (2007).

H. Wang and M. Thoss
Quantum Dynamical Simulation of Electron-Transfer Reactions in an Anharmonic Environment 
J. Phys. Chem. A 111, 10369 (2007)