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• "Dissipative tunneling with periodic polychromatic driving: Exact results and tractable approximations", Grifoni, Hartmann, Hänggi, 1997

  Publication

  We investigate the long-time dynamics in dissipative two-level-systems (TLS) when driven by — monochromatic or pulse-shaped — periodic fields. The...

  Publication on epub.uni-regensburg.de: "Dissipative tunneling with periodic polychromatic driving: Exact results and tractable approximations" (external link, opens in a new window)

• "Dissipative tunneling control by elliptically polarized fields", Hartmann, Grifoni, Hänggi, 1998

  Publication

  The tunneling dynamics of a dissipative two-level system that is strongly driven by elliptically polarized electric fields is investigated. The...

  Publication on epub.uni-regensburg.de: "Dissipative tunneling control by elliptically polarized fields" (external link, opens in a new window)

• "Coherences and populations in the driven damped two-state system", Grifoni, Winterstetter, Weiss, 1997

  Publication

  The dynamics of the density matrix of the two-state system under the influence of time-dependent deterministic and fluctuating forces is investigated....

  Publication on epub.uni-regensburg.de: "Coherences and populations in the driven damped two-state system" (external link, opens in a new window)

• "Nonlinear quantum stochastic resonance", Grifoni, Hänggi, 1996

  Publication

  We investigate quantum stochastic resonance (QSR) in the periodically driven spin-boson system with Ohmic dissipation. For the special case α=1/2 of...

  Publication on epub.uni-regensburg.de: "Nonlinear quantum stochastic resonance" (external link, opens in a new window)

• "Dynamics of the dissipative two-state system under ac modulation of bias and coupling energy", Grifoni, 1996

  Publication

  We consider a driven dissipative two-state system subject to periodic modulation of both of its two parameters. The exact master equation that governs...

  Publication on epub.uni-regensburg.de: "Dynamics of the dissipative two-state system under ac modulation of bias and coupling energy" (external link, opens in a new window)

• "Dissipative transport in dc-ac–driven tight-binding lattices", Hartmann, Grifoni, Hänggi, 1997

  Publication

  We investigate the incoherent dissipative quantum transport of a particle in a periodic lattice being driven nonlinearly by dc-ac fields. The particle...

  Publication on epub.uni-regensburg.de: "Dissipative transport in dc-ac–driven tight-binding lattices" (external link, opens in a new window)

• "Nonadiabatic Quantum Brownian Rectifiers", Goychuk, Grifoni, Hänggi, 1998

  Publication

  We study both dissipative and nondissipative quantum transport in discrete Brownian rectifiers being driven by nonthermal noise that is unbiased on...

  Publication on epub.uni-regensburg.de: "Nonadiabatic Quantum Brownian Rectifiers" (external link, opens in a new window)

• "Comment on “Transient dynamics of Ohmic dissipative two-level systems driven by dc-ac fields” by Wang and Zhao", Grifoni, Hartmann, Hänggi, 1997

  Publication

  Recent results on the dynamics of a two-state system driven by dc-ac fields are discussed. We show that the approximation put forward in the work by...

  Publication on epub.uni-regensburg.de: "Comment on “Transient dynamics of Ohmic dissipative two-level systems driven by dc-ac fields” by Wang and Zhao" (external link, opens in a new window)

• "Quantum Ratchets", Reimann, Grifoni, Hänggi, 1997

  Publication

  We investigate quantum Brownian motion in adiabatically rocked ratchet systems. Above a crossover temperature Tc tunneling events are rare, yet they...

  Publication on epub.uni-regensburg.de: "Quantum Ratchets" (external link, opens in a new window)

• "Strong Coupling Theory for Tunneling and Vibrational Relaxation in Driven Bistable Systems", Thorwart, Grifoni, Hänggi, 2001

  Publication

  A study of the dynamics of a tunneling particle in a driven bistable potential which is moderately to strongly coupled to a bath is presented. Upon...

  Publication on epub.uni-regensburg.de: "Strong Coupling Theory for Tunneling and Vibrational Relaxation in Driven Bistable Systems" (external link, opens in a new window)