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Abstract. We present a study of the one-particle spectral properties for a variety of models of Luttinger liquids with open boundaries. We first consider the Tomonaga-Luttinger model usingâ€¦ (More)

- D. M. Kennes, Oleksiy Kashuba, Mikhail Pletyukhov, Herbert Schoeller, Volker Meden
- Physical review letters
- 2013

The nonequilibrium dynamics of a small quantum system coupled to a dissipative environment is studied. We show that (i) the oscillatory dynamics close to a coherent-to-incoherent transition isâ€¦ (More)

- Severin G Jakobs, Volker Meden, Herbert Schoeller
- Physical review letters
- 2007

We propose a nonequilibrium version of functional renormalization within the Keldysh formalism by introducing a complex-valued flow parameter in the Fermi or Bose functions of each reservoir. Ourâ€¦ (More)

- K Grove-Rasmussen, Sarah Grap, +6 authors Toshimasa Fujisawa
- Physical review letters
- 2012

By means of sequential and cotunneling spectroscopy, we study the tunnel couplings between metallic leads and individual levels in a carbon nanotube quantum dot. The levels are ordered in shellsâ€¦ (More)

- C. Karrasch, T. Hecht, Andreas Weichselbaum, Yuval Oreg, Jan von Delft, Volker Meden
- Physical review letters
- 2007

Transmission phase alpha measurements of many-electron quantum dots (small mean level spacing delta) revealed universal phase lapses by pi between consecutive resonances. In contrast, for dots withâ€¦ (More)

- Stefan Becker, C. Karrasch, +4 authors Markus Morgenstern
- Physical review letters
- 2011

Using low-temperature scanning tunneling spectroscopy applied to the Cs-induced two-dimensional electron system (2DES) on p-type InSb(110), we probe electron-electron interaction effects in theâ€¦ (More)

We investigate the appearance of Ï€ lapses in the transmission phase Î¸ of a two-level quantum dot with Coulomb interaction U . Using the numerical and functional renormalization group methods we studyâ€¦ (More)

S. Grap,1 S. Andergassen,1 J. Paaske,2 and V. Meden1 1Institut fÃ¼r Theorie der Statistischen Physik, RWTH Aachen, D-52056 Aachen, Germany and JÃ¼lich Aachen Research Alliance -Fundamentals of Futureâ€¦ (More)

- David J. Luitz, Fakher F. Assaad, TomÃ¡Å¡ NovotnÃ½, C. Karrasch, Volker Meden
- Physical review letters
- 2012

We study the Josephson current 0-Ï€ transition of a quantum dot tuned to the Kondo regime. The physics can be quantitatively captured by the numerically exact continuous time quantum MonteÂ Carloâ€¦ (More)

- Xavier BarnabÃ©-ThÃ©riault, Abdel Sedeki, Volker Meden, Kurt SchÃ¶nhammer
- Physical review letters
- 2005

We investigate the transport of correlated fermions through a junction of three one-dimensional quantum wires pierced by a magnetic flux. We determine the flow of the conductance as a function of aâ€¦ (More)