Optical manipulation of edge state transport in HgTe quantum wells in the quantum hall regime (2009)
Schmidt, M. J., Novik, E. G., Kindermann, M., Trauzettel, B.
We investigate an effective low energy theory of HgTe quantum wells near their mass inversion thickness in a perpendicular magnetic field. By comparison of the effective band structure with a more...
Koerting, V., Schmidt, T. L., Doiron, C. B., Trauzettel, B., Bruder, C.
We investigate a superconducting single-electron transistor capacitively coupled to a nanomechanical oscillator and focus on the double Josephson quasiparticle resonance. The existence of two...
Statistics of charge transfer through impurities in strongly correlated 1D metals (2007)
Komnik, A., Trauzettel, B., Weiss, U.
We review recent advances in the field of full counting statistics (FCS) of charge transfer through impurities imbedded into strongly correlated one-dimensional metallic systems, modelled by...
Andreev-like reflections with cold atoms (2007)
Daley, A. J., Zoller, P., Trauzettel, B.
We propose a setup in which Andreev-like reflections predicted for 1D transport systems could be observed time-dependently using cold atoms in a 1D optical lattice. Using time-dependent Density...
Theory of spin qubits in nanostructures (2007)
Trauzettel, B., Borhani, M., Trif, M., Loss, D.
We review recent advances on the theory of spin qubits in nanostructures. We focus on four selected topics. First, we show how to form spin qubits in the new and promising material graphene....
Measuring the Momentum of a Nanomechanical Oscillator through the Use of Two Tunnel Junctions (2007)
Doiron, C. B., Trauzettel, B., Bruder, C.
We propose a way to measure the momentum p of a nanomechanical oscillator. The p-detector is based on two tunnel junctions in a Aharonov-Bohm-type setup. One of the tunneling amplitudes depends on...
Aharonov-Bohm effect and broken valley-degeneracy in graphene rings (2007)
Recher, P., Trauzettel, B., Rycerz, A., Blanter, Ya. M., Beenakker, C. W. J., Morpurgo, A. F.
We analyze theoretically the electronic properties of Aharonov-Bohm rings made of graphene. We show that the combined effect of the ring confinement and applied magnetic flux offers a controllable...
Improved position measurement of nano electromechanical systems using cross correlations (2007)
Doiron, C. B., Trauzettel, B., Bruder, C.
We consider position measurements using the cross-correlated output of two tunnel junction position detectors. Using a fully quantum treatment, we calculate the equation of motion for the density...
Temperature dependence of Coulomb drag between finite-length quantum wires (2007)
Peguiron, J., Bruder, C., Trauzettel, B.
We evaluate the Coulomb drag current in two finite-length Tomonaga-Luttinger-liquid wires coupled by an electrostatic backscattering interaction. The drag current in one wire shows oscillations as a...
Aharonov-Bohm effect and broken valley degeneracy in graphene rings (2007)
Recher, P., Trauzettel, B., Rycerz, A., Blanter, Ya.M., Beenakker, C.W.J., Morpurgo, A.F.
Spin qubits in graphene quantum dots (2006)
Trauzettel, B., Bulaev, Denis V., Loss, Daniel, Burkard, Guido
We propose how to form spin qubits in graphene. A crucial requirement to achieve this goal is to find quantum dot states where the usual valley degeneracy in bulk graphene is lifted. We show that...
Effect of interactions on the noise of chiral Luttinger liquid systems (2006)
Trauzettel, B., Roche, P., Glattli, D. C., Saleur, H.
We analyze the current noise, generated at a quantum point contact in fractional quantum Hall edge state devices, using the chiral Luttinger liquid model with an impurity and the associated exact...
Negativity of the excess noise in a quantum wire capacitively coupled to a gate (2006)
Dolcini, F., Trauzettel, B., Safi, I., Grabert, H.
The electrical current noise of a quantum wire is expected to increase with increasing applied voltage. We show that this intuition can be wrong. Specifically, we consider a single channel quantum...
Photon-assisted electron transport in graphene (2006)
Trauzettel, B., Blanter, Ya. M., Morpurgo, A. F.
Photon-assisted electron transport in ballistic graphene is analyzed using scattering theory. We show that the presence of an ac signal (applied to a gate electrode in a region of the system) has...
Appearance of fractional charge in the noise of non-chiral Luttinger liquids (2006)
Trauzettel, B., Safi, I., Dolcini, F., Grabert, H.
The current noise of a voltage biased interacting quantum wire adiabatically connected to metallic leads is computed in presence of an impurity in the wire. We find that in the weak backscattering...
Quantum-limited shot noise in graphene (2006)
Tworzydlo, J., Trauzettel, B., Titov, M., Rycerz, A., Beenakker, C. W. J.
We calculate the mode-dependent transmission probability of massless Dirac fermions through an ideal strip of graphene (length L, width W, no impurities or defects), to obtain the conductance and...
Parity meter for charge qubits: an efficient quantum entangler (2006)
Trauzettel, B., Jordan, A. N., Beenakker, C. W. J., Buttiker, M.
We propose a realization of a charge parity meter based on two double quantum dots alongside a quantum point contact. Such a device is a specific example of the general class of mesoscopic quadratic...
Shot-noise detection in a carbon nanotube quantum dot (2006)
Onac, E., Balestro, F., Trauzettel, B., Lodewijk, C.F.J., Kouwenhoven, L.P.
Parity meter for charge qubits: An efficient quantum entangler (2006)
Trauzettel, B., Jordan, A.N., Beenakker, C.W.J., Buttiker, M.
Parity meter for charge qubits: An efficient quantum entangler (2006)
Trauzettel, B., Jordan, A.N., Beenakker, C.W.J., Büttiker, M.
Sub-Poissonian shot noise in graphene (2006)
Tworzydlo, J., Trauzettel, B., Titov, M., Rycerz, A., Beenakker, C.W.J.
Parity meter for charge qubits: An efficient quantum entangler (2006)
Trauzettel, B., Jordan, A.N., Beenakker, C.W.J., Büttiker, M.
Sub-Poissonian shot noise in graphene (2006)
Tworzydlo, J., Trauzettel, B., Titov, M., Rycerz, A., Beenakker, C.W.J.
Shot Noise Detection on a Carbon Nanotube Quantum Dot (2005)
Onac, E., Balestro, F., Trauzettel, B., Lodewijk, C. F. J., Kouwenhoven, L. P.
An on-chip detection scheme for high frequency signals is used to detect noise generated by a quantum dot formed in a single wall carbon nanotube. The noise detection is based on photon assisted...
Fractional charge in the noise of Luttinger liquid systems (2005)
Trauzettel, B., Safi, I., Dolcini, F., Grabert, H.
The current noise of a voltage biased interacting quantum wire adiabatically connected to metallic leads is computed in presence of an impurity in the wire. We find that in the weak backscattering...
Transfer of entanglement from electrons to photons by optical selection rules (2005)
Titov, M., Trauzettel, B., Michaelis, B., Beenakker, C. W. J.
The entanglement transfer from electrons localized in a pair of quantum dots to circularly polarized photons is governed by optical selection rules, enforced by conservation of angular momentum. We...
Entangled microwave photons from quantum dots (2005)
Emary, C., Trauzettel, B., Beenakker, C. W. J.
We describe a mechanism for the production of polarisation-entangled microwaves using intra-band transitions in a pair of quantum dots. This proposal relies neither on spin-orbit coupling nor on...
Optimal spin-entangled electron-hole pair pump (2005)
Beenakker, C. W. J., Titov, M., Trauzettel, B.
A nonperturbative theory is presented for the creation by an oscillating potential of spin-entangled electron-hole pairs in the Fermi sea. In the weak potential limit, considered earlier by...
Transfer of entanglement from electrons to photons by optical selection rules (2005)
Titov, M., Trauzettel, B., Michaelis, B., Beenakker, C. W. J.
Appearance of fractional charge in the noise of non-chiral Luttinger liquids (2004)
Trauzettel, B., Safi, I., Dolcini, F., Grabert, H.
The current noise of a voltage biased interacting quantum wire adiabatically connected to metallic leads is computed in presence of an impurity in the wire. We find that in the weak backscattering...
Appearance of fractional charge in the noise of non-chiral Luttinger liquids (2004)
Trauzettel, B., Safi, I., Dolcini, F., Grabert, H.
The current noise of a voltage biased interacting quantum wire adiabatically connected to metallic leads is computed in presence of an impurity in the wire. We find that in the weak backscattering...
Effect of interactions on the noise of chiral Luttinger liquid systems (2004)
Trauzettel, B., Roche, P., Glattli, D. C., Saleur, H.
We analyze the current noise, generated at a quantum point contact in fractional quantum Hall edge state devices, using the chiral Luttinger liquid model with an impurity and the associated exact...
Appearance of fractional charge in the noise of non-chiral Luttinger liquids (2004)
Trauzettel, B., Safi, I., Dolcini, F., Grabert, H.
The current noise of a voltage biased interacting quantum wire adiabatically connected to metallic leads is computed in presence of an impurity in the wire. We find that in the weak backscattering...
Effect of interactions on the noise of chiral Luttinger liquid systems (2004)
Trauzettel, B., Roche, P., Glattli, D. C., Saleur, H.
We analyze the current noise, generated at a quantum point contact in fractional quantum Hall edge state devices, using the chiral Luttinger liquid model with an impurity and the associated exact...
Effect of interactions on the noise of chiral Luttinger liquid systems (2003)
Trauzettel, B., Roche, P., Glattli, D. C., Saleur, H.
We analyze the current noise, generated at a quantum point contact in fractional quantum Hall edge state devices, using the chiral Luttinger liquid model with an impurity and the associated exact...
Transport theory of carbon nanotube Y junctions (2003)
Egger, R., Trauzettel, B., Chen, S., Siano, F.
We describe a generalization of Landauer-B\"uttiker theory for networks of interacting metallic carbon nanotubes. We start with symmetric starlike junctions and then extend our approach to asymmetric...
Long wavelength spatial oscillations of high frequency current noise in 1D electron systems (2002)
Finite frequency current noise is studied theoretically for a 1D electron system in presence of a scatterer. In contrast to zero frequency shot noise, finite frequency noise shows spatial...
How Irrelevant Operators affect the Determination of Fractional Charge (2002)
Koutouza, A., Saleur, H., Trauzettel, B.
We show that the inclusion of irrelevant terms in the Hamiltonian describing tunneling between edge states in the fractional quantum Hall effect can lead to a variety of non perturbative behaviors in...
Chen, S., Trauzettel, B., Egger, R.
We propose a Landauer-like theory for nonlinear transport in networks of one-dimensional interacting quantum wires (Luttinger liquids). A concrete example of current experimental focus is given by...
Coulomb drag shot noise in coupled Luttinger liquids (2001)
Trauzettel, B., Egger, R., Grabert, H.
Coulomb drag shot noise has been studied theoretically for 1D interacting electron systems, which are realized e.g. in single-wall nanotubes. We show that under adiabatic coupling to external leads,...