Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal, Altimiras, Carles, Sueur, Hélène Le, Pierre, Frédéric
Inter-edge channel interactions in the quantum Hall regime at filling factor nu= 2 are analyzed within a plasmon scattering formalism. We derive analytical expressions for energy redistribution...
Decoherence and relaxation of single electron excitations in quantum Hall edge channels (2009)
Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal
A unified approach to decoherence and relaxation of energy resolved single electron excitations in Integer Quantum Hall edge channels is presented. Within the bosonization framework, relaxation and...
Nanomechanical Detection of Itinerant Electron Spin Flip (2009)
Zolfagharkhani, Guiti, Gaidarzhy, Alexei, Degiovanni, Pascal, Kettemann, Stefan, Fulde, Peter, Mohanty, Pritiraj
Spin is an intrinsically quantum property, characterized by angular momentum. A change in the spin state is equivalent to a change in the angular momentum or mechanical torque. This spin-induced...
Decoherence and relaxation of single electron excitations in quantum Hall edge channels. (2009)
Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal
A unified approach to decoherence and relaxation of energy resolved single electron excitations in Integer Quantum Hall edge channels is presented. Within the bosonization framework, relaxation and...
Decoherence and relaxation of single electron excitations in quantum Hall edge channels. (2009)
Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal
A unified approach to decoherence and relaxation of energy resolved single electron excitations in Integer Quantum Hall edge channels is presented. Within the bosonization framework, relaxation and...
Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal, Altimiras, Carles, Le Sueur, Hélène, Pierre, Frédéric
Inter-edge channel interactions in the quantum Hall regime at filling factor nu= 2 are analyzed within a plasmon scattering formalism. We derive analytical expressions for energy redistribution...
Degiovanni, Pascal, Grenier, Charles, Fève, Gwendal, Altimiras, Carles, Le Sueur, Hélène, Pierre, Frédéric
Inter-edge channel interactions in the quantum Hall regime at filling factor nu= 2 are analyzed within a plasmon scattering formalism. We derive analytical expressions for energy redistribution...
Dissipative dynamics of circuit-QED in the mesoscopic regime (2008)
Bonzom, Valentin, Bouzidi, Hichem, Degiovanni, Pascal
We investigate the behavior of a circuit QED device when the resonator is initially populated with a mesoscopic coherent field. The strong coupling between the cavity and the qubit produces an...
Dissipative dynamics of circuit-QED in the mesoscopic regime (2008)
Bonzom, Valentin, Bouzidi, Hichem, Degiovanni, Pascal
We investigate the behavior of a circuit QED device when the resonator is initially populated with a mesoscopic coherent field. The strong coupling between the cavity and the qubit produces an...
Electron coherence at low temperatures: The role of magnetic impurities (2007)
Saminadayar, Laurent, Mohanty, Pritiraj, Webb, Richard A., Degiovanni, Pascal, Bäuerle, Christopher
We review recent experimental progress on the saturation problem in metallic quantum wires. In particular, we address the influence of magnetic impurities on the electron phase coherence time. We...
Dissipative dynamics of circuit-QED in the mesoscopic regime (2007)
Bonzom, Valentin, Bouzidi, Hichem, Degiovanni, Pascal
We investigate the behavior of a circuit QED device when the resonator is initially populated with a mesoscopic coherent field. The strong coupling between the cavity and the qubit produces an...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Le Diffon, Arnaud, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Diffon, Arnaud Le, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Le Diffon, Arnaud, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Le Diffon, Arnaud, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Le Diffon, Arnaud, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Entanglement and decoherence of N atoms and a mesoscopic field in a cavity (2006)
Meunier, Tristan, Le Diffon, Arnaud, Rueff, Clément, Degiovanni, Pascal, Raimond, Jean-Michel
We investigate the behavior of N atoms resonantly coupled to a single electromagnetic field mode sustained by a high quality cavity, containing a mesoscopic coherent field. We show with a simple...
Dephasing due to nonstationary 1/f noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal, Makhlin, Yu.
Motivated by recent experiments with Josephson qubits we propose a new phenomenological model for 1/f noise due to collective excitations of interacting defects in the qubit\'s environment. At very...
Decoherence of Schrödinger cat states in a Luttinger liquid (2005)
Degiovanni, Pascal, Peysson, Stéphane
Schro¨dinger cat states built from quantum superpositions of left or right Luttinger fermions located at different positions in a spinless Luttinger liquid are onsidered. Their decoherence rates are...
Degiovanni, Pascal, Chaubet, Christophe, Mélin, Régis
We present a comprehensive study of the effective Conformal Field Theory (CFT) describing the low energy excitations of a gas of spinless interacting fermions on a circle in the gapless regime...
Charge and current distribution in graphs (2005)
Texier, Christophe, Degiovanni, Pascal
We consider graphs made of one-dimensional wires connected at vertices, and on which may live a scalar potential. We are interested in a scattering situation where such a network is connected to...
Dephasing by a nonstationary classical intermittent noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We consider a new phenomenological model for a $1/f^{\mu}$ classical intermittent noise and study its effects on the dephasing of a two-level system. Within this model, the evolution of the relative...
Dephasing by a nonstationary classical intermittent noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We consider a new phenomenological model for a $1/f^{\\mu}$ classical intermittent noise and study its effects on the dephasing of a two-level system. Within this model, the evolution of the relative...
Nonstationary dephasing of two level systems (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We investigate the influence of nonstationary 1/f^mu noise, produced by interacting defects, on a quantum two-level system. Adopting a simple phenomenological model for this noise we describe exactly...
Dephasing by a nonstationary classical intermittent noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We consider a new phenomenological model for a $1/f^{\\mu}$ classical intermittent noise and study its effects on the dephasing of a two-level system. Within this model, the evolution of the relative...
Nonstationary dephasing of two level systems (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We investigate the influence of nonstationary 1/f^mu noise, produced by interacting defects, on a quantum two-level system. Adopting a simple phenomenological model for this noise we describe exactly...
Dephasing by a nonstationary classical intermittent noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We consider a new phenomenological model for a $1/f^{\\mu}$ classical intermittent noise and study its effects on the dephasing of a two-level system. Within this model, the evolution of the relative...
Nonstationary dephasing of two level systems (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We investigate the influence of nonstationary 1/f^mu noise, produced by interacting defects, on a quantum two-level system. Adopting a simple phenomenological model for this noise we describe exactly...
Dephasing by a nonstationary classical intermittent noise (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We consider a new phenomenological model for a $1/f^{\\mu}$ classical intermittent noise and study its effects on the dephasing of a two-level system. Within this model, the evolution of the relative...
Nonstationary dephasing of two level systems (2005)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We investigate the influence of nonstationary 1/f^mu noise, produced by interacting defects, on a quantum two-level system. Adopting a simple phenomenological model for this noise we describe exactly...
Quantum impurity approach to a coupled qubit problem (2004)
Camalet, Sebastien, Schriefl, Josef, Degiovanni, Pascal, Delduc, Francois
We consider a system of two qubits at the ends of a finite length 1D cavity. This problem is mapped onto the double-Kondo model which is also shown to describe the low energy physics of a finite...
Nonstationary dephasing of two level systems (2004)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal
We investigate the influence of nonstationary 1/f^mu noise, produced by interacting defects, on a quantum two-level system. Adopting a simple phenomenological model for this noise we describe exactly...
Dephasing due to nonstationary 1/f noise (2004)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal, Makhlin, Yu.
Motivated by recent experiments with Josephson qubits we propose a new phenomenological model for 1/f noise due to collective excitations of interacting defects in the qubit\'s environment. At very...
Quantum impurity approach to a coupled qubit problem (2004)
Camalet, Sebastien, Schriefl, Josef, Degiovanni, Pascal, Delduc, François
We consider a system of two qubits at the ends of a finite length 1D cavity. This problem is mapped onto the double-Kondo model which is also shown to describe the low energy physics of a finite...
Dephasing due to nonstationary 1/f noise (2004)
Schriefl, Josef, Clusel, Maxime, Carpentier, David, Degiovanni, Pascal, Makhlin, Yu.
Motivated by recent experiments with Josephson qubits we propose a new phenomenological model for 1/f noise due to collective excitations of interacting defects in the qubit\'s environment. At very...
Quantum impurity approach to a coupled qubit problem (2004)
Camalet, Sebastien, Schriefl, Josef, Degiovanni, Pascal, Delduc, François
We consider a system of two qubits at the ends of a finite length 1D cavity. This problem is mapped onto the double-Kondo model which is also shown to describe the low energy physics of a finite...
Quantum impurity approach to a coupled qubit problem (2004)
Camalet, Sebastien, Schriefl, Josef, Degiovanni, Pascal, Delduc, François
We consider a system of two qubits at the ends of a finite length 1D cavity. This problem is mapped onto the double-Kondo model which is also shown to describe the low energy physics of a finite...
Quantum impurity approach to a coupled qubit problem (2004)
Camalet, Sebastien, Schriefl, Josef, Degiovanni, Pascal, Delduc, François
We consider a system of two qubits at the ends of a finite length 1D cavity. This problem is mapped onto the double-Kondo model which is also shown to describe the low energy physics of a finite...
Charge and currents distribution in graphs (2003)
Texier, Christophe, Degiovanni, Pascal
We consider graphs made of one-dimensional wires connected at vertices, and on which may live a scalar potential. We are interested in a scattering situation where such a network is connected to...
Charge and current distribution in graphs (2003)
Texier, Christophe, Degiovanni, Pascal
We consider graphs made of one-dimensional wires connected at vertices, and on which may live a scalar potential. We are interested in a scattering situation where such a network is connected to...
Charge and current distribution in graphs (2003)
Texier, Christophe, Degiovanni, Pascal
We consider graphs made of one-dimensional wires connected at vertices, and on which may live a scalar potential. We are interested in a scattering situation where such a network is connected to...
Decoherence of Schrödinger cat states in a Luttinger liquid (2000)
Degiovanni, Pascal, Peysson, Stéphane
Schro¨dinger cat states built from quantum superpositions of left or right Luttinger fermions located at different positions in a spinless Luttinger liquid are onsidered. Their decoherence rates are...
Decoherence of Schrödinger cat states in a Luttinger liquid (2000)
Degiovanni, Pascal, Peysson, Stéphane
Schro¨dinger cat states built from quantum superpositions of left or right Luttinger fermions located at different positions in a spinless Luttinger liquid are onsidered. Their decoherence rates are...
Degiovanni, Pascal, Chaubet, Christophe, Mélin, Régis
We present a comprehensive study of the effective Conformal Field Theory (CFT) describing the low energy excitations of a gas of spinless interacting fermions on a circle in the gapless regime...
Degiovanni, Pascal, Chaubet, Christophe, Mélin, Régis
We present a comprehensive study of the effective Conformal Field Theory (CFT) describing the low energy excitations of a gas of spinless interacting fermions on a circle in the gapless regime...