"Diluting quantum information: An analysis of information transfer in system-reservoir interactions" . . . "[2C25E5BFF718]" . . "Stelmachovic, Peter" . "Scarani, Valerio" . "We design a universal quantum homogenizer, which is a quantum machine that takes as an input a system qubit initially in the state $\\rho$ and a set of N reservoir qubits initially prepared in the same state $\\xi$. In the homogenizer the system qubit sequentially interacts with the reservoir qubits via the partial swap transformation. The homogenizer realizes, in the limit sense, the transformation such that at the output each qubit is in an arbitratily small neighbourhood of the state $\\xi$ irrespective of the initial states of the system and the reservoir qubits. This means that the system qubit undergoes an evolution that has a fixed point, which is the reservoir state $\\xi$. We also study approximate homogenization when the reservoir is composed of a finite set of identically prepared qubits. The homogenizer allows us to understand various aspects of the dynamics of open systems interacting with environments in non-equilibrium states. In particular, the reversibility vs or irreversibility of the dy" . "quantum information; entanglement; dynamics of open quantum systems"@en . "Diluting quantum information: An analysis of information transfer in system-reservoir interactions"@en . "RIV/00216224:14330/02:00007539" . . . "Diluting quantum information: An analysis of information transfer in system-reservoir interactions" . "Hillery, Mark" . . "Ziman, Mario" . "We design a universal quantum homogenizer, which is a quantum machine that takes as an input a system qubit initially in the state $\\rho$ and a set of N reservoir qubits initially prepared in the same state $\\xi$. In the homogenizer the system qubit sequentially interacts with the reservoir qubits via the partial swap transformation. The homogenizer realizes, in the limit sense, the transformation such that at the output each qubit is in an arbitratily small neighbourhood of the state $\\xi$ irrespective of the initial states of the system and the reservoir qubits. This means that the system qubit undergoes an evolution that has a fixed point, which is the reservoir state $\\xi$. We also study approximate homogenization when the reservoir is composed of a finite set of identically prepared qubits. The homogenizer allows us to understand various aspects of the dynamics of open systems interacting with environments in non-equilibrium states. In particular, the reversibility vs or irreversibility of the dy"@cs . . "We design a universal quantum homogenizer, which is a quantum machine that takes as an input a system qubit initially in the state $\\rho$ and a set of N reservoir qubits initially prepared in the same state $\\xi$. In the homogenizer the system qubit sequentially interacts with the reservoir qubits via the partial swap transformation. The homogenizer realizes, in the limit sense, the transformation such that at the output each qubit is in an arbitratily small neighbourhood of the state $\\xi$ irrespective of the initial states of the system and the reservoir qubits. This means that the system qubit undergoes an evolution that has a fixed point, which is the reservoir state $\\xi$. We also study approximate homogenization when the reservoir is composed of a finite set of identically prepared qubits. The homogenizer allows us to understand various aspects of the dynamics of open systems interacting with environments in non-equilibrium states. In particular, the reversibility vs or irreversibility of the dy"@en . . "Diluting quantum information: An analysis of information transfer in system-reservoir interactions"@en . "11"^^ . "643250" . "1050-2947" . "Diluting quantum information: An analysis of information transfer in system-reservoir interactions"@cs . "6"^^ . "P(GA201/98/0369), Z(MSM 143300001)" . "Diluting quantum information: An analysis of information transfer in system-reservoir interactions"@cs . "04" . "Bu\u017Eek, Vladim\u00EDr" . . . "Physical Review A" . "RIV/00216224:14330/02:00007539!RIV08-MSM-14330___" . "65" . . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . . . "1"^^ . "Gisin, Nicolas" . "042105-1;042105-11" . . "14330" . . .