77 citations · 134 across the 6 of their papers we have counts for
6 papers
Bias-induced destruction of ferromagnetism and disorder effects in GaMnAs heterostructures
Christian Ertler, Walter Pötz
The magneto-electric properties of resonant tunneling double barrier structures using GaMnAs for the quantum well is investigated within a self-consistent Green's function approach…
Optimal Control for Open Quantum Systems: Qubits and Quantum Gates
Robert Roloff, Markus Wenin, Walter Pötz
This article provides a review of recent developments in the formulation and execution of optimal control strategies for the dynamics of quantum systems. A brief introduction to th…
Time-optimal performance of Josephson charge qubits: A process tomography approach
Robert Roloff, Walter Pötz
A process tomography based optimization scheme for open quantum systems is used to determine the performance limits of Josephson charge qubits within current experimental means. Th…
Bell-state preparation for electron spins in a semiconductor double quantum dot
Robert Roloff, Walter Pötz
A robust scheme for state preparation and state trapping for the spins of two electrons in a semiconductor double quantum dot is presented. The system is modeled by two spins coupl…
Quantum optimal control theory and dynamic coupling in the spin-boson model
H. Jirari, W. Pötz
A Markovian master equation describing the evolution of open quantum systems in the presence of a time-dependent external field is derived within the Bloch-Redfield formalism. It l…
Quantum control of dissipation for the example of the spin-boson model
H. Jirari, W. Potz
The interaction of a quantum system with a bath, usually referred to as dissipation, can be controlled if one can establish quantum interference between the system--bath interactio…