Dresden 2011 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 34: TR: Quantum Coherence and Quantum Information Systems 2 (jointly with MA and HL)

TT 34.11: Talk

Wednesday, March 16, 2011, 17:00–17:15, HSZ 03

Holonomic transformations with superconducting qubits — •Ingo kamleitner and Alexander Shnirman — Institut für Theorie der kondensierten Materie, Karlsruher Institut für Technologie, Karlsruhe, Germany

Holonomic transformations are known to be robust to small variations of the Hamiltonian and are therefore a promising method to achieve fault tolerant quantum gates for quantum information processing. Here we propose an experimentally feasible holonomic transformation using three superconducting qubits of the transmon type coupled to a cavity. The Hamiltonian in the one-excitation subspace is of the tripod type, which naturally has a degenrate subspace and is well suited for holonomies. The effective cavity transmon couplings are achieved via external driving of the transmons and are tunable.