Non-Markovian Quantum Error Deterrence by Dynamical Decoupling in a General Environment
| dc.creator | Shiokawa, K. | |
| dc.creator | Hu, B. L. | |
| dc.date | 2005-07-19 | |
| dc.date.accessioned | 2026-07-07T06:13:13Z | |
| dc.date.available | 2026-07-07T06:13:13Z | |
| dc.description | A dynamical decoupling scheme for the deterrence of errors in the non-Markovian (usually corresponding to low temperature, short time, and strong coupling) regimes suitable for qubits constructed out of a multilevel structure is studied. We use the effective spin-boson model (ESBM) introduced recently [K. Shiokawa and B. L. Hu, Phys. Rev. A70, 062106 (2004)] as a low temperature limit of the quantum Brownian oscillator model, where one can obtain exact solutions for a general environment with colored noises. In our decoupling scheme a train of pairs of strong pulses are used to evolve the interaction Hamiltonian instantaneously. Using this scheme we show that the dynamical decoupling method can suppress $1/f$ noise with slower and hence more accessible pulses than previously studied, but it still fails to decouple super-Ohmic types of environments. | |
| dc.description | 25 pages, 6 figures | |
| dc.identifier | https://arxiv.org/abs/quant-ph/0507177 | |
| dc.identifier | http://arxiv.org/abs/quant-ph/0507177 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/93028 | |
| dc.subject | Quantum Physics | |
| dc.title | Non-Markovian Quantum Error Deterrence by Dynamical Decoupling in a General Environment | |
| dc.type | text |