A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Experimental implementation of fully controlled dephasing dynamics and synthetic spectral densities
Tekijät: Zhao-Di Liu, Henri Lyyra, Yong-Nan Sun, Bi-Heng Liu, Chuan-Feng Li, Guang-Can Guo, Sabrina Maniscalco, Jyrki Piilo
Kustantaja: NATURE PUBLISHING GROUP
Julkaisuvuosi: 2018
Journal: Nature Communications
Tietokannassa oleva lehden nimi: NATURE COMMUNICATIONS
Lehden akronyymi: NAT COMMUN
Artikkelin numero: ARTN 3453
Vuosikerta: 9
Sivujen määrä: 7
ISSN: 2041-1723
DOI: https://doi.org/10.1038/s41467-018-05817-x
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/35817308
Engineering, controlling, and simulating quantum dynamics is a strenuous task. However, these techniques are crucial to develop quantum technologies, preserve quantum properties, and engineer decoherence. Earlier results have demonstrated reservoir engineering, construction of a quantum simulator for Markovian open systems, and controlled transition from Markovian to non-Markovian regime. Dephasing is an ubiquitous mechanism to degrade the performance of quantum computers. However, all-purpose quantum simulator for generic dephasing is still missing. Here, we demonstrate full experimental control of dephasing allowing us to implement arbitrary decoherence dynamics of a qubit. As examples, we use a photon to simulate the dynamics of a qubit coupled to an Ising chain in a transverse field and also demonstrate a simulation of nonpositive dynamical map. Our platform opens the possibility to simulate dephasing of any physical system and study fundamental questions on open quantum systems.
Ladattava julkaisu This is an electronic reprint of the original article. |  |
