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40 papers · 2 filters
Percolation in quantum computation and communication
K. Kieling, J. Eisert
This article is a draft of a book chapter of the book entitled "Quantum Percolation and Breakdown", to appear 2008.
Schwinger Representation for the Symmetric Group: Two explicit constructions for the Carrier Space
S. Chaturvedi, G. Marmo, N. Mukunda +1
We give two explicit construction for the carrier space for the Schwinger representation of the group . While the first relies on a class of functions consisting of monomials…
Assessing non-Markovian dynamics
M. M. Wolf, J. Eisert, T. S. Cubitt +1
We investigate what a snapshot of a quantum evolution - a quantum channel reflecting open system dynamics - reveals about the underlying continuous time evolution. Remarkably, from…
Atom Fock state preparation by trap reduction
A. del Campo, J. G. Muga
We study the production of low atom number Fock states by reducing suddenly the potential trap in a 1D strongly interacting (Tonks-Girardeau) gas. The fidelity of the Fock state pr…
Spectra of phase point operators in odd prime dimensions and the extended Clifford group
D. M. Appleby, Ingemar Bengtsson, S. Chaturvedi
We analyse the role of the Extended Clifford group in classifying the spectra of phase point operators within the framework laid out by Gibbons et al for setting up Wigner distribu…
Atom detection and photon production in a scalable, open, optical microcavity
M. Trupke, J. Goldwin, B. Darquié +4
A microfabricated Fabry-Perot optical resonator has been used for atom detection and photon production with less than 1 atom on average in the cavity mode. Our cavity design combin…