Oct 10, 2002 - information is stored and manipulated in âtopological degrees of freedomâ rather ... The gates are taken from a fixed finite library of unitary 2 Ã 2 .... collective electronic systems, e.g. the fractional quantum Hall effect [13]
Nov 25, 2014 - where rA is the vector from a point A that defines the center of ...... approach, which we will call Hamiltonian averaging, and bound its costs in .... exponential decline in the quality of trial wave functions, as measured by overlap
Dec 18, 2007 - This subspace is called decoherence-free space DFS. To perform quantum computation in a DFS, one has to de- sign the specific Hamiltonian ...
Blind Quantum Computation. For a computation to be considered âblindâ we require that Bob cannot determine: ⢠Alice's input. ⢠The output of Alice's chosen computation. ⢠The computation Alice chose to perform. Alice must encrypt the comput
Oct 10, 2002 - searching a data base [15], abelian groups (factoring and discrete .... fold hard-core interaction between electrons in a fixed Laudau level ... In the case when T is a disk D with puncturesâphysically anyonic excitationsâ.
quantum mechanical point of view, this is a valid description of an electron with spin down or up. ... physical objects within the framework of quantum field theory.
Leading experts from "The Physics of Quantum Information" network, initiated by the European Commission, bring together the most recent results from this ...
Nov 13, 2012 - University of Science and Technology of China, Hefei, Anhui 230026, China ... Single photons are so far the best messengers for quantum networks as they ... of distant matter qubit nodes and transfer of quantum information between the
Jul 10, 2010 - A quantum key distribution protocol is composed of two parts: a ...... quantum key distribution based on avalanche photodiodes, New J. Phys., ...
Oct 13, 2014 - quantum adiabatic algorithm to combinatorial optimization problems. ... applied to structured and unstructured search20,21, search engine ...... License. The images or other third party material in this article are included in the.
Apr 27, 2006 - Lee Glashow got their Nobel prize for a unified description of the electromagnetic and weak nuclear forces ... the electroweak theory could serve as a blueprint on how to unify different forces, no such solution ..... In general it is
This paper provides an informal account of how this is done by geometric (aka. Clifford) algebra; in addition, it describes an extension of this formalism to multi- qubit systems, and shows that it provides a concise and lucid means of describing the
The universal quantum computer, described by David Deutsch in 1985 ..... two input qubits, the top one, is the control and the second is the target. The result of ...... N=500. Figure 3.3: Averaged fidelity at time t1 as a function of the disorder ε