[quantum-info] PIQuDos seminar on Wed April 9: Xiaotong Ni

[Gus Gutoski]

Reminder: PIQuDos seminar by Xiaotong Ni today at 16:00 in the Time room.
 -Gus


On Thu, Apr 3, 2014 at 11:38 AM, Gus Gutoski <ggutoski at perimeterinstitute.ca
> wrote:

> Please join us on Wednesday, April 9 at 4pm in the Time room for a quantum
> information seminar by Xiaotong Ni.
>
> Title: * A non-commuting stabilizer formalism*
> Speaker: *Xiaotong Ni* (MPI for Quantum Optics)
>
> Abstract: We propose a non-commutative extension of the Pauli stabilizer formalism.
> The aim is to describe a class of many-body quantum states which is
> richer than the standard Pauli stabilizer states. In our framework,
> stabilizer operators are tensor products of single-qubit operators drawn
> from the group  {\alpha I, X,S}, where \alpha=e^{i\pi/4} and S=diag(1,i).
> We provide techniques to
> efficiently compute various properties, related to e.g. bipartite entanglement,
> expectation values of local observables, preparation by means of quantum
> circuits, parent Hamiltonians etc. We also highlight significant
> differences compared to the Pauli stabilizer formalism. In particular we
> give examples of states in our formalism which cannot arise in the Pauli
> stabilizer formalism, such as topological models that supports
> non-abelian anyons. This is a joint work with O. Buerschaper and M. van
> den Nest.
>
> Date: Wednesday, April 9, 2014.
> Time: 16:00
> Location: Time Room (294)
>
> -Gus
>
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