4-8 July 2016
Kramer Law building
Africa/Johannesburg timezone
<a href="http://events.saip.org.za/internalPage.py?pageId=10&confId=86">The Proceedings of SAIP2016</a> published on 24 December 2017

Digital simulation of many-body non-Markovian dynamics

5 Jul 2016, 14:20
20m
2A (Kramer Law building)

2A

Kramer Law building

UCT Middle Campus Cape Town
Oral Presentation Track G - Theoretical and Computational Physics Theoretical and Computational Physics (1)

Speaker

Ryan Sweke (Ukzn)

Please indicate whether<br>this abstract may be<br>published online<br>(Yes / No)

Yes

Main supervisor (name and email)<br>and his / her institution

Prof. Francesco Petruccione Petruccione@ukzn.ac.za

Apply to be<br> considered for a student <br> &nbsp; award (Yes / No)?

Yes

Level for award<br>&nbsp;(Hons, MSc, <br> &nbsp; PhD, N/A)?

Ph.D.

Abstract content <br> &nbsp; (Max 300 words)<br><a href="http://events.saip.org.za/getFile.py/access?resId=0&materialId=0&confId=34" target="_blank">Formatting &<br>Special chars</a>

We present an algorithmic method for the digital quantum simulation of
many-body locally-indivisible non-Markovian open quantum systems. It consists
of two parts: Firstly, a Suzuki-Lie-Trotter decomposition of the k-local
global system propagator into the product of strictly k-local propagators,
which may not be quantum channels, and secondly, an algorithmic procedure for
the implementation of the strictly k-local propagators through unitary
operations and measurements on a dilated space. By providing rigorous error
bounds for the relevant Suzuki-Lie-Trotter decomposition, we are able to
analyse the efficiency of the method, and connect it with an appropriate
measure of the local indivisibility of the system. In light of our analysis,
the proposed method is expected to be experimentally achievable for a variety
of interesting cases.

Would you like to <br> submit a short paper <br> for the Conference <br> Proceedings (Yes / No)?

No

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