Abstract:
:One of the key applications of quantum information is simulating nature. Fermions are ubiquitous in nature, appearing in condensed matter systems, chemistry and high energy physics. However, universally simulating their interactions is arguably one of the largest challenges, because of the difficulties arising from anticommutativity. Here we use digital methods to construct the required arbitrary interactions, and perform quantum simulation of up to four fermionic modes with a superconducting quantum circuit. We employ in excess of 300 quantum logic gates, and reach fidelities that are consistent with a simple model of uncorrelated errors. The presented approach is in principle scalable to a larger number of modes, and arbitrary spatial dimensions.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Barends R,Lamata L,Kelly J,García-Álvarez L,Fowler AG,Megrant A,Jeffrey E,White TC,Sank D,Mutus JY,Campbell B,Chen Y,Chen Z,Chiaro B,Dunsworth A,Hoi IC,Neill C,O'Malley PJ,Quintana C,Roushan P,Vainsencher A,Wenndoi
10.1038/ncomms8654subject
Has Abstractpub_date
2015-07-08 00:00:00pages
7654issn
2041-1723pii
ncomms8654journal_volume
6pub_type
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