Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Maarten Van den Nest"'
Publikováno v:
New Journal of Physics, Vol 16, Iss 1, p 013015 (2014)
Here we investigate the connection between topological order and the geometric entanglement, as measured by the logarithm of the overlap between a given state and its closest product state of blocks. We do this for a variety of topologically ordered
Externí odkaz:
https://doaj.org/article/510547e96cc74d40845cba6e9b0ee9af
Publikováno v:
Scopus-Elsevier
Web of Science
Web of Science
$\textit{Normalizer circuits}$ [1,2] are generalized Clifford circuits that act on arbitrary finite-dimensional systems $\mathcal{H}_{d_1}\otimes ... \otimes \mathcal{H}_{d_n}$ with a standard basis labeled by the elements of a finite Abelian group $
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ded7bc53356f9913bb4c7c4f10d7c70
https://doi.org/10.26421/qic16.5-6-1
https://doi.org/10.26421/qic16.5-6-1
Autor:
Maarten Van den Nest
Publikováno v:
Quantum Information and Computation. 13:1007-1037
The quantum Fourier transform (QFT) is an important ingredient in various quantum algorithms which achieve superpolynomial speed-ups over classical computers. In this paper we study under which conditions the QFT can be simulated efficiently classica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d3bcb30ab6bacb2133da482ee1d5347
https://doi.org/10.26421/qic13.11-12-7
https://doi.org/10.26421/qic13.11-12-7
Autor:
Maarten Van den Nest, Xiaotong Ni
Publikováno v:
Quantum Information and Computation. 13:54-72
The study of quantum circuits composed of commuting gates is particularly useful to understand the delicate boundary between quantum and classical computation. Indeed, while being a restricted class, commuting circuits exhibit genuine quantum effects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13ede90dc92fab5cb513fc5ccbeab71a
https://doi.org/10.26421/qic13.1-2-5
https://doi.org/10.26421/qic13.1-2-5
Autor:
Maarten Van den Nest, Wolfgang Dür
Publikováno v:
Physical Review A. 89
We present an algorithm to approximate partition functions of 3-body classical Ising models on two-dimensional lattices of arbitrary genus, in the real-temperature regime. Even though our algorithm is purely classical, it is designed by exploiting a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bde260a87bb4433504ae58841f69b58
https://doi.org/10.1103/physreva.89.012334
https://doi.org/10.1103/physreva.89.012334
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::585cb8e95752fdb7b62f1bdad7fb311d
Autor:
Maarten Van den Nest
Publikováno v:
Physical review letters. 110(6)
We show that universal quantum computation can be achieved in the standard pure-state circuit model while, at any time, the entanglement entropy of all bipartitions is small---even tending to zero with growing system size. The result is obtained by s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89978c99523eba3b4909d202de360bb9
https://pubmed.ncbi.nlm.nih.gov/23432229
https://pubmed.ncbi.nlm.nih.gov/23432229
Publikováno v:
Web of Science
Scopus-Elsevier
Scopus-Elsevier
Quantum normalizer circuits were recently introduced as generalizations of Clifford circuits [arXiv:1201.4867]: a normalizer circuit over a finite Abelian group $G$ is composed of the quantum Fourier transform (QFT) over G, together with gates which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b46aaad1b5d7a5c4f214fe9642e2920e
Autor:
Maarten Van den Nest, Wolfgang Dür
Publikováno v:
Physical review letters. 107(17)
We establish a connection between ground states of local quantum Hamiltonians and thermal states of classical spin systems. For any discrete classical statistical mechanical model in any spatial dimension, we find an associated quantum state such tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::149db71e65e2a42916654dfc76513e13
https://pubmed.ncbi.nlm.nih.gov/22107489
https://pubmed.ncbi.nlm.nih.gov/22107489
Autor:
Hans J. Briegel, Maarten Van den Nest, Wolfgang Dür, Marco Piani, Caterina E. Mora, Akimasa Miyake
Publikováno v:
Physical Review A
We investigate which quantum states can serve as universal resources for approximate and stochastic measurement-based quantum computation, in the sense that any quantum state can be generated from a given resource by means of single-qubit (local) ope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4298809cd262569922bc32f46a83415
https://doi.org/10.1103/physreva.81.042315
https://doi.org/10.1103/physreva.81.042315