Experimental linear-optics simulation of ground-state of an Ising spin chain

Abstract We experimentally demonstrate a photonic quantum simulator: by using a two-spin Ising chain (an isolated dimer) as an example, we encode the wavefunction of the ground state with a pair of entangled photons. The effect of magnetic fields, leading to a critical modification of the correlatio...

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Autores principales:	Peng Xue, Xian Zhan, Zhihao Bian
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/09bd7f8920e849ec9da5cdb28b026460
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spelling	oai:doaj.org-article:09bd7f8920e849ec9da5cdb28b0264602021-12-02T15:06:01ZExperimental linear-optics simulation of ground-state of an Ising spin chain10.1038/s41598-017-02571-w2045-2322https://doaj.org/article/09bd7f8920e849ec9da5cdb28b0264602017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02571-whttps://doaj.org/toc/2045-2322Abstract We experimentally demonstrate a photonic quantum simulator: by using a two-spin Ising chain (an isolated dimer) as an example, we encode the wavefunction of the ground state with a pair of entangled photons. The effect of magnetic fields, leading to a critical modification of the correlation between two spins, can be simulated by just local operations. With the ratio of simulated magnetic fields and coupling strength increasing, the ground state of the system changes from a product state to an entangled state and back to another product state. The simulated ground states can be distinguished and the transformations between them can be observed by measuring correlations between photons. This simulation of the Ising model with linear quantum optics opens the door to the future studies which connect quantum information and condensed matter physics.Peng XueXian ZhanZhihao BianNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Peng Xue Xian Zhan Zhihao Bian Experimental linear-optics simulation of ground-state of an Ising spin chain
description	Abstract We experimentally demonstrate a photonic quantum simulator: by using a two-spin Ising chain (an isolated dimer) as an example, we encode the wavefunction of the ground state with a pair of entangled photons. The effect of magnetic fields, leading to a critical modification of the correlation between two spins, can be simulated by just local operations. With the ratio of simulated magnetic fields and coupling strength increasing, the ground state of the system changes from a product state to an entangled state and back to another product state. The simulated ground states can be distinguished and the transformations between them can be observed by measuring correlations between photons. This simulation of the Ising model with linear quantum optics opens the door to the future studies which connect quantum information and condensed matter physics.
format	article
author	Peng Xue Xian Zhan Zhihao Bian
author_facet	Peng Xue Xian Zhan Zhihao Bian
author_sort	Peng Xue
title	Experimental linear-optics simulation of ground-state of an Ising spin chain
title_short	Experimental linear-optics simulation of ground-state of an Ising spin chain
title_full	Experimental linear-optics simulation of ground-state of an Ising spin chain
title_fullStr	Experimental linear-optics simulation of ground-state of an Ising spin chain
title_full_unstemmed	Experimental linear-optics simulation of ground-state of an Ising spin chain
title_sort	experimental linear-optics simulation of ground-state of an ising spin chain
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/09bd7f8920e849ec9da5cdb28b026460
work_keys_str_mv	AT pengxue experimentallinearopticssimulationofgroundstateofanisingspinchain AT xianzhan experimentallinearopticssimulationofgroundstateofanisingspinchain AT zhihaobian experimentallinearopticssimulationofgroundstateofanisingspinchain
_version_	1718388623625158656

Experimental linear-optics simulation of ground-state of an Ising spin chain

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