Establishing Einstein-Poldosky-Rosen Channels between Nanomechanics and Atomic Ensembles

被引：161

作者：

Hammerer, K. ^{[1
,2
,3
]}

Aspelmeyer, M. ^{[2
,3
]}

Polzik, E. S. ^{[4
]}

Zoller, P. ^{[1
,2
,3
]}

机构：

[1] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[2] Austrian Acad Sci, IQOQI, A-6020 Innsbruck, Austria

[3] Austrian Acad Sci, IQOQI, A-1090 Vienna, Austria

[4] Danish Res Fdn Ctr Quantum Opt, QUANTOP, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 02期

基金：

奥地利科学基金会;

关键词：

RADIATION-PRESSURE; QUANTUM; ENTANGLEMENT; CRITERION; MIRROR; LIGHT; BAND;

D O I：

10.1103/PhysRevLett.102.020501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We suggest interfacing nanomechanical systems via an optical quantum bus to atomic ensembles, for which means of high precision state preparation, manipulation, and measurement are available. This allows, in particular, for a quantum nondemolition Bell measurement, projecting the coupled system, atomic-ensemble-nanomechanical resonator, into an entangled EPR state. The entanglement is observable even for nanoresonators initially well above their ground states and can be utilized for teleportation of states from an atomic ensemble to the mechanical system.

引用

页数：4

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