%0 Generic %1 Fröwis2010 %A Fröwis, F. %A Dür, W. %D 2010 %K entanglement macroscopicQM %T Stable macroscopic quantum superpositions %U http://arxiv.org/abs/1012.4472 %X We study the stability of superpositions of macroscopically distinct quantum states under decoherence. We introduce a class of quantum states with entanglement features similar to Greenberger-Horne-Zeilinger (GHZ) states, but with an inherent stability against noise and decoherence. We show that in contrast to GHZ states, these states remain multipartite entangled even for macroscopic numbers of particles and can be used for quantum metrology in noisy environments. We also propose a scalable experimental realization of these state using existing ion trap set-ups.

@misc{Fröwis2010, abstract = { We study the stability of superpositions of macroscopically distinct quantum states under decoherence. We introduce a class of quantum states with entanglement features similar to Greenberger-Horne-Zeilinger (GHZ) states, but with an inherent stability against noise and decoherence. We show that in contrast to GHZ states, these states remain multipartite entangled even for macroscopic numbers of particles and can be used for quantum metrology in noisy environments. We also propose a scalable experimental realization of these state using existing ion trap set-ups. }, added-at = {2010-12-22T10:09:43.000+0100}, author = {Fröwis, F. and Dür, W.}, biburl = {https://www.bibsonomy.org/bibtex/27312c7ef342654c73b0147346259129c/noswpat}, description = {Stable macroscopic quantum superpositions}, interhash = {d90a6e24575378f3bc995836debc2c36}, intrahash = {7312c7ef342654c73b0147346259129c}, keywords = {entanglement macroscopicQM}, note = {cite arxiv:1012.4472 Comment: 4 pages, 3 figures}, timestamp = {2010-12-22T10:09:43.000+0100}, title = {Stable macroscopic quantum superpositions}, url = {http://arxiv.org/abs/1012.4472}, year = 2010 }