Quantum computing records

Question

I'd like to gather answers pertaining to the current records for quantum computing, i.e. the following questions:

1) What is the current record number of entagled qubits (has it surpassed 14 http://arxiv.org/pdf/1009.6126.pdf)?

2) What is the longest storage time of a qubit at room temperature (does 39 minutes still hold http://www.nature.com/nature/journal/v503/n7476/full/503314c.html)?

3) What is the longest storage of a qubit at any temperature?

For the purposes of this post, I'd prefer to leave the D-Wave computers out of the answers. This question is meant as an update and generalization of How many stabilised qubits have been achieved in Quantum Computing? And to provide further depth than just a timeline https://en.wikipedia.org/wiki/Timeline_of_quantum_computing

This post imported from StackExchange Physics at 2014-03-18 02:52 (UCT), posted by SE-user sunspots

Comments

This is not an answer to either of your four specific questions, but this recent paper arxiv.org/abs/1402.4848 achieved, if I am not mistaken, record single-qubit and two-qubit gate fidelities.

This post imported from StackExchange Physics at 2014-03-18 02:52 (UCT), posted by SE-user Juan Miguel Arrazola

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outside q-computing emulations and if you ignore d-wave, no, there is no advertised technological progress since 2013 while hundreds of engineers work on. The way taken by d-wave puzzles ...