First of all you can cook with them! You can prepare tea, you can cook vegetables. But also ions! To build a quantum computer you have many possibilities. In our case we use as our unit of information a beryllium ion. We trap it above a small chip similar to the ones you can find in modern computers. To operate on this information unit researchers typically use lots of lasers, which are the analogue of the electrical current in present-day computers. In our experiments, we use a more simple and compact microwave circuit. To drive simple operations is quite easy but for more complex ones you need to create a microwave with really specific properties which allows you to make different ions interact between each other. In my talk I will explain why this system is really interesting!
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