Q+ Hangout: Ivette Fuentes


Q+ Hangout

We'd like to announce the next Q+ hangout and hope to see you there!

As usual, we will reserve space in the hangout itself for those watching as a group. Comment below to reserve a seat. The talk will be livestreamed for everyone else.

Ivette Fuentes
University of Nottingham
Title: Quantum information processing in spacetime

Cutting-edge experiments in quantum communications are reaching regimes where relativistic effects can no longer be neglected. For example, there are advanced plans to use satellites to implement teleportation and quantum cryptographic protocols. Relativistic effects can be expected at these regimes: the Global Positioning System (GPS), which is a system of satellites that is used for time dissemination and navigation, requires relativistic corrections to determine time and positions accurately.
Therefore, it is timely to understand what are the effects of gravity and motion on entanglement and other quantum properties exploited in quantum information.
In this talk I will show that entanglement can be created or degraded by gravity and non-uniform motion. While relativistic effects can degrade the efficiency of teleportation between moving observers, the effects can also be exploited in quantum information. I will show that the relativistic motion of a quantum system can be used to perform quantum gates. Our results, which will impact future space-based experiments, can be demonstrated in table-top experiments using superconducting circuits.

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