A DIFFERENT QUBIT A #quantumsimulator isn’t a full-blown #quantumcomputer, let’s get that out first. The main difference is that the former is built to solve only one equation model while the latter is able to perform — theoretically — any equation put to it. This quantum simulator could model, for example, the minute behavior of molecules and drugs, and researchers working Harvard University recently announced that they’ve made the largest one yet, operating with 51 qubits.  Click to View Full Infographic Lead researcher Mikhail Lukin, co-founder of the Russian Quantum Center (RQC), spoke of this achievement in Moscow at the 2017 International Conference on Quantum Technologies. Lukin’s team, composed of both American and Russian scientists, built this quantum simulator using a different type of quantum bit or qubit. Instead of using photons like many quantum computer researchers do, the Harvard team’s qubits are each made from a single rubidium atom. Trapped in place using lasers, information is programmed into these qubits by modulating the laser beam. A MODEL FOR QUANTUM COMPUTERS Qubits are at the heart of quantum computing. While conventional computers rely on bits of 0s and 1s to process information, quantum computers use qubits, each of which are capable of being a 0 or 1 at the same time. This allows quantum computers to handle information faster. The difficulty is in keeping the qubits stable. Currently, #Google is working on what could be the largest #quantumcomputer, which would run on a 49-#qubit chip. #Lukin ’s quantum simulator beats that with 51 qubits. While the simulator is designed to handle one problem at a time, the method used could translate into a full-blown quantum computer.
https://futurism.com/this-51-qubit-simulator-could-be-the-key-to-a-full-blown-quantum-computer/
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