IBM opens quantum processor of five qubits over the internet




IBM has announced an Internet service that allows users to experiment in state with a quantum processor with five qubits. Users can run on their PC or mobile device algorithms on the processor.

The Internet service is connected to the quantum processor in the IBM TJ Watson Research Center in New York. IBM has managed five qubits to be placed in a grid layout on a chip design and be able to read the ‘parity for error correction: ie measurement of the qubit consists of an even or odd number of particles. The manufacturer states in his laboratory all to entangle seven to ten qubits. “Soon we will be able to produce processors with forty to fifty qubits,” says IBM.

IBM quantum computer It is not clear how the company’s Internet service connects to the processor, which occurred in a laboratory at the experimental setup at temperatures up to several thousand above absolute zero -273.15 ° C.

The service is called Quantum Experience and anyone interested to try it out can sign up for an account, which you must indicate what your knowledge. IBM then invites participants for the service, but it is not known whether scientists get priority.

In a video IBM shows the interface of Quantum Experience, which among other things consists of a composer. The five lines that represent the qubits, users can drag gates to construct quantum algorithms, and then carry out a measurement. In the example used IBM Grover’s algorithm for searching using quantum systems. There are so far only a limited number of algorithms known where quantum computers can achieve huge speed gains, in addition to search huge databases that example in cryptography.

IBM hopes to give people the opportunity to experiment with algorithms to gain insight into the possibilities for other applications, such as machine learning and simulations of natural processes.

The processor that IBM’s commitment builds on research last year, when IBM showed simultaneously detect two errors and quantum measurement. At the same time, IBM demonstrated a scalable chip design for qubits. “We have in the past five years made more progress than in 20 years.”

In a quantum processor, the quantum state of particles is brought in superposition so that they are both part 1 a may represent, as a 0. By this entangling qubits created, and to link their condition so that they can no longer be described separately from one another, the option is to use the properties for calculations at your fingertips. This state is particularly sensitive to external influences. Exercising influence to count them and preserve the coherent quantum state is also the biggest challenge to IBM.

One reason for being able to offer the service seems to be related to the progress made with error correction. IBM says that for a working quantum computer errors really should be reduced to 1 per 100 tera-operations. Thanks frameworks for quantum error correction, however, it would be possible to make use of the calculations despite higher error rates such as 1 per 100 to 10,000.

IBM Quantum Experience
Update, 15:35: Standard Users can only access simulated results and cache results. Whoever completes a number of lessons, “units” get IBM: currency which can be rotated actual experiments. Users can choose to receive “free” results of previous experiments or run a new calculation. The amount of time that the calculation should be rotated determines how many units will cost. Scientists can apply to enter as Expert User. Users should be aware that their tests come in a queue and the processor for maintenance is not available. The actual processor IBM calls “Real Quantum Processor ‘but their functionality is limited. The company therefore enables users to deploy a ‘Ideal Quantum Processor’ which gives simulated outcomes.


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