news & Things

Breakthrough For Scalable Quantum Computing

04th Apr 2022

Microsoft’s pursuit of a working, scalable quantum computer has hit a breakthrough, according to researchers.

 

Current working quantum computers of competitors include a small number of qubits (the current record of qubits is held at 200) and Microsoft, unlike IBM, Honeywell and Google, has researched more in-depth into topological qubits in the hope of improving scalability.

The possibility of scaling quantum computing has been an enormous task for researchers to develop due to the highly receptive nature of qubits and the fact they’re sensitive to any and all hardware faults. These faults cause decoherence of quantum entanglement and are quite the barrier for scaling up a quantum computer – it’s thought that you’d need a few thousand qubits for a general-purpose quantum computer to ensure long-term stability.

The current theory goes that topological qubits are more stable than traditional ones, such as those created by trapped ion technologies – and this stability is caused by symmetries in the supporting material. Microsoft is experimenting with superconducting wires of a variety of materials since it’s thought that devices with these qubits implemented will be more fault-tolerant. compact and users will see a reduction in loss of performance. Until now, no one had been able to bring these qubits into the real world.

However, it appears Microsoft has been able to crack open the required underlying physics.

According to a blog post, a team led by Dr Chetan Nayak at Microsoft, the researchers have demonstrated that the groundwork of physics behind topological qubits are sound and that they’ve observed a ‘topological gap’ large enough to prove their point.

 

What is a topological gap?

It is a measurement of the stability of a qubit while it is in its topological state and capable of being used for computation. While this sounds simple enough, it’s hard to identify the qubits that are in their topological state (using standard probes) so it’s a major breakthrough for Microsoft to have been able to achieve this identification with superconducting wires, and applying models that simulate common faults in the superconducting materials used to create the qubits.

The blog also says:

“Our team has measured topological gaps exceeding 30 μeV,”

“This is more than triple the noise level in the experiment and larger than the temperature by a similar factor. This shows that it is a robust feature. This is both a landmark scientific advance and a crucial step on the journey to topological quantum computation.”

Despite this being a simulated result, and no topological qubit has been produced, the researchers insist that the results remain valid and have been verified by independent consultants.

Phase one, the theoretical underpinnings of topological qubits, has been demonstrated so it’s time for researchers to move onto the next phase – creating them in the lab to verify thet do indeed have the stability and speed advantages that the maths predict.

the post concludes:

“We believe ultimately it will power a fully scalable quantum machine in the future, which will, in turn, enable us to realise the full promise of quantum to solve the most complex and pressing challenges our society faces,”

More news & Things

More news & Things


Chloe Smith in NonProfit

Initiatives Underway to Improve Diversity In Environmental Workforce In The UK

Steps are being taken in the UK’s sustainability and environment professions to address the lack of diversity, as it stands less than 5% of professionals in organisations within the sector identify as being from minority ethnic backgrounds. The steps involve a data drive, asking the UK’s environmental NGOs and charities to annually report on the […]


Chloe Smith in Health Sector

Billions To Be Raised By Health And Social Care Levy, Massive Reforms To Adult Social Care Underway

COVID backlogs and reforms to adult social care underway with the Health and Social Levy implemented to raise billions. The Health and Social Care Levy has commenced from Wednesday 6th April in order to raise the billions needed for the COVID backlog, as well fund reforms to routine services. In total, £39billion will be implemented […]


Chloe Smith in CENTRAL GOVERNMENT

NATO Identifies Emerging And Disruptive Technologies – UK To Headquarter The Defence Innovation Hub

NATO to implement the DIANA programme to maintain technological advantage: UK and Estonia to partner on the programme. Critical technologies will be seeing transatlantic cooperation, as the UK is set to be the host of the European HQ of the Defence Innovation Accelerator (DIANA), a programme set for NATO allies to accelerate, test, evaluate and […]


Chloe Smith in Transport

New Bus Scheme Set To Increase Public Transport Use by 10%

20% to 40% ticket price reduction on Cornish buses backed by £23.5m government grant A pilot of cut-fare prices has begun in Cornwall, allowing residents and visitors to enjoy cheaper prices around the far south-west of England. The county has benefitted from a ticket price reduction of between 20% and 40% to incentivise more people […]


Chloe Smith in NonProfit

Legal Proceedings Issued After National Lottery Licence Announcement

For the first time since The National Lottery started, Camelot will not be Preferred Applicant for the National Lottery licence.   A legal battle has been issued by National Lottery operator, Camelot, against the Gambling Commission after it was revealed that Allwyn Entertainment UK was its Preferred Applicant for the fourth National Lottery licence – […]


Chloe Smith in Tech

What Is Colocation And Why Are Datacentres Being Built On Sewage Plants?

Datacentres could be made more environmentally friendly if collocated with sewage treatment plants, suggests Tomorrow Water.   The idea is that heated water from a datacentre can be used to boost wastewater processing, and some of the treated water can then become the cooling water for the datacentre. The arrangement cuts the energy process required […]


Send us a Message






    Call cloudThing
    0121 393 4700
    DEVELOP • DYNAMICS • DEVOPS • DATA
    By pressing send you agree to our Terms & Conditions