A breakthrough in quantum computing that could threaten crypto is still years away, but a new chip from Microsoft might have shortened that timeline, says Bitcoin platform River.
Category: computing – Page 35
‘Quantum Supremacy’ author Dr. Michio Kaku discusses the future of quantum computing on ‘Making Money.’ #foxbusiness #makingmoney.
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Quantum computing will never be the same again. Join host Konstantinos Karagiannis for a special onsite interview at Microsoft Azure Quantum labs, where he was invited to see the launch of Majorana 1, the world’s first quantum processor powered by topological qubits. On the day this episode is posted, Nature will release a paper validating how Microsoft was able to create a topoconductor, or new material stack of indium arsenide and aluminum, built literally one atom at a time, to bring quantum particles called Majoranas into usable form. The resulting topological qubits have a unique shape called a tetron and can be accurately measured with lower errors than other modalities. Starting with a 4×2 grid of qubits, this same tiny device will hold 1 million qubits in a few years because of its unique system of wiring and measurement. This interview with Chetan Nayak from Microsoft happened a few feet away from a working Majorana 1 system.
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Visit Microsoft Azure Quantum here to learn about quantum computing for free https://quantum.microsoft.com/?ocid=2… https://quantum.microsoft.com/en-us/e… Topological quantum computing is a brand new form of quantum computing being developed by Microsoft as they enter the race to build the world’s first useful quantum computer. In this video I visited Microsoft’s quantum labs to see how they are making their topological quantum computers and learn how topology helps their quantum devices avoid noise by harnessing the power of Majorana quasiparticles which are made from an exotic form of superconductivity where the electrons behave like there is a Majorana particle there which has the special properties of topology.
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/ dominicwalliman Credits Writer, art, animation and edited by Dominic Walliman I use Adobe Illustrator and After Effects for the graphics (for the many people who ask smile References “InAs-Al hybrid devices passing the topological gap protocol” https://journals.aps.org/prb/abstract… “A cryogenic CMOS chip for generating control signals for multiple qubits” https://www.nature.com/articles/s4192… Topological qubit noise levels — “Assessing requirements to scale to practical quantum advantage” chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/ https://arxiv.org/pdf/2211.07629 Chapters 00:00 Topological Quantum Computing 02:01 Topology Explained 04:47 Resilience to Noise 05:51 Anatomy of a Quantum Computer 07:05 Chip Fabrication and Lab Tour 09:41 How to Build a Quantum Computer 11:21 Topological Quantum Computing Lego Explainer 15:40 Microsoft’s Results 17:50 Majorana Particle Explained 21:31 Sponsor Message 23:03 Thanks Patrons!
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Quantum computers, which operate leveraging quantum mechanics phenomena, could eventually tackle some optimization and computational problems faster and more efficiently than their classical counterparts. Instead of bits, the fundamental units of information in classical computers, quantum computers rely on qubits (quantum bits), which can be in multiple states at once.
Silicon-based quantum dots, semiconductor-based structures that trap individual electrons, have been widely used as qubits, as the spin state of the electrons they confine can be leveraged to encode information. Despite their promise, many quantum computers developed so far are susceptible to decoherence, which entails the disruption of qubit states due to their interaction with the surrounding environment.
Researchers at the University of Rochester recently set out to experimentally realize a so-called nuclear-spin dark state, a condition that has been theorized to improve the performance of quantum computers, suppressing undesirable interactions and thus reducing decoherence. Their paper, published in Nature Physics, demonstrates the potential of this state for reducing decoherence in quantum systems and thus potentially improving control over quantum information processing.
Northwestern University researchers have identified structural features in engineered cell receptors that correlate with variations in receptor function.
Computational protein structure prediction tools were used to analyze a library of synthetic receptors, revealing that specific structural attributes such as ectodomain (ECD) distance and transmembrane domain (TMD) interactions are associated with receptor performance.
Engineered cell therapies rely on synthetic receptors to transduce external signals into intracellular responses. The precise relationship between receptor structure and function remains poorly understood. Advances in protein structure prediction tools, such as AlphaFold and ColabFold, have enabled the modeling of complex proteins, including single-pass transmembrane receptors.
In a leap forward for quantum computing, a Microsoft team led by UC Santa Barbara physicists on Wednesday unveiled an eight-qubit topological quantum processor, the first of its kind. The chip, built as a proof-of-concept for the scientists’ design, opens the door to the development of the long-awaited topological quantum computer.
“We’ve got a bunch of stuff that we’ve been keeping under wraps that we’re dropping all at once now,” said Microsoft Station Q Director Chetan Nayak, a professor of physics at UCSB and a Technical Fellow for Quantum Hardware at Microsoft. The chip was revealed at Station Q’s annual conference in Santa Barbara, and accompanies a paper published in the journal Nature, authored by Station Q, their Microsoft teammates and a host of collaborators that presents the research team’s measurements of these new qubits.
“We have created a new state of matter called a topological superconductor,” Nayak explained. This phase of matter hosts exotic boundaries called Majorana zero modes (MZM) that are useful for quantum computing, he explained. Results of rigorous simulation and testing of their heterostructure devices are consistent with the observation of such states. “It shows that we can do it, do it fast and do it accurately,” he said.
In a groundbreaking study, scientists developed new ways to control atom collisions using optical tweezers, offering insights that could advance quantum computing and molecular science. By manipulating light frequencies and atomic energy levels, they mapped out how specific atomic characteristics influence collision outcomes, paving the way for more precise quantum manipulation.
Intel’s 18A Process Reportedly Comes With SRAM Density On-Par With TSMC’s N2; Team Blue Gearing Up For A Phenomenal Comeback
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Intel’s 18A is said to report an SRAM density equal to that of TSMC’s N2 process, signaling a massive breakthrough for the IFS and its semiconductor ambitions.
Intel’s 18A Process Is a “Special” One, Credits To Implementations Such As BSPDN Along With Years of R&D Behind It
Well, it seems like now might be the time to be bullish on the future of Intel’s chip plans, since the latest reports are clearly indicating that the momentum is shifting towards Team Blue. Following the political backing of the Trump administration, it is now disclosed via ISSCC sessions (via Ian Cutress) that both TSMC and Intel’s cutting-edge processes are rivaling each other in SRAM densities, showing that the gap has been narrowed down significantly, at least in one of the important aspects.
As the fundamental flaw of today’s quantum computers, improving qubit stability remains the focus of much research in this field. One such stability attempt involves so-called topological quantum computing with the use of anyons, which are two-dimensional quasiparticles. Such an approach has been claimed by Microsoft in a recent paper in Nature. This comes a few years after an earlier claim by Microsoft for much the same feat, which was found to be based on faulty science and hence retracted.
The claimed creation of anyons here involves Majorana fermions, which differ from the much more typical Dirac fermions. These Majorana fermions are bound with other such fermions as a Majorana zero mode (MZM), forming anyons that are intertwined (braided) to form what are in effect logic gates. In the Nature paper the Microsoft researchers demonstrate a superconducting indium-arsenide (InAs) nanowire-based device featuring a read-out circuit (quantum dot interferometer) with the capacitance of one of the quantum dots said to vary in a way that suggests that the nanowire device-under-test demonstrates the presence of MZMs at either end of the wire.
Microsoft has a dedicated website to their quantum computing efforts, though it remains essential to stress that this is not a confirmation until their research is replicated by independent researchers. If confirmed, MZMs could provide a way to create more reliable quantum computing circuitry that does not have to lean so heavily on error correction to get any usable output. Other, competing efforts here include such things as hybrid mechanical qubits and antimony-based qubits that should be more stable owing to their eight spin configurations.