Google Quantum AI Breaks Ground: Unraveling the Mystery of Non-Abelian Anyons – Neuroscience News
Summary: For the first time, Google Quantum AI has observed the peculiar behavior of non-Abelian anyons, particles with the potential to revolutionize quantum computing by making operations more resistant to noise.
Non-Abelian anyons have the unique feature of retaining a sort of memory, allowing us to determine when they have been exchanged, even though they are identical.
The team successfully used these anyons to perform quantum computations, opening a new path towards topological quantum computation. This significant discovery could be instrumental in the future of fault-tolerant topological quantum computing.
Key Facts:
Source: Google Quantum AI
Our intuition tells us that it should be impossible to see whether two identical objects have been swapped back and forth, and for all particles observed to date, that has been the case. Until now.
Non-Abelian anyons the only particles that have been predicted to break this rule have been sought for their fascinating features and their potential to revolutionize quantum computing by making the operations more robust to noise.
Microsoft and others have chosen this approach for their quantum computing effort. But after decades of efforts by researchers in the field, observing non-Abelian anyons and their strange behavior has proven challenging, to say the least.
In apaperposted on the preprint server Arxiv.org last October andpublishedinNaturetoday, researchers at Google Quantum AI announced that they had used one of their superconducting quantum processors to observe the peculiar behavior of non-Abelian anyons for the first time ever.
They also demonstrated how this phenomenon could be used to perform quantum computations. Earlier this week the quantum computing company Quantinuum released another study on the topic, complementing Googles initial discovery.
These new results open a new path toward topological quantum computation, in which operations are achieved by winding non-Abelian anyons around each other like strings in a braid.
Google Quantum AI team member and first author of the manuscript, Trond I. Andersen says, Observing the bizarre behavior of non-Abelian anyons for the first time really highlights the type of exciting phenomena we can now access with quantum computers.
Imagine youre shown two identical objects and then asked to close your eyes. Open them again, and you see the same two objects. How can you determine if they have been swapped? Intuition says that if the objects are truly identical, there is no way to tell.
Quantum mechanics supports this intuition, but only in our familiar three-dimensional world. If the identical objects are restricted to only move in a two-dimensional plane, sometimes, our intuition can fail and quantum mechanics allows for something bizarre: non-Abelian anyons retain a sort of memory it is possible to tell when two of them have been exchanged, despite being completely identical.
This memory of the non-Abelian anyons can be thought of as a continuous line in space-time: the particles so-called world-line. When two non-Abelian anyons are exchanged, their world-lines wrap around one another. Wrap them in the right way, and the resulting knots and braids form the basic operations of a topological quantum computer.
The team started by preparing their superconducting qubits in an entangled quantumstate that is well represented as a checkerboard a familiar configuration for the Google team, who recentlydemonstrated a milestone in quantum error correctionusing this setup. In the checkerboard arrangement, related but less useful particles called Abelian anyons can emerge.
To realize non-Abelian anyons, the researchers stretched and squashed the quantum state of their qubits to transform the checkered pattern into oddly shaped polygons. Particular vertices in these polygons hosted the non-Abelian anyons.
Using aprotocoldeveloped by Eun-Ah Kim at Cornell University and former postdoc Yuri Lensky, the team could then move the non-Abelian anyons around by continuing to deform the lattice and shifting the locations of the non-Abelian vertices.
In a series of experiments, the researchers at Google observed the behavior of these non-Abelian anyons and how they interacted with the more mundane Abelian anyons.
Weaving the two types of particles around one another yielded bizarre phenomena particles mysteriously disappeared, reappeared and shapeshifted from one type to another as they wound around one another and collided.
Most importantly, the team observed the hallmark of non-Abelian anyons: when two of them were swapped, it caused a measurable change in the quantum state of their system a striking phenomenon that had never been observed before.
Finally, the team demonstrated how braiding of non-Abelian anyons might be used in quantum computations. By braiding several non-Abelian anyons together, they were able to create a well-known quantum entangled state called the Greenberger-Horne-Zeilinger (GHZ) state.
The physics of non-Abelian particles is also at the core of the approach that Microsoft has chosen for their quantum computing effort. While they are attempting to engineer material systems that intrinsically host these anyons, the Google team has now shown that the same type of physics can be realized on their superconducting processors.
This week the quantum computing company Quantinuum released an impressive complementary study that also demonstrated non-Abelian braiding, in this case using a trapped-ion quantum processor. Andersen is excited to see other quantum computing groups observing non-Abelian braiding as well.
He says, It will be very interesting to see how non-Abelian anyons are employed in quantum computing in the future, and whether their peculiar behavior can hold the key to fault-tolerant topological quantum computing.
Author: Katie McCormickSource: Google Quantum AIContact: Katie McCormick Google Quantum AIImage: The image is credited to Neuroscience News
Original Research: Open access.Non-Abelian braiding of graph vertices in a superconducting processor by Trond I. Andersen et al. Nature
Abstract
Non-Abelian braiding of graph vertices in a superconducting processor
Indistinguishability of particles is a fundamental principle of quantum mechanics. For all elementary and quasiparticles observed to dateincluding fermions, bosons and Abelian anyonsthis principle guarantees that the braiding of identical particles leaves the system unchanged.
However, in two spatial dimensions, an intriguing possibility exists: braiding of non-Abelian anyons causes rotations in a space of topologically degenerate wavefunctions. Hence, it can change the observables of the system without violating the principle of indistinguishability.
Despite the well-developed mathematical description of non-Abelian anyons and numerous theoretical proposals, the experimental observation of their exchange statistics has remained elusive for decades. Controllable many-body quantum states generated on quantum processors offer another path for exploring these fundamental phenomena.
Whereas efforts on conventional solid-state platforms typically involve Hamiltonian dynamics of quasiparticles, superconducting quantum processors allow for directly manipulating the many-body wavefunction by means of unitary gates.
Building on predictions that stabilizer codes can host projective non-Abelian Ising anyons, we implement a generalized stabilizer code and unitary protocolto create and braid them.
This allows us to experimentally verify the fusion rules of the anyons and braid them to realize their statistics. We then study the prospect of using the anyons for quantum computation and use braiding to create an entangled state of anyons encoding three logical qubits.
Our work provides new insights about non-Abelian braiding and, through the future inclusion of error correction to achieve topological protection, could open a path towards fault-tolerant quantum computing.
Go here to see the original:
Google Quantum AI Breaks Ground: Unraveling the Mystery of Non-Abelian Anyons - Neuroscience News
- D-Wave Stock Slips. Why Nvidias Quantum Computing Event Hurt the Shares. - Barron's - March 22nd, 2025 [March 22nd, 2025]
- Nvidia Is Going Big on Quantum Computing, and It Isnt Going It Alone - Barron's - March 22nd, 2025 [March 22nd, 2025]
- 6 Top Quantum Computing Stocks to Buy in 2025 - The Motley Fool - March 22nd, 2025 [March 22nd, 2025]
- Recommended Reading Evaluating the Performance of Quantum Process Units at Large Width and Depth - Quantum Computing Report - March 22nd, 2025 [March 22nd, 2025]
- When will quantum computing be available? It depends - TechTarget - March 22nd, 2025 [March 22nd, 2025]
- Quantum-computing stocks fall again as Jensen Huang and other CEOs temper expectations around the bleeding-edge tech: Not good enough yet for... - March 22nd, 2025 [March 22nd, 2025]
- Is quantum computing the future of tech and where to find investment opportunities By Investing.com - Investing.com - March 22nd, 2025 [March 22nd, 2025]
- Jensen Huang backpedals on remarks that sent quantum computing stocks spiraling - TechSpot - March 22nd, 2025 [March 22nd, 2025]
- D-Wave Introduces Quantum Blockchain Architecture, Featuring Enhanced Security and Efficiency over Classical Computing - Business Wire - March 22nd, 2025 [March 22nd, 2025]
- Nvidia CEO Jensen Huang says he was wrong about quantum computing. But he might be right - Quartz - March 22nd, 2025 [March 22nd, 2025]
- Nvidia will build accelerated quantum computing research center - VentureBeat - March 22nd, 2025 [March 22nd, 2025]
- Quantum Computing Stocks Jump Ahead Of Nvidia GTC Conference Next Week - Investor's Business Daily - March 18th, 2025 [March 18th, 2025]
- 5 wild things quantum computing could unlock now that Big Tech believes a breakthrough is within reach - Business Insider - March 18th, 2025 [March 18th, 2025]
- Want to Invest in Quantum Computing? 3 Stocks That Are Great Buys Right Now. - The Motley Fool - March 18th, 2025 [March 18th, 2025]
- How Quantum Computing And The Metaverse Will Transform Your Career - Forbes - March 18th, 2025 [March 18th, 2025]
- QUBT INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Quantum Computing Inc. Shareholders Have Opportunity to Lead Class Action... - March 18th, 2025 [March 18th, 2025]
- Cloudflare is already selling security tools for the quantum computing era - Quartz - March 18th, 2025 [March 18th, 2025]
- Norma and Neowiz Partner to Explore Quantum Computing and AI for Game Development - The Quantum Insider - March 18th, 2025 [March 18th, 2025]
- China to spend $55 billion on R&D in 2025 Semiconductor, AI and quantum computing fields to benefit - Tom's Hardware - March 18th, 2025 [March 18th, 2025]
- D-Wave Quantum leads massive rally in quantum computing stocks as its revenue outlook goes parabolic - Sherwood News - March 18th, 2025 [March 18th, 2025]
- Arqit leads quantum computing stocks higher ahead of Nvidia's GTC event - Seeking Alpha - March 18th, 2025 [March 18th, 2025]
- Quantum Computing (QUBT) to Release Earnings on Thursday - MarketBeat - March 18th, 2025 [March 18th, 2025]
- Nvidia's Jensen Huang to unveil cutting-edge AI and quantum computing processors - Firstpost - March 18th, 2025 [March 18th, 2025]
- Quantum Computing Just Took Another Giant Leap--What It Means for Investors - PR Newswire - March 18th, 2025 [March 18th, 2025]
- 4 Quantum Computing Stocks On Watch Today As GTC 2025 Kicks Off - Barchart - March 18th, 2025 [March 18th, 2025]
- The Gross Law Firm Reminds Quantum Computing Inc. Investors of the Pending Class Action Lawsuit with a Lead Plaintiff Deadline of April 28, 2025 -... - March 18th, 2025 [March 18th, 2025]
- Quantum Computing Market Size to Grow Worth USD 888.5 Million at - openPR - March 18th, 2025 [March 18th, 2025]
- China to spend $55 billion on R&D in 2025 Semiconductor, AI and quantum computing fields to benefit - MSN - March 18th, 2025 [March 18th, 2025]
- Nvidia GTC And Quantum Computing Drivers Of The Stock Market, Trump Put Fails But May Not Be Dead - Benzinga - March 18th, 2025 [March 18th, 2025]
- Google, Microsoft, and others are racing to crack open quantum computing. Here's how their breakthroughs stack up. - Business Insider - March 9th, 2025 [March 9th, 2025]
- Could Investing in This Quantum Computing Stock Be Like Buying Nvidia Prior to the Dawn of the Artificial Intelligence (AI) Revolution? - Yahoo... - March 9th, 2025 [March 9th, 2025]
- Inside The Quantum Computing Crash Triggered By Nvidia CEO And What His Upcoming 'Quantum Day' May Bring - Investor's Business Daily - March 9th, 2025 [March 9th, 2025]
- Rigetti Earnings Reveal the Risks and Rewards of Quantum Computing - Barron's - March 9th, 2025 [March 9th, 2025]
- 'Nanodot' control could fine-tune light for sharper displays and quantum computing - Phys.org - March 9th, 2025 [March 9th, 2025]
- 3 Quantum Computing Stocks to Buy on the Dip - 24/7 Wall St. - March 9th, 2025 [March 9th, 2025]
- How quantum computing is shaping the future of tech - Yahoo Finance - March 9th, 2025 [March 9th, 2025]
- AIST Strengthens Quantum Collaboration with ORCA Computing and Universal Quantum - Quantum Computing Report - March 9th, 2025 [March 9th, 2025]
- Microsofts Quantum Computing Breakthrough, Explained - The Dispatch - March 5th, 2025 [March 5th, 2025]
- Quantum Computing Startup Says Its Already Making Millions of Light-Powered Chips - Singularity Hub - March 5th, 2025 [March 5th, 2025]
- Quantum computing is creating the future heres how - USC Dornsife College of Letters, Arts and Sciences - March 5th, 2025 [March 5th, 2025]
- Why We Dont Have Real Quantum Computing Yet - Forbes - March 5th, 2025 [March 5th, 2025]
- QunaSys Joins 19.95M ($20.91M USD) EU Project to Advance Sustainable Battery Innovation with Quantum Computing - Quantum Computing Report - March 5th, 2025 [March 5th, 2025]
- Alice & Bob to Host Fault-Tolerant Quantum Computing Workshop with CEA - HPCwire - March 5th, 2025 [March 5th, 2025]
- Rigetti partners with Quanta to boost superconducting quantum computing development - DatacenterDynamics - March 5th, 2025 [March 5th, 2025]
- Quantum Computing Inc. Class Action Alert: Wolf Haldenstein Adler Freeman & Herz LLP reminds investors that a securities class action lawsuit has... - March 5th, 2025 [March 5th, 2025]
- Quantum computing startup says its already making millions of light-powered chips - StartupNews.fyi - March 5th, 2025 [March 5th, 2025]
- A quantum computing startup says it is already making millions of light-powered chips - Phys.org - March 3rd, 2025 [March 3rd, 2025]
- Superconducting Quantum Computing Beyond 100 Qubits - Physics - March 3rd, 2025 [March 3rd, 2025]
- How IBM CEO Arvind Krishna Is Thinking About AI and Quantum Computing - TIME - March 3rd, 2025 [March 3rd, 2025]
- Webinar | 27 March 2025 | Quantum computing: The future of finance are you ready for Q-Day? - FinTech Futures - March 3rd, 2025 [March 3rd, 2025]
- 3 Quantum Computing Stocks To Buy As Microsoft Announces Major Breakthrough - Barchart - March 3rd, 2025 [March 3rd, 2025]
- WT 360: Inside the governments quantum computing push - Washington Technology - March 3rd, 2025 [March 3rd, 2025]
- INVESTOR ALERT: Pomerantz Law Firm Announces the Filing of a Class Action Against Quantum Computing Inc. and Certain Officers - QUBT - PR Newswire - March 3rd, 2025 [March 3rd, 2025]
- Amazon unveils Ocelot, its first quantum computing chip - The Guardian - March 3rd, 2025 [March 3rd, 2025]
- Industry Weighs in on AWS Quantum Computing Chip - IoT World Today - March 3rd, 2025 [March 3rd, 2025]
- Startup PsiQuantum says it is making millions of quantum computing chips - Yahoo - March 1st, 2025 [March 1st, 2025]
- IonQs Earnings Hit the Stock. Quantum Computing Rivals D-Wave and Rigetti Are Down Too. - Barron's - March 1st, 2025 [March 1st, 2025]
- Interested in Quantum Computing Investing? Here Are 4 Fantastic Picks to Maximize Your Odds of Picking a Winner - Nasdaq - March 1st, 2025 [March 1st, 2025]
- Want to Invest in Quantum Computing? 2 Stocks That Are Great Buys Right Now - The Motley Fool - March 1st, 2025 [March 1st, 2025]
- 3 Reasons Why Microsoft Is the New King of Quantum Computing With Majorana 1 - The Motley Fool - March 1st, 2025 [March 1st, 2025]
- QUBT INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Quantum Computing Inc. Investors with Substantial Losses Have Opportunity to... - March 1st, 2025 [March 1st, 2025]
- Quantum Computing (NASDAQ:QUBT) Trading 0.4% Higher - Here's What Happened - MarketBeat - March 1st, 2025 [March 1st, 2025]
- Why Quantum Computing Stock IonQ Dropped Today - The Motley Fool - March 1st, 2025 [March 1st, 2025]
- Prediction: These 2 Quantum Computing Stocks Will Be the Biggest AI Winners of 2025 - Yahoo Finance - February 20th, 2025 [February 20th, 2025]
- 4 AI Stocks to Watch in the Quantum Computing Revolution - The Motley Fool - February 20th, 2025 [February 20th, 2025]
- Quantum Watch: 3 Quantum Computing Startups Set to Disrupt the Industry - TipRanks - February 20th, 2025 [February 20th, 2025]
- D-Wave, IonQ and Quantum Computing Stocks Pop: What's Driving the Momentum? - Benzinga - February 20th, 2025 [February 20th, 2025]
- Microsoft quantum breakthrough promises to usher in the next era of computing in 'years, not decades' - GeekWire - February 20th, 2025 [February 20th, 2025]
- Microsoft claims practical quantum computing could be ready in 'years rather than decades' with new computer chip - Fortune - February 20th, 2025 [February 20th, 2025]
- Microsoft unveils chip it says could bring quantum computing within years - The Guardian - February 20th, 2025 [February 20th, 2025]
- Microsoft created a new type of matter for its quantum computing chip - Quartz - February 20th, 2025 [February 20th, 2025]
- Kipu Quantum and IBM Introduce New Optimization Function in Qiskit Functions Catalog - Quantum Computing Report - February 20th, 2025 [February 20th, 2025]
- Microsoft reveals its first quantum computing chip, the Majorana 1 - MSN - February 20th, 2025 [February 20th, 2025]
- How Microsoft is rewriting the rules of reality with quantum computing - Interesting Engineering - February 20th, 2025 [February 20th, 2025]
- Microsoft Makes Quantum Computing Breakthrough With New Chip - The New Stack - February 20th, 2025 [February 20th, 2025]
- Should the Government Fund a Manhattan Project for Quantum Computing? - Built In - February 20th, 2025 [February 20th, 2025]
- This Quantum Computing Stock Just Announced a Key New Sales Strategy and Its First Customer - Barchart - February 20th, 2025 [February 20th, 2025]
- HPE launches slew of Xeon-based Proliant servers which claim to be impervious to quantum computing threats - TechRadar - February 20th, 2025 [February 20th, 2025]
- Quantum Computing (NASDAQ:QUBT) Trading Down 4% - Here's What Happened - MarketBeat - February 20th, 2025 [February 20th, 2025]
- 4 AI Stocks to Watch in the Quantum Computing Revolution - MSN - February 20th, 2025 [February 20th, 2025]