#Topological Quantum Computer

[sohaibsmart]

Amazon execs doubt Microsoft's quantum computing breakthrough

In This Story Final month, Microsoft (MSFT-1.51%) introduced that it created a brand new state of matter for its first quantum computing chip — a declare that Amazon (AMZN-1.15%) is reportedly not offered on. Trump freezes his 25% tariffs on Mexican imports for one month The identical day that Microsoft unveiled its Majorana 1 quantum computing chip, Amazon’s head of quantum applied sciences,…

[averycanadianfilm]

A discussion with Sankar Das Sarma and Chetan Nayak

Mar 14, 2022

Dr. Sankar Das Sarma, a Distinguished University Professor of physics at University of Maryland joins Chetan Nayak, Distinguished Engineer of Quantum at Microsoft to discuss Microsoft’s unique approach to building a fully scalable quantum machine.

[onlytiktoks]

https://www.wsj.com/science/physics/microsoft-quantum-computing-physicists-skeptical-d3ec07f0

[frank-olivier]

The Topological Advantage: How Anyons Are Changing Quantum Computing

The field of quantum computing has experienced a significant paradigm shift in recent years, with the emergence of topological quantum computing as a promising approach to building practical quantum computers. At the heart of this new paradigm is the concept of anyons, quasiparticles that exhibit non-Abelian statistics in two-dimensional spaces. First proposed by physicist Frank Wilczek in 1982, anyons have been extensively studied and experimentally confirmed in various systems.

The discovery of anyons and their unique properties has opened up new avenues for quantum computing, enabling the development of fault-tolerant quantum gates and scalable quantum systems. The topological properties of anyons make them well-suited for creating stable qubits, the fundamental units of quantum information. The robustness of these qubits stems from their topological characteristics, which are less susceptible to errors caused by environmental disturbances.

One of the most significant advantages of topological quantum computing is its inherent error resistance. The robust nature of anyonic systems minimizes sensitivity to local perturbations, reducing the need for complex error correction codes and facilitating scalability. Michael Freedman and colleagues first demonstrated this concept in 2003, and it has since been extensively studied.

The manipulation of anyons through braiding, where anyons are moved around each other in specific patterns, implements quantum gates that are inherently fault-tolerant. This concept was first introduced by Alexei Kitaev in 1997, and has since been extensively studied. The topological nature of braiding ensures that operations are resistant to errors, as they rely only on the topology of the braiding path, not its precise details.

Topological quantum computing has far-reaching potential applications, with significant implications for cryptography, material science, and quantum simulations. Topological quantum computing enables enhanced security protocols, insights into novel states of matter, and more efficient simulations of complex quantum systems.

Prof. Steve Simon: Topological Quantum Computing (University of Waterloo, June 2012)

Part 1

Part 2

Tuesday, October 8, 2024

[manmishra]

🚀💻 Microsoft Unveils Majorana 1 Quantum Processor! 💡⚛️ A giant leap in Quantum Computing with Topological Qubits! 🌌🧠 ✅ Faster Processing ⚡ ✅ Fewer Errors 🛡️ ✅ Scalable Quantum Power 💽 This could revolutionize AI 🤖, Healthcare 💊, Cybersecurity 🔐, and more! 💯🔥 👉 Are we stepping into a Quantum Future? 🤯🔮 #Microsoft #QuantumComputing #FutureTech #AI #Majorana1 💻⚛️

[diagnozabam]

Microsoft lansează Majorana 1: Primul procesor cuantic bazat pe qubiți topologici

Pe 19 februarie, Microsoft a făcut un anunț revoluționar în domeniul tehnologiei cuantice: lansarea Majorana 1, primul procesor cuantic din lume bazat pe qubiți topologici. Acest procesor utilizează fermioni Majorana, particule speciale care sunt, în esență, atât particule, cât și antiparticule. Aceste descoperiri deschid un nou capitol în cursa pentru dezvoltarea calculatoarelor cuantice…

[ronaldvanloonn]

World’s First Quantum Processor With Topological Qubits

Quantum computing just hit a new milestone! Microsoft’s Majorana 1 is the first quantum processor powered by topological qubits, designed to scale up to a million qubits. We’re moving from theory to reality – fast. Watch now! Learn more: https://bit.ly/3EKFVuD #MSFTAmbassador @Microsoft #Microsoft #QuantumReady #MicrosoftQuantum #QuantumComputing from Ronald van Loon…

[questioning-my-identity-element]

as someone with a passing knowledge of knot theory & a dilettante interest in math I'm really interested in the behavior/rules of those graphs, could you talk a little more about them?

this is my first ask! and it's on my research!!! i still do research in this area. i am getting my phd in topological quantum computation. i saw someone else talk about categorical quantum in response to the post. as i understand, this is a related but distinct field from quantum algebra, despite both using monoidal categories as a central focus.

if you're familiar with knot theory, you may have heard of the jones polynomial. jones is famous for many things, but one of which is his major contributions to the use of skein theory (this graphical calculus) in quantum algebra, subfactor theory, and more.

For an reu, i made an animation of how these diagrams, mostly for monoidal categories, work:

https://people.math.osu.edu/penneys.2/Synoptic.mp4

to add onto the video, in quantum algebra, we deal a lot with tensor categories, where the morphisms between any two objects form a vector space. in particular, since these diagrams are representing morphisms, it makes sense to take linear combinations, which is what we saw in the post. moreover, any relationships you have between morphisms in a tensor category, can be captured in these diagrams...for example, in the fusion category Fib, the following rules apply (in fact, these rules uniquely describe Fib):

thus, any time, these show up in your diagrams, you can replace them with something else. in general, this is a lot easier to read than commutative diagrams.

[materialsscienceandengineering]

Theoretical analysis broadens the search for topological superconductivity

Exotic superconducting states could exist in a wider range of materials than previously thought, according to a theoretical study by two RIKEN researchers published in Physical Review B. Superconductors conduct electricity without any resistance when cooled below a critical temperature that is specific to the superconducting material. They are broadly classified into two types: conventional superconductors whose superconducting mechanism is well understood, and unconventional superconductors whose mechanism has yet to be fully determined. Superconductors have intrigued scientists since their first experimental demonstration at the beginning of the 20th century. This is not just because they have numerous applications, including great promise for quantum computing, but also because superconductors host a rich range of fundamental physics that has allowed physicists to gain a deeper understanding of material science.

Read more.

[minmin-vs-physics]

Min vs FA24

Now that I'm officially a college senior, I thought a post of what I will be up to is in order. (Especially since I was absconding last week) Gonna take some hard hitters for classes this semester, pray for me.

Intro to General Relativity: FINALLY. I've been waiting for this since before I was a physics major. I know it's gonna be good since my QM prof from last sem is teaching it. (Lowkey wanna switch to the grad version because my QM prof from last sem is teaching it)

Relativistic Quantum Field Theory: Another scary class but still highly anticipated! I've basically been doing QFT all summer, but the class is scarier because formalism. Of course, it will unlock some doors in particle theory.

Statistical Thermodynamics: lowkey im most nervous about this one. another beast of a topic in physics and i rlly want to learn it but idk we don't talk abt it much??? (except abt how much we're dreading it) the whole cohort will come together for this one.

Intro to Sociocultural Anthropology: always gotta throw one curveball in the schedule. not much to say bc im just taking it for a gen ed req.

Computational Physics: I should drop this bc taking four physics classes in grad apps season is kinda overkill. i wanted the lightest sem i could make but still ended up w this kraken. but no math class! (i had to pry out topology) this is the first and only semester i won't have a math class. in addition to courseload i also have

TAing for a CS class: ik my way around it so its not a problem but its still a time sink

TAing for a QM class: this is smth i def just do for the love of it, so another time sink basically but i look forward to it

Research: gotta work on that thesis y'all. i wanna make smth good out of it in time.

Physics GRE: broccoli on my plate

Grad Apps: waking nightmare. but it'll be fine i can drop out and become a finance bro.

but i also wanna make memories with all the other seniors because what? how are we seniors? (im writing this after going stargazing with my friends on a school night.)

[darkmaga-returns]

Microsoft CEO Satya Nadella announced that his company has developed an “entirely new state of matter” that will fundamentally change the computing industry.

Nadella made the claim Wednesday on X, saying that the discovery would power a new Microsoft product making a meaningful quantum computer available “not in decades, as some have predicted, but in years.”

Nadella added, “Imagine a chip that can fit in the palm of your hand yet is capable of solving problems that even all the computers on Earth today combined could not!”

According to The Washington Times, “Quantum computers are expected to solve problems exponentially faster than classical computers through the forthcoming machines’ usage of the properties of entanglement, interference, and superposition to complete calculations.”

Nadella stated:

“Most of us grew up learning there are three main types of matter that matter: solid, liquid, and gas. Today, that changed. After a nearly 20-year pursuit, we’ve created an entirely new state of matter, unlocked by a new class of materials, topoconductors, that enable a fundamental leap in computing.”

The new state of matter is “topological,” according to Microsoft.

[wireless-wonders-uk]

Microsoft Unveils Majorana 1: A Quantum Computing Breakthrough

Microsoft has announced a major advancement in quantum computing with the launch of its first quantum computing chip, Majorana 1. This breakthrough follows nearly two decades of research in the field and is a crucial step toward the company's goal of developing large-scale quantum computers. The company claims that in order to create this chip, it had to engineer an entirely new state of matter, which it refers to as a topological state. This new state of matter is key to the stability and efficiency of quantum computing, which has long faced challenges due to the fragile nature of qubits.

Topological Qubits – The chip contains eight topological qubits, which provide higher stability compared to conventional qubits used by competitors like Google and IBM.Exotic Material Composition – The chip is built using indium arsenide (a semiconductor) and aluminum (a superconductor), helping to create the necessary environment for quantum behavior.Atom-by-Atom Engineering – Microsoft had to precisely align atoms to achieve the required conditions for a topological state, making this a significant materials science achievement.

[the-framed-maelstrom]

The state of exception is not merely a disruption of spacetime coordinates but a complex topological configuration—a manifold where the distinction between the exceptional state (e.g., noise or decoherence) and the rule (e.g., coherent quantum evolution), as well as the state of nature (e.g., unencoded physical qubits) and law (e.g., fault-tolerant logical qubits), or outside (e.g., local perturbations) and inside (e.g., global topological protection), become braided into one another. This topological zone of indistinction—where non-Abelian anyons entwine error and stability into a unified braid, obscured from classical computational scrutiny—must be precisely captured and analyzed under our theoretical and experimental gaze to realize fault-tolerant quantum computation.

Giorgio Agamben: The Logic of Sovereignty (Alexei Kitaev Narration)

[smugpugchimera]

Early last spring, I got an idea for my Divine rebellion setting to work on the pantheon there based on quantum theory and elemantery particles (or specifically the fundamental forses and feilds that carry them) as inspiration. Recently, I also stumbled on interesting philosophical take on consciousness as being in some way a product of quantum interactions. It's not a new idea, and pretty waky at that, but interestingly there're has been a recent study that way point to quantum processes occuring in microtubulans that are a common and very vercitile molecule involved in function of organisms and are especially abundant in the brain. Those effects may actually have involvement in neural computation. That does not rly prove anything in regards to consciousness being tied to quantum processes, but it's fascinating to find out that quantum behavior can persist on such a large scale. It's also a great inspo for writing, and ties up very nicely to existing concepts I set to explore. Some may also remember that post where I dreamed about etheric beings that consist of extradimentional loops and knots of varying topologies. Kinda thinking it fits for angels. They're kinda quantum fields assists and may have chanding alliance to different divine entities throughout history, which is also a good source of drama 🤌

Idk just sharing to get my brain stering cause I've been sleeping on this setting, the amount of research reading I need to do for it is a bit overwhelming, especially history, cause I was never very good at it, but it's also very interesting.

[frank-olivier]

Quantum Simulation: A Frontier in Scientific Research

Quantum simulation, a burgeoning field in modern physics, leverages the unique properties of quantum systems to replicate and investigate the behavior of other complex quantum systems. This approach offers a powerful tool to study intricate quantum phenomena that are otherwise challenging to analyze using classical computational methods or experimental setups. By harnessing the principles of quantum mechanics, quantum simulation enables researchers to explore parameter spaces inaccessible to classical simulations and gain unique insights into the underlying physics.

One of the primary platforms for quantum simulation is ultracold atomic gases, cooled to temperatures close to absolute zero. The low temperatures and high phase-space density of these systems allow for the study of individual atoms and molecules in a highly controlled environment, with minimal interactions with the surrounding environment. Optical lattices, created by interfering laser beams, provide a versatile and highly controllable platform for quantum simulations. By adjusting the laser parameters, researchers can engineer various types of lattice structures, enabling the study of phenomena such as Anderson localization, quantum phase transitions, and many-body dynamics. The periodic potential created by the optical lattice can mimic the crystal lattice of solid-state systems, allowing for the investigation of condensed matter physics in a clean and controllable environment.

Superconducting qubits, trapped ions, and nitrogen-vacancy centers in diamonds are alternative platforms for quantum simulation, each with its unique strengths and capabilities. Superconducting qubits use superconducting circuits to encode quantum information and exhibit long coherence times. Trapped ions allow for precise control and readout of their quantum states using electromagnetic fields. Nitrogen-vacancy centers in diamonds offer long-lived spins and coupling to other spins, making them useful for quantum information processing and sensing applications.

A significant challenge in quantum simulation is minimizing and correcting errors, which can arise from imperfections in the experimental setup or external disturbances. These errors can lead to decoherence, causing the quantum system to lose its coherence and become difficult to control. Researchers have developed robust quantum simulation methods and error correction codes to mitigate these errors and extend the capabilities of quantum simulations. Techniques such as quantum error correction, dynamical error suppression, and fault-tolerant quantum computing aim to overcome these challenges and enable longer and more accurate quantum simulations.

Quantum simulation has enabled the discovery of new phases, such as topological insulators and supersolids, and the study of strongly correlated systems, like high-temperature superconductors. By mimicking condensed matter systems in the laboratory, researchers can observe and understand their behavior in detail, leading to a deeper understanding of quantum phenomena and the development of new materials and technologies. Quantum simulations have the potential to revolutionize fields such as condensed matter physics, materials science, and chemistry. By simulating molecular Hamiltonians, quantum simulations can provide insights into chemical reactions, electronic structures, and excited states, with implications for drug discovery and materials design. Furthermore, quantum simulations can accelerate materials discovery by predicting the properties of new materials and optimizing existing ones for specific applications.

Esteban Adrian Martinez: Introduction to Quantum Simulators (Summer School on Collective Behaviour in Quantum Matter, September 2018)

Tuesday, November 5, 2024