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The Week in Quantum Computing - July 25th
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In this heat weave, decoherence is making me die. And while you were suffocating in you sofa because the aircon is focused on your dillution refrigerator, the world was busy with error correcting qubits. From IBM to one paper that I believe will be remembered as the one that introduced the 20% rate. Learning Quantum Computing starts in high school and a couple of initiatives are helping with that from Qiskit to Tucson’s all-girls quantum summer camp. Google releases Cirq v1.0 (finally stable) and its simulator. D-Wave takes the last step towards their SPAC, missing the final vote in August 2nd. Quantum Machines builds Israel’s computer. Oxford Science Enterprises raises 250M in invest among other things in Quantum. IQM closes series A.2 for €128M and Atlantic Quantum spins off MIT quantum lab with a $9M seed round.
On error correction and putting our computers in old mining shafts
(Quantum Well podcast link by Horizon Quantum)
Quantum Definitions by @quantumfyed - What is Moore’s Law that we always talk about when bringing QC?
The Week in Quantum Computing
Practical quantum computing will require error rates that are well below what is achievable with physical qubits. Quantum error correction offers a path to algorithmically-relevant error rates by encoding logical qubits within many physical qubits, where increasing the number of physical qubits enhances protection against physical errors. However, introducing more qubits also increases the number of error sources, so the density of errors must be sufficiently low in order for logical performance to improve with increasing code size. Here, we report the measurement of logical qubit performance scaling across multiple code sizes, and demonstrate that our system of superconducting qubits has sufficient performance to overcome the additional errors from increasing qubit number. We find our distance-5 surface code logical qubit modestly outperforms an ensemble of distance-3 logical qubits on average, both in terms of logical error probability over 25 cycles and logical error per cycle (2.914%±0.016% compared to 3.028%±0.023%). To investigate damaging, low-probability error sources, we run a distance-25 repetition code and observe a 1.7×10−6 logical error per round floor set by a single high-energy event (1.6×10−7 when excluding this event). We are able to accurately model our experiment, and from this model we can extract error budgets that highlight the biggest challenges for future systems. These results mark the first experimental demonstration where quantum error correction begins to improve performance with increasing qubit number, illuminating the path to reaching the logical error rates required for computation.
July 17, 2022 at 10:30AM
Machine learning allows computers to recognize complex patterns such as faces and also to create new and realistic-looking examples of such patterns.
July 18, 2022 at 09:30AM
New funding deepens capital pool available to drive the creation and growth of transformational businesses built on ground-breaking Oxford science OXFORD, England, /PRNewswire/ -- Oxford Science Enterprises (OSE), the independent investment company created to found, fund and build transformationa
July 18, 2022 at 09:30AM
Interested in learning quantum computing but don’t know where to start? Sign up for Quantum Explorers! Quantum Explorers is a self-paced, gamified quantum computing learning program for high school students and above.
July 18, 2022 at 05:30PM
The center will be the first to house multiple types of QPU systems under one roof, positioning it as a hotbed for innovation and ensuring compatibility with future quantum technologies TEL AVIV, Israel, /PRNewswire/ -- Quantum Machines, the provider of breakthrough quantum control solutions that a
July 18, 2022 at 05:30PM
At its conclusion, the multidisciplinary EU project UNIQORN has successfully demonstrated new devices and use cases for sustainable quantum communication. Among other things, the project consortium has succeeded in reducing the size of current quantum optical devices to a few centimeters.
July 18, 2022 at 05:30PM
Three computer scientists have solved the NLTS conjecture, proving that systems of entangled particles can remain difficult to analyze even away from extremes. A striking new proof in quantum computational complexity might best be understood with a playful thought experiment.
July 18, 2022 at 08:30PM
BURNABY, British Columbia, PALO ALTO, Calif. & MIAMI--(BUSINESS WIRE)--D-Wave Systems Inc., a leader in quantum computing systems, software, and services (“D-Wave”), and DPCM Capital, Inc.
July 19, 2022 at 09:30AM
Cirq has officially left alpha and is v1.0. With this release comes new policies on API stability as well as functionality gaurantees for the long term. Along with some minor bug fixes and tweaks, this release focuses on stabilizing the APIs within cirq-core.
July 19, 2022 at 10:30AM
This paper introduces a system that learns to sing new tunes by listening to examples. It extracts sequencing rules from input music and uses these rules to generate new tunes, which are sung by a vocal synthesiser. We developed a method to represent rules for musical composition as quantum circuits. We claim that such musical rules are quantum native: they are naturally encodable in the amplitudes of quantum states. To evaluate a rule to generate a subsequent event, the system builds the respective quantum circuit dynamically and measures it. After a brief discussion about the vocal synthesis methods that we have been experimenting with, the paper introduces our novel generative music method through a practical example. The paper shows some experiments and concludes with a discussion about harnessing the creative potential of the system.
July 19, 2022 at 04:31PM
It felt like for a long time, the quantum computing industry avoided talking about ‘quantum advantage’ or ‘quantum supremacy,’ the point where quantum computers can solve problems that would simply take too long to solve on classical computers.
July 19, 2022 at 10:30PM
Several decades ago, quantum computers were only a concept — a distant idea discussed mostly in lecture halls. Flash forward to today, and the race is on to build fault-tolerant quantum computers and discover new algorithms to apply them in useful ways.
July 20, 2022 at 08:30AM
PASQAL, the leading full stack manufacturer of neutral atoms quantum processors, today announced a collaboration with BASF, the world’s largest chemical company, for weather and other computational fluid dynamics applications.
July 20, 2022 at 02:30PM
Researchers at The University of British Columbia (UBC), Quantinuum, and the Flatiron Institute have demonstrated a new phase of matter that could be protective against a range of errors in quantum computation.
July 20, 2022 at 06:30PM
TUCSON, Ariz. (KGUN) — It’s the world’s first ever free all-girls quantum computing summer camp. This week-long program is being hosted in Tucson in partnership with the University of Arizona and the Girl Scouts of Southern Arizona.
July 21, 2022 at 09:30AM
The world we live in that has always been defined by basic factors such as 1+1 = 2, yet 90% of people cannot even explain why this is true. I took a discrete mathematics with applications in 2002 and I had to explain with math and computer programs in a 10 page paper why this is true.
July 21, 2022 at 09:30AM
European quantum computing leader IQM raises €128m led by World Fund to help combat the climate crisis
Espoo, Finland, 22 July 2022 – IQM Quantum Computers (IQM), the European leader in building superconducting quantum computers, is announcing today it has raised €128 million ($128m) in Series A2 funding led by World Fund to expand its international business and accelerate product development to tackle the world’s most pressing problems. The funding, which follows a €39m ($39m) Series A1 announcement in 2020 and includes part of a €35m ($35m) venture loan from the European Investment Bank (EIB) announced earlier this year, makes it the largest ever funding round raised by a European quantum
July 22, 2022 at 02:30PM
CAMBRIDGE, Mass., and GOTHENBURG, Sweden, July 21, 2022 — Atlantic Quantum, a developer of scalable quantum computers, today announced a $9 million seed investment led by The Engine, the venture firm spun out of MIT that invests in early-stage Tough Tech companies. Other participating investors include Thomas Tull, Glasswing Ventures, Future Labs Capital, and E14. The capital will fuel technical development and further Atlantic Quantum’s mission to develop superconducting quantum computers with the quality and size needed to tackle the world’s hardest computational challenges.
July 22, 2022 at 04:30PM
There have been an increasing number of articles describing a coming “Quantum Winter”. While I am still extremely bullish on the sector and do not believe the industry will suffer a full abandonment by investors, the blunt reality is that the investment winds are shifting and will require a more sober view on quantum companies in the near-term.
July 22, 2022 at 05:30PM
The quantum vibrations in atoms hold a miniature world of information. If scientists can accurately measure these atomic oscillations, and how they evolve over time, they can hone the precision of atomic clocks as well as quantum sensors, which are systems of atoms whose fluctuations can indicate the presence of dark matter, a passing gravitational wave, or even new, unexpected phenomena.
July 23, 2022 at 10:30AM