As “Ant-Man and the Wasp: Quantumania” hits theaters, learn about the future of quantum and NSF efforts to advance the quantum future.
Category: quantum physics – Page 506
6 Quantum Algorithms That Will Change Computing Forever
Here is a list of some of the most popular quantum algorithms highlighting the significant impact quantum can have on the classical world:
Shor’s Algorithm
Our entire data security systems are based on the assumption that factoring integers with a thousand or more digits is practically impossible. That was until Peter Shor in 1995 proposed that quantum mechanics allows factorisation to be performed in polynomial time, rather than exponential time achieved using classical algorithms.
Multiverse Warfare & Quantum Mania
Go to https://nordpass.com/isaacnordpass and use code isaacnordpass at the checkout to get additional 1 month for FREE!
If travel to other realities and multiverses is possible, then so is conflict between them, but how would a multiversal war be fought?
Visit our Website: http://www.isaacarthur.net.
Join Nebula: https://go.nebula.tv/isaacarthur.
Support us on Patreon: https://www.patreon.com/IsaacArthur.
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur.
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE
Listen or Download the audio of this episode from Soundcloud: Episode’s Audio-only version: https://soundcloud.com/isaac-arthur-148927746/multiverse-warfare-quantum-mania.
Episode’s Narration-only version: https://soundcloud.com/isaac-arthur-148927746/multiverse-war…ation-only.
Credits:
Multiverse Warfare and Quantum Mania.
Science & Futurism with Isaac Arthur.
Episode 382, February 16, 2023
Written, Produced & Narrated by Isaac Arthur.
Editors:
David McFarlane.
Briana Brownell.
Lukas Konecny.
Graphics:
Quantum Field Theory Pries Open Mathematical Puzzle
The “rank” of a graph is the number of loops it has; for each rank of graphs, there exists a moduli space. The size of this space grows quickly — if you fix the lengths of the graph’s edges, there are three graphs of rank 2, 15 of rank 3,111 of rank 4, and 2,314,204,852 of rank 10. On the moduli space, these lengths can vary, introducing even more complexity.
The shape of the moduli space for graphs of a given rank is determined by relationships between the graphs. As you walk around the space, nearby graphs should be similar, and should morph smoothly into one another. But these relationships are complicated, leaving the moduli space with mathematically unsettling features, such as regions where three walls of the moduli space pass through one another.
Mathematicians can study the structure of a space or shape using objects called cohomology classes, which can help reveal how a space is put together. For instance, consider one of mathematicians’ favorite shapes, the doughnut. On the doughnut, cohomology classes are simply loops.
A future with quantum biology — with Alexandra Olaya-Castro
Scientific and technological advances have enabled us to zoom into the biological world. We can get down to the biomolecular scale, a domain where quantum phenomena can take place and therefore cannot be neglected.
Watch the Q&A with Alexandra here: https://youtu.be/_rElT2_NukY
Subscribe for regular science videos: http://bit.ly/RiSubscRibe.
This talk was recorded at the Royal Institution on 28 October 2022.
Upon completing her doctoral studies in 2005 at the University of Oxford, Alexandra Olaya-Castro was subsequently awarded a three-year Junior Research Fellowship by Trinity College (Oxford), where she began her independent research career.
In November 2008 Alexandra Olaya-Castro obtained a five-year EPSRC Career Acceleration Fellowship that allowed her to start a research group in the Department of Physics and Astronomy of University College London. She was then appointed as a Lecturer in September 2011, was promoted to Reader in October 2015 and to full Professor in 2018.
Throughout her career Alexandra has made scientific contributions to the understanding of signatures and implications of quantum coherence in a variety of quantum systems that include exciton condensates in quantum wells, multi-qubit systems embedded in optical cavities and, her current focus, photo-activated biomolecular systems.
When the light is neither ‘on’ nor ‘off’ in the nanoworld
Whether the light in our living spaces is on or off can be regulated in everyday life simply by reaching for the light switch. However, when the space for the light is shrunk to a few nanometers, quantum mechanical effects dominate, and it is unclear whether there is light in it or not. Both can even be the case at the same time, as scientists from the Julius-Maximilians-Universität Würzburg (JMU) and the University of Bielefeld show in the journal Nature Physics (“Identifying the quantum fingerprint of plasmon polaritons”).
“Detecting these exotic states of quantum physics on the size scales of electrical transistors could help in the development of optical quantum technologies of future computer chips,” explains Würzburg professor Bert Hecht. The nanostructures studied were produced in his group.
The technology of our digital world is based on the principle that either a current flows or it does not: one or zero, on or off. Two clear states exist. In quantum physics, on the other hand, it is possible to disregard this principle and create an arbitrary superposition of the supposed opposites. This increases the possibilities of transmitting and processing information many times over. Such superposition states have been known for some time, especially for the particles of light, so-called photons, and are used in the detection of gravitational waves.
Uncovering The Principles Of Universal Self-Assembly
For years, researchers have searched for the working principles of self-assembly that can build a cell (complex biological organism) as well as a crystal (far simpler inorganic material) in the same way.
Now, a team of scientists in Turkey has demonstrated the fundamental principles of a universal self-assembly process acting on a range of materials starting from a few atoms-large quantum dots up to nearly 100 trillion atoms-large human cells. Their method is highlighted in Nature Physics.
“To initiate self-assembly, either you force the system to deliver a specific outcome, or you use its inner dynamics to your advantage for universal outcomes. We followed the second approach,” says Dr. Serim Ilday of Bilkent University-UNAM, who lead the study.
Are Black Holes the Giant Quantum Computers of Aliens? Physicists Proposed This Could Be Why Extraterrestrial Civilization Has Not Yet Reached Earth
Physicists proposed that advanced extraterrestrial civilizations are using black holes in their quantum computers since they are abundant in quantum information. Read the article to learn more.