Parting the veil of mystery on quantum superposition using waves. Professor Phil Moriarty takes us through it.
Phil’s blogpost on the subject: https://muircheartblog.wpcomstaging.com/2021/10/26/superposi…erstition/
Continue reading “Superposition in Quantum Computers — Computerphile” »
Researchers at Toshiba Corporation have achieved a breakthrough in quantum computer architecture: the basic design for a double-transmon coupler that will improve the speed and accuracy of quantum computation in tunable couplers. The coupler is a key device in determining the performance of superconducting quantum computers.
Tunable couplers in a superconducting quantum computer link two qubits and perform quantum computations by turning on and off the coupling between them. Current technology can turn off the coupling of transmon qubits with close frequencies, but this is prone to crosstalk errors that occur on one of the qubits when the other qubit is irradiated with electromagnetic waves for control. In addition, current technology cannot completely turn off coupling for qubits with significantly different frequencies, resulting in errors due to residual coupling.
Toshiba has recently devised a double-transmon coupler that can completely turn on and off the coupling between qubits with significantly different frequencies. Completely turning on enables high-speed quantum computations with strong coupling, while completely turning off eliminates residual coupling, which improves quantum computation speeds and accuracy. Simulations with the new technology have shown it realizes two-qubit gates, basic operations in quantum computation, with an accuracy of 99.99% and a processing time of only 24 ns.
No matter how good our measurement devices get, certain quantum properties always possess an inherent uncertainty. Can we figure out why?
What’s our position in the universe? Some astronomers believe that the relative emptiness in our location in space may be why we haven’t found other intelligent life yet. It may even go beyond that. One theory states that our universe is actually trapped inside a giant black hole, which itself is part of a much larger cosmos.
It all centers on a very different theory of what exactly a black hole is. The usual general understanding is nothing can escape a black hole’s intense gravity, not even light. Called the black hole information paradox, it’s thought that even the information about an object that gets sucked in vanishes into oblivion. But therein lies a problem.
This understanding violates a certain rule in quantum mechanics known as “unitarity,” which states that information can never be completely lost. Some trace of it will always remain. So how can scientists get over the hump?
Three-dimensional quantum gases of strongly dipolar atoms can undergo a crossover from a dilute gas to a dense macrodroplet, stabilized by quantum fluctuations. Adding a one-dimensional…
Quantum Computers:
The Quantum computer is the next generation tech that works not with bits but with quantum bits (qubits) with optimized performance. Its working principle is based on the superposition i.e. Unlike the dualistic processing systems based on High and LOWs(0s), it can simultaneously be 1 and 0, or a mixture of both HIGH and LOW. Quantum computers are based on the laws of quantum mechanics to solve problems that are too complex for classical computers. Here are some key takeaways on how quantum computers assist DeFi to get boosted.
When quantum computers become powerful enough, they could theoretically crack the encryption algorithms that keep us safe. The race is on to find new ones.
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Hello and welcome! My name is Anton and in this video, we will talk about.
Links:
https://www.science.org/doi/10.1126/science.1060182
https://arxiv.org/pdf/1609.01639.pdf.
https://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=59577&from=
https://www.rle.mit.edu/cua_pub/ketterle_group/Projects_2001…Vortex.htm.
https://dx.doi.org/10.1103/PhysRevLett.129.061302
ISS experiments: https://youtu.be/UEEccJLYVXM
Another similar finding: https://youtu.be/FsTbMfQP7b0
#quantumphysics #blackhole #vortex.
Continue reading “Black Holes May Be Covered in Vortex Structures According to New Study” »
A phenomenon that often accompanies technological innovations involves how they tend to become smaller with their improvement over time. From televisions and communication devices like telephones to computers and microchip components, many of the technologies we use every day occupy a fraction of the space in our homes and offices that their predecessors did just decades ago.
In keeping with this trend, it is no surprise that a new tech developed by scientists at Sandia National Laboratories, in cooperation with the Max Planck Institute for the Science of Light, may soon replace cumbersome technologies than once required an entire room to operate, thanks to an ultrathin invention that could change the future of computation, encryption, and a host of other technologies.
At the heart of the invention and its function is a peculiar phenomenon that has perplexed physicists for decades, known as quantum entanglement.
