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Russian researchers have created an Artificial Intelligence (AI)-based tool that has learned to predict the behaviour of a quantum system by “looking” at its network structure.
The neural network autonomously finds solutions that are well-adapted toward quantum advantage demonstrations, according to a study published in the New Journal of Physics.
This is expeted to aid researchers in developing new efficient quantum computers.
“We have been quite successful in training the computer to make autonomous predictions of whether a complex network has a quantum advantage,” said Leonid Fedichkin, Associate Professor at the Moscow Institute of Physics and Technology (MIPT).
A wide range of problems in modern science are solved through quantum mechanical calculations.
Some of the examples are research into chemical reactions and the search for stable molecular structures for medicine, pharmaceutics, and other industries.
The quantum nature of the problems involved makes quantum computations better-suited to them. Classical computations, by contrast, tend to return only bulky approximate solutions.
Creating quantum computers is costly and time-consuming, and the resulting devices are not guaranteed to exhibit any quantum advantage – that is, operate faster than a conventional computer.
So researchers need tools for predicting whether a given quantum device will have a quantum advantage.
One of the ways to implement quantum computations is quantum walks. In simplified terms, the method can be visualised as a particle travelling in a certain network, which underlies a quantum circuit.
If a particle’s quantum walk from one network node to another happens faster than its classical analogue, a device based on that circuit will have a quantum advantage.
The search for such superior networks is an important task tackled by quantum walk experts.
What the Russian researchers did is they replaced the experts with AI. They trained the machine to distinguish between networks and tell if a given network will deliver quantum advantage. This pinpoints the networks that are good candidates for building a quantum computer.
The team used a neural network geared toward image recognition. An adjacency matrix served as the input data, along with the numbers of the input and output nodes. The neural network returned a prediction of whether the classical or the quantum walk between the given nodes would be faster.
“It was not obvious this approach would work, but it did,” Fedichkin said.
“The line between quantum and classical behaviours is often blurred. The distinctive feature of our study is the resulting special-purpose computer vision, capable of discerning this fine line in the network space,” added Alexey Melnikov from ITMO University in Russia.
The researchers created a tool that simplifies the development of computational circuits based on quantum algorithms. The resulting devices will be of interest in biophotonics research and materials science. (IANS)
The city of Delhi has seen it all; from sultanate rule, to dynasties, and to colonial rule. From monarchy to democracy, Delhi has gone through its phases. But, in order to know and explore the nuances of Delhi, you must read these beautiful books.
1. City of Djinns: A Year in Delhi by William Dalrymple
This book was written while Dalrymple was still flirting with his love for the Medieval India. The author writes, "Moreover the city- so I soon discovered- possessed a bottomless seam of stories: tales receding far beyond history, deep into the cavernous chambers of myth and legend," and just like this, Dalrymple takes you in a tour to discover Discover Delhi.
2. Delhi by Heart: Impressions of a Pakistani Traveller by Raza Rumi
This book explores how the author explores his identity as a South Asian Muslim and how his city of Lahore is a mirror image of Delhi. Rumi, in this book, tries to co-relate the past with the present by comparing its festivals, streets, and markets.
3. Delirious Delhi: Inside India's Incredible Capital by DavePrager
This book is quite interesting. The story of this book revolves around the lives of Dave and Jenny who have recently moved to Delhi when their firm began to go down. The city of Delhi in this book is shown through their eyes as they try to make their way in the city that holds together a very large population.
4. The Heart has its Reasons by Krishna Sobti, Translated by Reema Anand, Meenakshi Swami
The original title of this book is "Dil - o - Danish". This book tells the reader about the streets of Old Delhi and almost transport the reader back in the past. This book is basically set in the 1920's, and tells the tale of a man's extramarital affair, his children out of wedlock, black magic, and Chandni Chowk's rich culture of sweets and the perils of being a widow. Interestingly, many have compared the author of this book to Jane Austen.
5. Delhi: A Novel by Khushwant Singh
Who would talk about Delhi and not remember Khushwant Singh? This amazing book is just like a narrative of the author's fulfilled love affair with the city and with a eunuch. The narrator in this book is an aging man who is trying to discover the city. This book is truly a masterpiece, where it takes the readers on the history of Delhi glimpsing at what makes the city what it is– simply beautiful.
There are some of the Indian cities which are older than time. Therefore, we must know which cities are they, and what has been their history!
1. Varanasi (1200 BC–)
Varanasi is one of the oldest cities of India, and has been a center of religious and cultural activity since the Bronze Age. In fact, this city might have been in existence from a very long time, since it finds mention in the Rig Veda. It is believed that the city of Varanasi was thriving for more than 1600 years before the fall of the Roman Empire in Europe. This city is one of the holiest places for Hindus and Jains, and even Lord Buddha gave his very first sermon here in 528 BC. In Hinduism, it is believed that dying in Varanasi brings salvation, which is the reason why the city is always brimming with pilgrims.
2. Ujjain (700/600 BC–)
Ujjain was once considered as one of the most prominent cities in the Middle India. In fact, the name of this city is repeatedly mentioned in the literature of that period, i.e. in the works of stalwarts like Kālidāsa. This city has seen the rise and fall of numerous empires, from the Mauryas to the Avantis, Nandas, and even the Guptas. This city, just like Varanasi, is also considered as one of the holiest cities in India, and hosts one of the officially recognized Kumbh melas, the Ujjain Simhastha Kumbh, in which people across the world take place.
3. Madurai (500 BC–)
Madurai been a major center of culture and trade for more than 2500 years. In fact, the name of this city has been mentioned in the writings of the great traveler, Megasthenes, and has been ruled by several empires from the Pandyas and the Cholas to the Karnata, and finally the British. Interestingly, ‘'Koodal,' was one of its ancient name which means 'a congregation of learned men'. There is no doubt that Madurai was an epicenter of scholars and religious teachers in the southern part of India.
4. Thanjavur (300 BC–)
Thanjavur was formerly known as Tanjore. This city is pretty famous for its Tanjore style of painting, which is a traditional style that is characterised by the use of gold foil, religious imagery, and simple compositions. This city is best known for being the home of the Great Living Chola Temples, which is now a UNESCO World Heritage site. Till date, people across the world visit this place in order to experience its rich history and heritage.
By- Digital Hub
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Also read: Gemstones: Fashion Statements
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Human hair wigs on display at a store Image source: Photo by Markus Spiske on Unsplash
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Also read: Latest Monsoon Fashion Trends
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While you can find numerous styles of synthetic wigs, but there aren't all fibers produced in the same way; for example, wigs that are costume-related for Halloween are typically made of lower quality fibers, which are expensive and appear to be the hair wig. For Halloween parties, this is okay, but for everyday use, you'll need a wig that looks like it's been growing around your head. On the other hand, contemporary synthetic materials utilized in top-quality designer wigs look highly practical for those who want to look realistic.
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