Scientists ’paint’ Mona Lisa on a quantum canvas

The researchers’ rendition of the famous Mona Lisa, approximately 100 micr

The researchers’ rendition of the famous Mona Lisa, approximately 100 microns wide

The Mona Lisa, Van Gogh’s Starry Night and dozens of other images have been recreated on a quantum ‘canvas’ the width of a human hair, thanks to University of Queensland physicists.

The images were projected and photographed on a blob of gaseous quantum matter known as Bose-Einstein condensate.

Dr Tyler Neely from the UQ-based ARC Centre of Excellence for Engineered Quantum Systems said the artworks were originally a fun side project alongside their more serious research.

“We never aimed to do this - we were originally looking to better understand the unsolved mysteries of how fluids flow,” Dr Neely said.

“We were hoping to gain new insights into how our everyday world arises out of the microscopic quantum world, helping us create new quantum-enhanced technologies.

“But, while we were at it, we just happened to create some of the world’s smallest masterpieces.”

Dr Neely and his team cooled a gas made of rubidium atoms down to a few billionths of a degree Celsius above absolute zero, which at minus 273.15 degrees Celcius is the coldest temperature possible.

“The gas doesn’t freeze since it is too diluted, instead behaving as a blob of gaseous quantum matter,” he said.

“We then put the image on a projector illuminated by a laser, but instead of projecting it to be large, we send it backwards through a microscope to make the image tiny.

“This light ‘stamps’ the image on an area around about 100 microns wide - more or less the width of human hair, which can range from between 17 to 181 microns wide.

“We can then take the image, which is only in black and white, and produce colour shots by producing a ‘red’, ‘blue’, and ‘green’ image, and then combine them on a computer.”

The resulting image is barely visible to the human eye, with each pixel representing only about 50 atoms.

“One of the first images we developed was Van Gogh’s Starry Night, but we were soon recreating other works of art, famous photos, as well as photos of ourselves.”

The researchers believe these initial images are an impressive demonstration of quantum matter as a brand new material for producing art.

“Although these images are fascinating, extending the creative expression of this medium is the next step,” Dr Neely said.

“We’re now aiming to collaborate with an artist to help us realise a creative vision for this technology.”

Image above left: UQ quantum physics researcher Dr Tyler Neely, next to a blown up version of an almost-microscopic recreation of the same photo created with quantum technology.

Image above right: An image is displayed on a digital micromirror device in the Bose-Einstein Condensate Laboratory at UQ. By projecting the image backwards through a microscope, UQ physicists can ‘stamp’ pictures onto a canvas of ultracold quantum matter.

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