Nanotechnology Now

Our NanoNews Digest Sponsors
Heifer International



Home > Press > Physicists propose a new theory to explain one dimensional quantum liquids formation

One dimensional quantum lattice liquids.

CREDIT
I. Morera et al. Phys. Rev. Lett
One dimensional quantum lattice liquids. CREDIT I. Morera et al. Phys. Rev. Lett

Abstract:
Liquids are ubiquitous in Nature: from the water that we consume daily to superfluid helium which is a quantum liquid appearing at temperatures as low as only a few degrees above the absolute zero. A common feature of these vastly different liquids is being self-bound in free space in the form of droplets. Understanding from a microscopic perspective how a liquid is formed by adding particles one by one is a significant challenge.

Physicists propose a new theory to explain one dimensional quantum liquids formation

Barcelona, Spain | Posted on January 15th, 2021

Recently, a new type of quantum droplets has been experimentally observed in ultracold atomic systems. These ones are made of alkaline atoms which are cooled down to extremely low temperatures of the order of nanokelvins. The main peculiarity of these systems is that they are the most dilute liquids ever experimentally observed. An extraordinary experimental control over the system opens the possibility of unraveling the mechanism leading to the formation of quantum droplets.

In a recent article published in Physical Review Letters, researchers from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) Ivan Morera and the late Prof. Artur Polls led by Prof. Bruno Juliá-Díaz, in collaboration with Prof. Grigori Astrakharchik from UPC, present a microscopic theory of lattice quantum droplets which explains their formation.

The team of researchers has shown that the formation of the quantum droplet can be explained in terms of effective interactions between dimers (bound states of two particles). Moreover, by solving the four-body problem they have shown that tetramers (bound states of four particles) can appear and they can be interpreted as simple bound states of two dimers.

The properties of these tetramers already coincide with the ones of large quantum droplets which indicates that many of the feature properties of the many-body liquid are contained in the tetramer. They also discussed the possibility of observing these strongly correlated droplets in dipolar bosons or bosonic mixtures in optical lattices.

####

For more information, please click here

Contacts:
Bibiana Bonmati

0093-403-5544

Copyright © University of Barcelona

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related Links

RELATED JOURNAL ARTICLE:

Related News Press

News and information

The National Space Society Mourns the Passing of Robert Krone, Founder of the Kepler Space Institute: Krone's Visionary and Humanistic Approach to the Study of Space Communities and Settlement Was Unique September 22nd, 2021

Researchers reveal multi-path mechanism in electrochemical CO2 reduction September 17th, 2021

Scientists demonstrate pathway to forerunner of nanotubes that could lead to widespread industrial fabrication September 17th, 2021

Silver nanoparticles boost performance of microbial fuel cells September 17th, 2021

Chemistry

Researchers reveal multi-path mechanism in electrochemical CO2 reduction September 17th, 2021

Enhanced ambient ammonia photosynthesis by Mo-doped Bi5O7Br nanosheets with light-switchable oxygen vacancies September 3rd, 2021

Quantum Physics

Engineering various sources of loss provides new features for perfect light absorption: "Loss is ubiquitous in nature, and by better understanding it, we make it more useful" September 10th, 2021

Tapping into magnets to clamp down on noise in quantum information September 9th, 2021

Putting a new theory of many-particle quantum systems to the test: Experiments show that generalized hydrodynamics accurately simulates an out-of-equilibrium quantum system September 3rd, 2021

Researchers use gold film to enhance quantum sensing with qubits in a 2D material September 3rd, 2021

Quantum chemistry

Putting a new theory of many-particle quantum systems to the test: Experiments show that generalized hydrodynamics accurately simulates an out-of-equilibrium quantum system September 3rd, 2021

Possible Futures

The National Space Society Mourns the Passing of Robert Krone, Founder of the Kepler Space Institute: Krone's Visionary and Humanistic Approach to the Study of Space Communities and Settlement Was Unique September 22nd, 2021

Ultrasound at the nanometre scale reveals the nature of force September 17th, 2021

A simple way to get complex semiconductors to assemble themselves: Much like crystallizing rock candy from sugar syrup, the new method grows 2D perovskites precisely layered with other 2D materials to produce crystals with a wide range of electronic properties September 17th, 2021

Getting to the root of tooth replantation challenges: Researchers from Tokyo Medical and Dental University (TMDU) report a delivery system that promotes healing in tooth replantation in rats September 17th, 2021

Discoveries

The National Space Society Mourns the Passing of Robert Krone, Founder of the Kepler Space Institute: Krone's Visionary and Humanistic Approach to the Study of Space Communities and Settlement Was Unique September 22nd, 2021

Researchers reveal multi-path mechanism in electrochemical CO2 reduction September 17th, 2021

Scientists demonstrate pathway to forerunner of nanotubes that could lead to widespread industrial fabrication September 17th, 2021

Silver nanoparticles boost performance of microbial fuel cells September 17th, 2021

Announcements

The National Space Society Mourns the Passing of Robert Krone, Founder of the Kepler Space Institute: Krone's Visionary and Humanistic Approach to the Study of Space Communities and Settlement Was Unique September 22nd, 2021

Researchers reveal multi-path mechanism in electrochemical CO2 reduction September 17th, 2021

Scientists demonstrate pathway to forerunner of nanotubes that could lead to widespread industrial fabrication September 17th, 2021

Silver nanoparticles boost performance of microbial fuel cells September 17th, 2021

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers/Posters

Getting to the root of tooth replantation challenges: Researchers from Tokyo Medical and Dental University (TMDU) report a delivery system that promotes healing in tooth replantation in rats September 17th, 2021

Researchers reveal multi-path mechanism in electrochemical CO2 reduction September 17th, 2021

Scientists demonstrate pathway to forerunner of nanotubes that could lead to widespread industrial fabrication September 17th, 2021

Silver nanoparticles boost performance of microbial fuel cells September 17th, 2021

Quantum nanoscience

Engineering various sources of loss provides new features for perfect light absorption: "Loss is ubiquitous in nature, and by better understanding it, we make it more useful" September 10th, 2021

Tapping into magnets to clamp down on noise in quantum information September 9th, 2021

Researchers use gold film to enhance quantum sensing with qubits in a 2D material September 3rd, 2021

Best of both worlds—Combining classical and quantum systems to meet supercomputing demands: Scientists detect strongly entangled pair of protons on a nanocrystalline silicon surface, potentially enabling new levels of high-speed computing August 13th, 2021

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project