Subscribe to our free daily newsletters
. 24/7 Space News .




Subscribe to our free daily newsletters



TIME AND SPACE
Physicists: The wave properties of particles can manifest in collisions
by Staff Writers
Tomsk, Russia (SPX) Nov 03, 2017


Physicists has shown that it is possible to observe the wave properties of massive particles at room temperature, in practically any modern physics laboratory, because it is only necessary to focus the beam of particles well.

Dmitry Karlovets, senior researcher at the TSU Faculty of Physics, with Valery Serbo from the Institute of Mathematics of the SB RAS, has shown that it is possible to observe the wave properties of massive particles at room temperature, in practically any modern physics laboratory, because it is only necessary to focus the beam of particles well. The results of the theoretical research were published in an article in one of the most prestigious journals in physics - Physical Review Letters.

Usually the wave properties of particles are well-manifested in physics experiments at low temperatures, for example, in the phenomenon of superconductivity. Because of the necessity to cool the particles, research on the wave nature of matter was quite expensive.

"We found a way to perform an experiment in which the wave properties of the particles will occur at room temperature. For this, nothing needs to be cooled, it's just good to focus the beam," explains Dmitry Karlovets, senior researcher Theoretical and Mathematical Physics Laboratory of the TSU Faculty of Physics.

According to the idea of the theoretical physicists, the electron beam needs to be focused into a spot the size of a hydrogen atom. In this case, modern electronic microscopes are sufficient, which are available in many scientific centers of the world, including TSU.

"Earlier, scientists thought that the wave properties of particles at room temperature will manifest themselves when focusing into the so-called Compton wavelength. And it is very small, for example, for an electron this is about 10-13 meters. The size of the hydrogen atom is three orders of magnitude greater: 0.5 * 10-10 meters and this focusing has already been achieved, for example, at the University of Antwerp in Belgium" continues Dmitry Karlovets.

Further, physicists have shown that the wave properties of particles will manifest themselves particularly clearly if the electrons are in special quantum states. In quantum optics, scientists are able to create microscopic analogs of Schrodinger's cat: this is a well-known mental experiment about a cat in a closed box with poison. While we are not watching a cat, it is in a state of superposition and it is not known whether he is alive or dead.

So it is with waves: when two electron beams are superimposed on each other, they can interfere, that is, either amplify each other or extinguish. In the area of space where destructive interference occurs, the probability for an electron to have a certain coordinate and momentum becomes negative. It is a property inexplicable in the language of classical physics.

"If you shine a simple beam on an atom, then the electrons begin to dissipate, absorb, or do something else. And if we shine on a hydrogen atom with such a "cat" (two superimposed beams), then in the area between the beams the atom begins to feel these electrons worse because there is destructive interference," explain the researchers. - This leads to a change in the properties of the scattered electrons and can be observed experimentally.

Thus, focusing the Schrodinger's cat of electrons on the hydrogen atom will allow us to study purely quantum effects in the collision of particles that have never been observed in particle physics.

The research is at the junction of particle physics and quantum optics and continues the tradition of the university school of theoretical physics. The work is of a fundamental nature, however, and after the publication of the article, an experimental continuation is possible.

In Russia, such experimental studies are rarely carried out. In the world, they are conducted at the University of Antwerp (Antwerp, Belgium), at the National Institute of Standards and Technology (USA), at the Institute for Metallic Materials (Dresden, Germany), at Delft University of Technology (Holland), at Tel Aviv University Israel), among other.

Research paper

TIME AND SPACE
Quantum dots visualize tiny vibrational resonances
Washington DC (SPX) Nov 01, 2017
In the late 18th century, Ernst Chladni, a scientist and musician, discovered that the vibrations of a rigid plate could be visualized by covering it with a thin layer of sand and drawing a bow across its edge. With the bow movement, the sand bounces and shifts, collecting along the nodal lines of the vibration. Chladni's discovery of these patterns earned him the nickname, "father of acou ... read more

Related Links
National Research Tomsk State University
Understanding Time and Space


Thanks for being here;
We need your help. The SpaceDaily news network continues to grow but revenues have never been harder to maintain.

With the rise of Ad Blockers, and Facebook - our traditional revenue sources via quality network advertising continues to decline. And unlike so many other news sites, we don't have a paywall - with those annoying usernames and passwords.

Our news coverage takes time and effort to publish 365 days a year.

If you find our news sites informative and useful then please consider becoming a regular supporter or for now make a one off contribution.

SpaceDaily Contributor
$5 Billed Once


credit card or paypal
SpaceDaily Monthly Supporter
$5 Billed Monthly


paypal only

Comment using your Disqus, Facebook, Google or Twitter login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

TIME AND SPACE
Pope asks spacemen life's big questions in ISS live chat

Plants and psychological well-being in space

Spacewalkers fix robotic arm in time to grab next cargo ship

NASA develops and tests new housing for in-orbit science payloads

TIME AND SPACE
Thruster for Mars mission breaks records

Draper and Sierra Nevada Corporation announce new agreement for space missions

Aerojet Rocketdyne breaks ground on advanced manufacturing center in Huntsville

New solid rocket motor development facility completed at Spaceport America

TIME AND SPACE
Mars Rover Mission Progresses Toward Resumed Drilling

Solar eruptions could electrify Martian moons

MAVEN finds Mars has a twisted tail

Mine craft for Mars

TIME AND SPACE
Space will see Communist loyalty: Chinese astronaut

China launches three satellites

Mars probe to carry 13 types of payload on 2020 mission

UN official commends China's role in space cooperation

TIME AND SPACE
Myanmar to launch own satellite system-2 in 2019: vice president

Eutelsat's Airbus-built full electric EUTELSAT 172B satellite reaches geostationary orbit

Turkey, Russia to Enhance Cooperation in the Field of Space Technologies

SpaceX launches 10 satellites for Iridium mobile network

TIME AND SPACE
Liquids take a shine to terahertz radiation

Voltage-driven liquid metal fractals

Nanoscale textures make glass invisible

Discovery of a new structure family of oxide-ion conductors SrYbInO4

TIME AND SPACE
Comet mission reveals 'missing link' in our understanding of planet formation

Astronomers discover sunscreen snow falling on hot exoplanet

Marine microbes living beneath seabed resort to cannibalism

New NASA study improves search for habitable worlds

TIME AND SPACE
Haumea, the most peculiar of Pluto companions, has a ring around it

Ring around a dwarf planet detected

Helicopter test for Jupiter icy moons radar

Solving the Mystery of Pluto's Giant Blades of Ice




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News






The content herein, unless otherwise known to be public domain, are Copyright 1995-2017 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement