Articles tagged with Quantum Phase Transitions
A new Australian study examines systems transitioning from a normal fluid to a quantum state known as a superfluid, which can flow with zero friction. The research provides new insights into the formation of these remarkable states, revealing different timescales and correlations involved.
Researchers at GIST develop a non-contact, nondestructive approach to characterize crystal structures in thin films, shedding light on surface symmetries in SrRuO3. The technique offers a platform for structural characterization of surfaces and interfaces using optical techniques.
Researchers have discovered a quantum phase transition in a quasi-2D system consisting purely of spins, which has significant implications for spintronics and quantum computing. The study reveals unexpected manifestations of quantum phase transitions in pure spin systems.
Physicists have finally experimentally documented the melting of Wigner Crystals into a liquid in response to quantum fluctuations, a long-sought-after goal in the field. The study used a novel experimental technique to observe this transition in atomically thin semiconductor bilayers.
Researchers from North Carolina State University have discovered that a commonly studied perovskite can superfluoresce at practical temperatures and timescales, indicating this characteristic may be widespread in the class of materials. This phenomenon could prove useful for quantum computing applications.
Physicists discovered a discontinuous phase transition in a quantum magnet, mirroring the behavior of water, allowing for precise control over its quantum properties. The study reveals critical-point physics, which is essential for understanding topological phases and protected qubits in these materials.
Researchers at Skoltech developed a quantum enhanced machine learning approach that uses quantum states as data, overcoming the 'data-readin problem'. This allows for faster calculations and better performance than classical machines in certain applications.
Scientists at Bar-Ilan University successfully image quantum events, revealing quantum bubbles and new insights into their behavior. The breakthrough experiment uses a unique microscope to detect tiny magnetic signals with sub-micron resolution.
Researchers have experimentally observed a new quantum many body state in the Shastry-Sutherland model, where atomic magnets are quantum-entangled in sets of four. This discovery has implications for materials science and quantum information technology, and could lead to the development of new theoretical methods.
Researchers have discovered two competing quantum shapes in a neutron-rich krypton isotope, 98Kr, which exhibits a gentle onset of deformation with added neutrons. This finding challenges current understanding of nuclear shapes and provides insight into the limits of quantum phase transition regions.
Researchers at Osaka University have discovered a clear connection between quantum fluctuations and the effective charge of current-carrying particles in exotic phase transitions. This breakthrough provides insight into quantum phase transitions, potentially unlocking applications in superconductivity and other areas.
Researchers at IST Austria have observed a quantum phase transition in a dissipative quantum system for the first time. The study verifies theoretical predictions and demonstrates potential applications in memory storage elements and quantum simulation processors.
Physicists at the University of Chicago have confirmed a decades-old theory describing continuous phase transitions. The team observed a quantum phase transition in gaseous cesium atoms, demonstrating the Kibble-Zurek mechanism for both space and time.
Physicists found a quantum phase transition associated with the pseudogap phase causes a sharp drop in conducting electrons, leading to superconductivity. The team discovered this point is probably where cuprates support superconductivity at much higher temperatures.
A new study suggests that the universe was 'cooked' at just the right speeds to generate a rich and complex structure. The findings contradict the widespread belief that faster quantum phase transitions generate more structure.
Scientists from Brookhaven Lab and Stony Brook University explored quantum fluctuations behind a novel magnetic material's ultra-cold ferromagnetic phase transition. They measured the electronic, magnetic, and thermodynamic performance of metallic materials at near absolute zero temperatures.
Researchers have successfully observed the quantum phase transition of a superconductor-to-metal type in a graphene-based hybrid system. The system, consisting of tin nanodisks on a graphene substrate, exhibits a sharp drop in temperature at which the spatial phase coherence is destroyed solely by quantum fluctuations.
Researchers at the University of Innsbruck and Complutense University of Madrid use a quantum simulator to study quantum mechanical phase transitions in many-body systems. They observe how competition between two processes takes place, leading to fragile long-range correlations between distant particles.
Researchers at Duke University created a system to study electron tunneling and unexpectedly found a quantum phase transition. The discovery could provide a simple model for testing environments where quantum phase transitions occur.
Researchers at University of Innsbruck create one-dimensional structures in optical lattice and observe 'pinning transition' from superfluid to insulated phase. Strongly interacting atoms align regularly along wire due to repulsive interaction.
Researchers have developed a device that can map magnetic fields at an unprecedented level of precision, detecting even the smallest magnetic fields with great accuracy. The breakthrough uses ultra-cold Bose-Einstein condensates to create a highly sensitive magnetometer.