Articles tagged with Quantum Measurement
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Researchers at NRL have discovered the nature of interactions between water-soluble semi-conductor quantum dots and dopamine, revealing a new way to detect changes in solution pH. The nano-scale sensor can visualize pH changes inside cells.
Researchers at NIST have created an optical Schrödinger's cat by detecting three photons simultaneously, a state predicted in quantum optics for years. This achievement enhances prospects for manipulating light to improve measurement techniques and contribute to quantum computing and communications.
Researchers at TUM achieve ten times stronger interaction than previous levels, opening new experimental options for quantum computing. The ultrastrong coupling creates a new unit of atom-photon pairs, challenging existing theories.
Researchers have simulated frustration in a smallest possible quantum system, revealing its relation to entanglement. The team created a fully controllable frustrated magnetic network with three spins, allowing them to manipulate interactions using laser beams.
Researchers at Ludwig-Maximilians-Universität München create an artificial crystal of light to observe exotic multiparticle interactions, revealing complex quantum dynamics and periodic collapses and revivals of matter wave fields. The study demonstrates the existence of three-body collisions involving multiple atoms simultaneously.
Researchers at JILA have demonstrated a new tool for controlling ultracold gases and ultracold chemistry by applying small electric fields. The study shows that the electric field spurs a dramatic increase in chemical reactions, with molecules reacting faster when approaching each other head-to-tail parallel to the applied field.
Researchers at UC Berkeley and Lawrence Berkeley National Laboratory detected a large effect of the weak interaction in Ytterbium, about 100 times bigger than seen in Cesium. This finding opens up new opportunities for sensitive searches for new physics using tabletop atomic physics techniques.
A team of physicists from Innsbruck, Austria, have proven that it is not possible to explain quantum phenomena in non-contextual terms. They used techniques designed for building a quantum computer and performed a series of measurements on a pair of laser-cooled calcium ions.
Giant Rydberg molecules are formed by two interacting atoms due to fluctuations in electron orbitals, allowing for electric field manipulation and control over molecular properties. The discovery brings researchers closer to developing new quantum devices that combine isolated atomic systems with advances in microelectronics.
Physicists use ultracold atoms in optical lattices to simulate complex materials like high-temperature superconductors. They successfully detect the Mott insulator, a state of strong electronic interactions, and confirm a key theoretical model.
The EuroQUASAR programme will develop next-generation quantum standards for precise optical clocks and inertial sensors. Researchers, including Professor Markus Arndt, are working on new methods for quantum interferometry to measure molecular details such as mass and geometry.
Researchers found that frequent temperature measurements can alter the behavior of quantum systems, allowing them to heat up when hotter than the bath and cool down when colder. This effect is due to decoupling from the heat bath during measurement, introducing energy into the system and altering its temperature.
Physicists at NIST induce thousands of atoms to swap spins, creating logical connections for quantum computing. The demonstration advances prospects for using neutral atoms as qubits, which could provide extraordinary power for applications like encryption code-breaking.
Researchers from Michigan State and Central Michigan universities develop a new approach to modeling atomic nuclei, reducing computational complexity by focusing on correlations between particles. This breakthrough enables more accurate predictions for the structure of heavy atomic nuclei.
Professor Wootters was awarded the International Quantum Communications Award and the APS Prize to a Faculty Member for Research in an Undergraduate Institution. His research on quantum teleportation has been widely cited, and he is recognized for his engagement of undergraduate students in physics research.
Researchers have developed a novel simulator that can recreate quantum behavior in atoms and particles, enabling control over individual parts of a quantum system. This breakthrough is crucial for developing powerful quantum computers that can perform calculations billions of times faster than normal computers.
Yuzbashyan will use the funding to attend technical conferences and collaborate with specialists globally, aiming to promote new technologies like quantum computing and superconductivity. He plans to bring researchers from Great Britain to Rutgers and fund graduate research assistant positions.
Scientists have developed a way to measure protein flexibility using lasers, revealing a dynamic process in antibody-antigen recognition. The technique allows for the detection of rapid molecular motions, suggesting that antigen recognition may not be a simple lock-and-key mechanism.