Researchers at JILA have characterized a unique nuclear transition in thorium-229 atoms, which is less sensitive to temperature fluctuations. The study reveals that the transition shifts by only 62 kilohertz across a wide temperature range, making it promising for clock applications.
Physicists at JILA and University of Colorado Boulder investigate the interplay between general relativity and quantum entanglement in optical atomic clocks. They discover that interactions between atoms can help to lock them together, leading to unexpected phenomena like atomic synchronization and quantum entanglement.
Researchers used advanced computer simulations to explore how magnetic fields interact with black holes, revealing that between 10% and 70% of extracted energy is channeled into jets. The findings could redefine our understanding of black hole role in shaping galaxies.
Researchers in a new study used optical tweezers to isolate and study the products of individual pairs of atoms, offering new insights into how light-assisted collisions occur. By measuring the loss rates of atoms quantitatively, the team mapped out the influence of hyperfine structure on these collisions.
Researchers at JILA have developed a new method to create highly entangled states in atomic systems by allowing multiple ground levels per atom. This approach enables the generation of stable, interconnected atomic systems, which is crucial for quantum technologies like computing and secure communications. The study focused on four-ene...
A team at JILA created a tabletop microscope that uses high-energy DUV laser light to create nanoscale interference patterns on a material's surface, allowing for detailed studies of electronic, thermal, and mechanical properties. This capability enables the study of materials like diamond with unprecedented spatial resolution.
Researchers at JILA have created a new method to produce thin films of thorium tetrafluoride, making nuclear clocks thousand times less radioactive and cost-effective. The successful use of this technology marks a potential turning point in the development of nuclear clocks.
Researchers found that isolated atoms in free space cannot coordinate their photon emission and radiate collectively, unlike atoms in an optical cavity. The team used theoretical simulations to study the emergent properties of atomic clouds under varying laser power and atom density conditions.
A global taxonomy for physics laboratory classes aims to create a more equitable way to compare courses. Researchers found that lab courses emphasize technical skills and group work, with complex learning goals and varying equipment availability.
Researchers at JILA successfully engineered controllable systems that replicate the universe's most interesting phenomena by manipulating ultracold potassium-rubidium molecules using Floquet engineering. The technique produced two-axis twisting dynamics, generating entangled states for enhanced quantum sensing and precision measurements.
Researchers developed a new method, Fourier Transform Noise Spectroscopy (FTNS), to analyze the noise affecting qubits, revealing its frequency spectrum. This approach handles various types of noise, including complex patterns, making it a more practical solution for widespread use.
SourceJILA·Journalnpj Quantum Information·TypeComputational simulation/modeling·DateJun 6, 2024
Researchers found that white dwarfs continuously consume smaller objects in their path, explaining the presence of heavy metals on their surface. The 'natal kick' during formation alters the dynamics of surrounding material, causing comets and asteroids to become elongated orbits and move as one coherent unit.
SourceJILA·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateMay 3, 2024
Researchers at JILA and NIST propose a method to dampen atomic recoil using momentum-exchange interaction, allowing for more precise measurements in quantum sensing. By exchanging photons between atoms, the researchers create a collective absorption of energy, dispersing recoil among the entire population of particles.
Scientists use Coulomb crystals to study ion-neutral reactions in the cold, low-pressure environment of the Interstellar Medium. They resolve chemical dynamics and identify products created in these reactions, shedding light on the makeup of cosmic space.
SourceJILA·JournalThe Journal of Physical Chemistry A·TypeSystematic review·DateApr 16, 2024