Cold atoms and matter waves is a research area focused on the quantum behavior of dilute atomic gases cooled to microkelvin or nanokelvin temperatures, where their de Broglie wavelengths become comparable to interparticle spacing and wave-like properties dominate. It encompasses the production and manipulation of Bose–Einstein condensates and degenerate Fermi gases, coherent control of atomic matter waves using optical and magnetic potentials, and exploration of many-body quantum phenomena in engineered lattices and traps. The field underpins precision metrology, quantum simulation, and interferometry by exploiting long coherence times, tunable interactions, and highly controllable external degrees of freedom of ultracold atomic ensembles.
Physicists have performed a simulation they say sheds new light on an elusive phenomenon that could determine the ultimate fate of the universe.
General Physics
Feb 4, 2025
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469
Researchers at the University of Basel have shown that quantum systems can have antagonistic interactions, too—one agent attracts the other, but the other way around, there is a repulsion. Such interactions could be realized ...
Quantum Physics
Jan 23, 2025
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48
Chinese researchers observed a novel quantum state of matter, counterflow superfluidity, in atomic ultracold quantum simulation experiments, the University of Science and Technology of China announced on Thursday.
Condensed Matter
Jan 16, 2025
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178
Skoltech researchers have presented a new simple physical model for predicting the hardness of materials based on information about the shear modulus and equations of the state of crystal structures. The model is useful for ...
Condensed Matter
Jan 16, 2025
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92
Researchers at Durham University have successfully demonstrated long-lasting quantum entanglement between molecules, opening new doors for future advancements in quantum computing, sensing, and fundamental physics. The paper ...
Quantum Physics
Jan 15, 2025
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293
A research team led by The Hong Kong University of Science and Technology (HKUST) has achieved a groundbreaking quantum simulation of the non-Hermitian skin effect in two dimensions using ultracold fermions, marking a significant ...
Condensed Matter
Jan 8, 2025
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78
Researchers at Rice University have made a meaningful advance in the simulation of molecular electron transfer—a fundamental process underpinning countless physical, chemical and biological processes. The study, published ...
General Physics
Dec 20, 2024
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264
Quiet quitting isn't just for burned out employees. Atoms carrying information inside quantum computers, known as qubits, sometimes vanish silently from their posts. This problematic phenomenon, called atom loss, corrupts ...
Quantum Physics
Dec 18, 2024
1
44
For experiments that require ultra-precise measurements and control over atoms—think two-photon atomic clocks, cold-atom interferometer sensors and quantum gates—lasers are the technology of choice, the more spectrally pure ...
Optics & Photonics
Dec 12, 2024
0
116
Assuming dark matter exists, its interactions with ordinary matter are so subtle that even the most sensitive instruments cannot detect them. In a new study, Northwestern University physicists now introduce a highly sensitive ...
General Physics
Dec 11, 2024
6
148
