Browse Physics

The population of Upsilon mesons in quark-gluon plasma can be used to measure the plasma’s temperature.

An analog of the dynamical Casimir effect has been achieved, where phonons replace photons and thermal fluctuations replace vacuum fluctuations.

An experiment studying B meson decays makes a direct observation of time-reversal violation without relying on assumed relationships with other fundamental symmetries.

Coherent quantum states of different chirality have been formed and identified in the $A$ phase of superfluid helium-$3$, confirming previous theoretical predictions.

Advances in extracting an image from a multimode optical fiber will make thinner endoscopes possible.

Optical atomic clocks now outperform the best microwave cesium atomic clocks in terms of precision.

Ultracold atoms can coherently scatter backwards from a disordered potential in a way similar to classical waves.

The combination of several quantum states that are local can yield a nonlocal state.

Microwave signals in an entangled state can be generated and then spatially separated on a single chip, enabling quantum communication with microwave technology.

A laser-based scheme allows cooling of molecules down to their lowest electronic, vibrational, and rotational state.

Few mathematical tools exist for describing non-equilibrium systems, but new methods may emerge from the study of a simple transport model.

The discoverers of element 117 have followed through with a year-long study of the lifetime and decay products of the newest superheavy element.

Researchers propose how to realize time crystals, structures whose lowest-energy states are periodic both in time and space.

Producing quark-gluon matter from higher-energy nuclear collisions will give insight into its fluidlike properties.

A new optical experiment provides further proof that quantum mechanics is not hiding some classical framework beneath its veneer of context-dependent observations.

Researchers have applied a combination of an electric field and mechanical strain to a system of quantum dots in order to correct for asymmetries that usually prevent these semiconductor nanostructures from emitting entangled photons.

With a simple ball and stick model, theorists explain how the two flagella on a swimming alga become synchronized.

A phase transition controlled by noise determines how volatile rankings are.

Measurements with live retinal rod cells reveal their capacity for detecting the statistical properties of different light sources.

Magnetic interactions between atoms contribute to sliding friction.