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Search results for fermionic model

Superconductivity Jan 19, 2023

Quantum simulator enables first microscopic observation of charge carriers pairing

Using a quantum simulator, researchers at the Max Planck Institute of Quantum Optics (MPQ) have observed pairs of charge carriers that may be responsible for the resistance-free transport of electric current in high-temperature ...

Quantum Âé¶¹ÒùÔºics Jan 11, 2023

'A perfect little system': Âé¶¹ÒùÔºicists isolate a pair of atoms to observe p-wave interaction strength for the first time

"Suppose you knew everything there was to know about a water molecule—the chemical formula, the bond angle, etc.," says Joseph Thywissen, a professor in the Department of Âé¶¹ÒùÔºics and a member of the Centre for Quantum Information ...

Quantum Âé¶¹ÒùÔºics Jan 5, 2023

Researchers realize the quantum simulations of topological phase transitions

Topology refers to the overall property that remains unchanged despite continuous local modifications. A coffee cup and a donut are no different to mathematicians because they have the same topological charge. Materials with ...

Quantum Âé¶¹ÒùÔºics Dec 19, 2022

Underground Italian lab searches for signals of quantum gravity

For decades, physicists have been hunting for a quantum-gravity model that would unify quantum physics, the laws that govern the very small, and gravity. One major obstacle has been the difficulty in testing the predictions ...

Quantum Âé¶¹ÒùÔºics Nov 30, 2022

Âé¶¹ÒùÔºicists produce symmetry-protected Majorana edge modes on quantum computer

Âé¶¹ÒùÔºicists at Google Quantum AI have used their quantum computer to study a type of effective particle that is more resilient to environmental disturbances that can degrade quantum calculations. These effective particles, ...

Quantum Âé¶¹ÒùÔºics Nov 17, 2022

A new experiment pushes the boundaries of our understanding of topological quantum matter

New research conducted by Princeton University physicists is delving with high resolution into the complex and fascinating world of topological quantum matter—a branch of physics that studies the inherent quantum properties ...

General Âé¶¹ÒùÔºics Nov 14, 2022

Recent searches for light fermionic dark matter by the PandaX-4T collaboration

Teams of astrophysicists worldwide are trying to observe different possible types of dark matter (DM), hypothetical matter in the universe that does not emit, absorb or reflect light and would thus be very difficult to detect. ...

Quantum Âé¶¹ÒùÔºics Oct 11, 2022

Study makes spin liquid model more realistic

Spin is the intrinsic magnetic moment of a particle—an electron, for example. It is a fundamental magnitude, like mass and charge. Simply put, it is as if the particle had a magnet inside it that enabled it to interact, ...

Condensed Matter Sep 15, 2022

Âé¶¹ÒùÔºicists demo method for designing topological metals

U.S. and European physicists have demonstrated a new method for predicting whether metallic compounds are likely to host topological states that arise from strong electron interactions.

General Âé¶¹ÒùÔºics Sep 1, 2022

SU(N) matter is about 3 billion times colder than deep space

Japanese and U.S. physicists have used atoms about 3 billion times colder than interstellar space to open a portal to an unexplored realm of quantum magnetism.

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