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Search results for quantum entanglement

Optics & Photonics Nov 29, 2021

Researchers propose a simpler design for quantum computers

Today's quantum computers are complicated to build, difficult to scale up, and require temperatures colder than interstellar space to operate. These challenges have led researchers to explore the possibility of building quantum ...

Quantum Âé¶¹ÒùÔºics Nov 24, 2021

A new artificial material mimics quantum-entangled rare earth compounds

Âé¶¹ÒùÔºicists have created a new ultra-thin, two-layer material with quantum properties that normally require rare earth compounds. This material, which is relatively easy to make and does not contain rare earth metals, could ...

Quantum Âé¶¹ÒùÔºics Nov 19, 2021

Modeling quantum spin liquids using machine learning

The properties of a complex and exotic state of a quantum material can be predicted using a machine learning method created by a RIKEN researcher and a collaborator. This advance could aid the development of future quantum ...

Quantum Âé¶¹ÒùÔºics Nov 12, 2021

A new method to measure quantum entanglement in a nuclear spin ensemble

One of the primary objectives of quantum physics studies is to measure the quantum states of large systems composed of many interacting particles. This could be particularly useful for the development of quantum computers ...

Quantum Âé¶¹ÒùÔºics Nov 8, 2021

Key witness helps scientists detect 'spooky' quantum entanglement in solid materials

Quantum entanglement occurs when two particles appear to communicate without a physical connection, a phenomenon Albert Einstein famously called "spooky action at a distance." Nearly 90 years later, a team led by the U.S. ...

General Âé¶¹ÒùÔºics Oct 28, 2021

Researchers set 'ultrabroadband' record with entangled photons

Quantum entanglement—or what Albert Einstein once referred to as "spooky action at a distance"— occurs when two quantum particles are connected to each other, even when millions of miles apart. Any observation of one ...

Quantum Âé¶¹ÒùÔºics Oct 27, 2021

Two Chinese teams claim to have reached primacy with quantum computers

Two teams in China are claiming that they have reached primacy with their individual quantum computers. Both have published the details of their work in the journal Âé¶¹ÒùÔºical Review Letters.

Superconductivity Oct 27, 2021

Making the strange metal state in high temperature superconductors even stranger

Researchers from Chalmers University of Technology, Sweden, have uncovered a striking new behavior of the 'strange metal' state of high temperature superconductors. The discovery represents an important piece of the puzzle ...

Quantum Âé¶¹ÒùÔºics Oct 26, 2021

Chip-based quantum microcomb creates entanglement between optical fields

Researchers have developed a tiny optical frequency comb, or microcomb, that uses two-mode squeezing to create unconditional entanglement between continuous optical fields. The miniature chip-based device lays the groundwork ...

Quantum Âé¶¹ÒùÔºics Oct 26, 2021

Dynamical scaling of entanglement entropy and surface roughness in random quantum systems

In physics, "universality" refers to properties of systems that are independent of their details. Establishing the universality of quantum dynamics is one of the key interests of theoretical physicists. Now, researchers from ...

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