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Search results for quantum entanglement

General Âé¶¹ÒùÔºics Jul 3, 2025

Quantum equivalent of thermodynamics' second law discovered for entanglement manipulation

Just over 200 years after French engineer and physicist Sadi Carnot formulated the second law of thermodynamics, an international team of researchers has unveiled an analogous law for the quantum world. This second law of ...

Quantum Âé¶¹ÒùÔºics Jul 2, 2025

Quantum computer simulates spontaneous symmetry breaking at zero temperature

For the first time, an international team of scientists has experimentally simulated spontaneous symmetry breaking (SSB) at zero temperature using a superconducting quantum processor. This achievement, which was accomplished ...

Quantum Âé¶¹ÒùÔºics Jul 1, 2025

Quantum protocol achieves Heisenberg-limited measurement precision with robust spin states

Researchers from the National University of Singapore (NUS) have achieved exciting progress in quantum metrology, a field that harnesses quantum effects to make measurements with unprecedented accuracy. Their newly developed ...

Optics & Photonics Jul 1, 2025

Photon 'time bins' and signal stability show promise for practical quantum communication via fiber optics

Researchers at the Leibniz Institute of Photonic Technology (Leibniz IPHT) in Jena, Germany, together with international collaborators, have developed two complementary methods that could make quantum communication via fiber ...

Quantum Âé¶¹ÒùÔºics Jun 26, 2025

Researcher discusses trapping single atoms and putting them to work in emerging quantum technologies

Blink and you might miss it, but if you keep your eye on the monitors in professor Sebastian Will's lab, you'll catch a series of single-second flashes that light up the screen. Each flash is an atom of strontium, a naturally ...

Quantum Âé¶¹ÒùÔºics Jun 25, 2025

A new approach to probing Landauer's principle in the quantum many-body regime

Landauer's principle is a thermodynamics concept also relevant in information theory, which states that erasing one bit of information from an information system results in the dissipation of at least a specific amount (i.e., ...

Optics & Photonics Jun 24, 2025

Researchers confirm fundamental conservation laws at the quantum level

Researchers at Tampere University and their collaborators from Germany and India have experimentally confirmed that angular momentum is conserved when a single photon is converted into a pair—validating a key principle ...

Condensed Matter Jun 23, 2025

Âé¶¹ÒùÔºicists confirm elusive quantum spin liquid in new study

An international team of scientists led by Rice University's Pengcheng Dai has confirmed the existence of emergent photons and fractionalized spin excitations in a rare quantum spin liquid. Published in Nature Âé¶¹ÒùÔºics on ...

Condensed Matter Jun 23, 2025

Vacuum fluctuations in optical cavities reveal hidden properties of embedded materials

Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) have theoretically demonstrated that photons trapped inside an optical cavity carry detailed information about a material placed within ...

Quantum Âé¶¹ÒùÔºics Jun 21, 2025

Universal embezzlers naturally emerge in critical fermion systems, study finds

Embezzlement of entanglement is an exotic phenomenon in quantum information science, describing the possibility of extracting entanglement from a resource system without changing its quantum state. In this context, the resource ...

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