EDITORIAL

Quantum Journal

Curated quantum news, analysis, and ecosystem coverage — organized like a digital publication.

OCTOBER 2026

Research

Research coverage · 1448 articles · newest first

Exploring Quantum Phase Transitions Beyond Landau Theory on a Quantum Processor

Direct continuous quantum phase transitions between phases that break distinct symmetries challenge the conventional Landau-Ginzburg-Wilson paradigm and provide a framework for deconfined quantum criticality. Here, we investigate a Landau-forbidden ferromagnetic-to-valence-bond-solid (FM-VBS) transition in a frustrated one-dimensional spin chain using superconducting quantum processors. Combining matrix-product-state-assisted circuit preparation...

Oct 19, 2026

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RESEARCH

Multi-Time States in Quantum and Operational Probabilistic Theories: An Axiomatic Framework

Oct 19, 2026

RESEARCH

Resonant pair production and flat band melting in a driven Rydberg chain

Oct 19, 2026

RESEARCH

DGIST Launches 26 Billion Won Push for Ultra-Precise Quantum Sensors - Seoul Economic Daily

Oct 19, 2026

RESEARCH

Light and mirrors move large quantum computers closer to reality

Oct 19, 2026

RESEARCH

New monolithic ion trap opens quantum simulations to more researchers

Oct 18, 2026

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RESEARCH

A new way to detect stabilizing properties of optical devices

In optical fibers, chips and other light-guiding devices, minor defects can scatter photons and disrupt their path. A new study demonstrates a way to reveal properties which, in certain systems, help light wave behavior withstand such flaws. The method could help speed up the search for new kinds of electronics and optical technologies, and contribute to more reliable quantum devices.

Oct 18, 2026

RESEARCH

Physicists prove a long-suspected quantum speed limit for thermalization

Whether we are waiting for a car windshield to defrost in winter or a warm drink to cool down, how long it takes for an object to settle into a stable, even temperature within its environment (thermal equilibrium) depends on numerous factors. These can include surface area, the material properties of an object and airflow.

Oct 18, 2026

$Physicists create a bizarre new quantum state called a fractional fermi sea$

RESEARCH

Physicists create a bizarre new quantum state called a fractional fermi sea

Physicists have discovered a strange new state of quantum matter in which ultracold atoms defy familiar organizational rules, forming a highly excited yet surprisingly orderly configuration called a "fractional Fermi sea." The discovery challenges established quantum theories and hints at exotic quasiparticles that scientists have dubbed potential "super-Fermions."

Oct 18, 2026

RESEARCH·Oct 18, 2026

Advancing the Quantum Frontier: Research Initiatives at the University of Glasgow

The University of Glasgow is establishing itself as a pivotal hub for quantum computing research and education. The initiative aims to bridge the gap between theoretical physics and practical computational applications.

RESEARCH·Oct 18, 2026

Quantinuum vs. IonQ: Why One Major Wall Street Firm Says This Stock Is the Better Bet - The Globe and Mail

RESEARCH·Oct 18, 2026

Hybrid diamond chip strengthens interactions between light and quantum bits

Researchers have developed and demonstrated a new hybrid photonic platform that integrates quantum emitters with photonic devices, providing a way to reliably control the interaction between photons and quantum information carriers. The chip-based platform, which combines gallium phosphide (GaP) with a diamond substrate, could help make quantum networks more practical by providing a way to connect quantum devices over long distances.

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