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Quantum Physics 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 Physics Jul 2, 2025

Unique method enables simulation of error-correctable quantum computers

Quantum computers still face a major hurdle on their pathway to practical use cases: their limited ability to correct the arising computational errors. To develop truly reliable quantum computers, researchers must be able ...

Quantum Physics Jun 30, 2025

Q&A: Companies are racing to develop the first useful quantum computer—ultracold neutral atoms could be the key

The race to build the first useful quantum computer is on and may revolutionize the world with brand new capabilities, from medicine to freight logistics.

Superconductivity Jun 30, 2025

Enhanced quantum computers and beyond: Exploring magnons with superconducting qubits

Devices taking advantage of the collective quantum behavior of spin excitations in magnetic materials—known as magnons—have the potential to improve quantum computing devices. However, using magnons in quantum devices requires ...

Quantum Physics Jun 25, 2025

Control of spin qubits at near absolute zero provides path forward for scalable quantum computing

Developing technology that allows quantum information to be both stable and accessible is a critical challenge in the development of useful quantum computers that operate at scale. Research published in the journal Nature ...

Quantum Physics Jun 20, 2025

Magically reducing errors in quantum computers: Researchers invent technique to decrease overhead

For decades, quantum computers that perform calculations millions of times faster than conventional computers have remained a tantalizing yet distant goal. However, a new breakthrough in quantum physics may have just sped ...

Quantum Physics Jun 12, 2025

Trapped-ion advances break new ground in quantum computing

Research at the Quantum Systems Accelerator has been steadily breaking new ground, quickening the pace toward flexible, stable quantum computers with capabilities well beyond those of today's classical machines.

Quantum Physics Jun 12, 2025

A new problem that only quantum computing can solve

As quantum computing develops, scientists are working to identify tasks for which quantum computers have a clear advantage over classical computers. So far, researchers have only pinpointed a handful of these problems, but ...

Quantum Physics Jun 12, 2025

Understanding quantum computing's most troubling problem—the barren plateau

For the past six years, Los Alamos National Laboratory has led the world in trying to understand one of the most frustrating barriers that faces variational quantum computing: the barren plateau.

Quantum Physics Jun 10, 2025

IBM claims 'real world' edge in quantum computing race

Technology veteran IBM on Tuesday laid out a plan to have a "practical" quantum computer tackling big problems before the end of this decade.

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