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Optical experiment demonstrates the strong Mpemba effect in a single qubit
Optical experiment demonstrates the strong Mpemba effect in a single qubit: Typically, after a physical system is disturbed, it can gradually return toward a ...
phys.org/news/2026-11-optical-strong-mpemba-effect-qubit.html
Oak Ridge labs gets hybrid quantum-HPC system to test qubit error ...
Oak Ridge labs gets hybrid quantum-HPC system to test qubit error correction: Co-design platform for quantum error correction melds IBM quantum kit with AMD CPUs ...
theregister.com/hpc/2026/11/06/oak-ridge-labs-gets-hybrid-quantum-hpc-system-to-test-qubit-error-correction/5308187
Single molecules could provide the building blocks for future quantum ...
Single molecules could provide the building blocks for future quantum networks: Quantum computers rely on qubits as their units of information ...
phys.org/news/2026-11-molecules-blocks-future-quantum-networks.html
Scientists identify the origin of noise in spin qubit quantum processors
Scientists identify the origin of noise in spin qubit quantum processors: A spin qubit, in which quantum information is encoded in the spin state of an electron ...
phys.org/news/2026-06-scientists-noise-qubit-quantum-processors.html
Quantum chips could scale faster with new spin-qubit readout that reduces ...
Quantum chips could scale faster with new spin-qubit readout that reduces sensors and wiring
phys.org/news/2026-04-quantum-chips-scale-faster-qubit.html
Majorana qubits become readable as quantum capacitance detects even-odd ...
Majorana qubits become readable as quantum capacitance detects even-odd states: The race to build reliable quantum computers is fraught with obstacles ...
phys.org/news/2026-02-majorana-qubits-readable-quantum-capacitance.html
Metal–metal bonded molecule achieves stable spin qubit state ...
Metal–metal bonded molecule achieves stable spin qubit state, opening path toward quantum computing materials
phys.org/news/2026-01-metalmetal-bonded-molecule-stable-qubit.html
Key FactsCobalt Molecule with Metal Bonds Shows Stable Spin-Qubit States
Jan 6, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: phys.org
  • Co₃(dpa)₄Cl₂ consists of three linearly arranged cobalt ions and can change its spin state as a spin-crossover material.

  • Magnetic measurements and pulsed EPR spectroscopy showed slow magnetic relaxation and sufficiently long spin lifetimes.

  • The electron spin is delocalized across all three cobalt ions; clear Rabi oscillations also demonstrated coherent manipulation.

  • The results experimentally showed for the first time that a metal-bonded molecule can function as a spin qubit, providing new design strategies.
  • This work opens a new pathway for designing molecular qubits.
    — Professor Shinya Hayami, Kumamoto University, who led the study.
NIST Physicists Bring Unruly Molecules to the Quantum Party
NIST Physicists Bring Unruly Molecules to the Quantum Party: Molecules can serve as versatile building blocks for quantum technologies, but they are much harder ...
nist.gov/news-events/news/2025/12/nist-physicists-bring-unruly-molecules-quantum-party
Experimental proof shows quantum world is even stranger than previously ...
Experimental proof shows quantum world is even stranger than previously thought: The quantum world is famously weird—a single particle can be in two places at ...
phys.org/news/2025-11-experimental-proof-quantum-world-stranger.html
Quantum networks bring new precision to dark matter searches
Quantum networks bring new precision to dark matter searches: Detecting dark matter—the mysterious substance that holds galaxies together—is one of the greatest ...
phys.org/news/2025-10-quantum-networks-precision-dark.html
Rigorous approach quantifies and verifies almost all quantum states
Rigorous approach quantifies and verifies almost all quantum states: Quantum information systems, systems that process, store or transmit information leveraging ...
phys.org/news/2025-10-rigorous-approach-quantifies-quantum-states.html
Molecular coating cleans up noisy quantum light
Molecular coating cleans up noisy quantum light: Quantum technologies demand perfection: one photon at a time, every time, all with the same energy ...
phys.org/news/2025-10-molecular-coating-noisy-quantum.html
Key FactsPTCDA Layer Stabilizes Single-Photon Sources
Oct 3, 2025 · Reading time: ~45 sec.
Summary created with AI assistance · Source: phys.org
  • Northwestern University engineers coated both sides of atomically thin tungsten diselenide with a molecular layer of PTCDA.

  • It increased spectral purity by 87%, shifted photon color controllably, lowered activation energy, and preserved the semiconductor’s properties.

  • Defects in the two-dimensional semiconductor emit single photons but remain vulnerable to contaminants in the atmosphere.

  • The team plans to study other semiconductors and molecular coatings and drive emission electrically for quantum networks.
  • The big idea is that we want to go from individual quantum computers to quantum networks, and ultimately, a quantum internet. Quantum communication will occur using single photons. Our technology will help build single-photon sources that are stable, tunable and scalable—the essential components for making that vision a reality.
    — Mark C. Hersam, study's corresponding author at Northwestern University
Entangled states enhance energy transfer in models of molecular systems
Entangled states enhance energy transfer in models of molecular systems: A study from Rice University, published in PRX Quantum, has found that energy transfers ...
phys.org/news/2025-10-entangled-states-energy-molecular.html
First-principles simulations reveal quantum entanglement in molecular ...
First-principles simulations reveal quantum entanglement in molecular polariton dynamics
phys.org/news/2025-09-principles-simulations-reveal-quantum-entanglement.html
High-fidelity entangling gates connect remote superconducting quantum ...
High-fidelity entangling gates connect remote superconducting quantum processors: Quantum computers hold the potential of solving some optimization and data ...
phys.org/news/2025-08-high-fidelity-entangling-gates-remote.html