Jay Gambetta
@jaygambetta
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Last week at #QDC25 we unveiled major updates to dynamic circuits — one of the most powerful tools for bringing real-time classical logic directly into quantum execution. The result: faster mid-circuit measurement, ~600 ns feedforward, parallel conditional ops, better timing
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Last week I shared our recent arXiv paper detailing the world’s largest entangled state, with 120 qubits at 56% fidelity with a shot-retention rate of 28%, run on Heron R2 ibm_aachen. Now, with our new Heron R3 ibm_boston, we established a new record GHZ state on 140 qubits at
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We just entangled 120 qubits — the largest entangled state ever achieved on a quantum computer. Read the full letter here: https://t.co/rOwPVoHos4
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A few months ago we shared how our Relay-BP algorithm advanced qLDPC decoding. Now we’ve taken the next step—bringing real-time decoding to hardware. We built an FPGA-based Relay-BP decoder for the gross code that fits on a single AMD VU19P and achieves over 8× faster than
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Qiskit Fall Fest 2025 is here. In just 5 years, this community has grown from 89 interests in 2023 → 1.3K in 2025. Now hosted by 150 institutions across 49 countries, we expect over 10K participants this year. Hackathons, coding challenges, workshops, speaker series — all
ibm.com
The Qiskit Fall Fest is a collection of quantum computing events from universities around the world, organized by students and supported by the IBM Quantum community.
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Last week we unveiled a full-scale model of IBM Quantum System One at Chicago O’Hare In collaboration with @UChicago @UChicagoPME, @APSphysics & @united, this installation celebrates a milestone in quantum: the first IBM quantum computer designed for data centers. With 60,000+
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With @Vanguard_Group, we tested sampling-based VQAs for portfolio construction. Blog: https://t.co/PjzeCt9usz Paper:
arxiv.org
The efficient and effective construction of portfolios that adhere to real-world constraints is a challenging optimization task in finance. We investigate a concrete representation of the problem...
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The ability to reset a qubit at will is critical for scaling quantum computing. Our team has now shown this can be done with a dynamic range of more than four orders of magnitude. In the RESET OFF spot, the qubit maintains hundreds of microseconds of coherence, while in the RESET
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Early results with @HSBC show quantum computing may bring value to finance. Using production bond-market data, researchers achieved up to 34% better trade-fill prediction. A glimpse of how domain expertise + quantum research = progress.
arxiv.org
The estimation of fill probabilities for trade orders represents a key ingredient in the optimization of algorithmic trading strategies. It is bound by the complex dynamics of financial markets...
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Our team, together with Oak Ridge National Laboratory, has performed the largest quantum ground state simulation of the Anderson model to date. This is the first simulation beyond the reach of exact diagonalization. The study used 70 qubits, four impurities, seven bath sites per
arxiv.org
Approximating the ground state of many-body systems is a key computational bottleneck underlying important applications in physics and chemistry. The most widely known quantum algorithm for ground...
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Since 2016, we’ve been giving researchers free access to IBM quantum computers. Now, the upgraded IBM Quantum Credits program provides access to our most powerful systems to drive high-impact research toward quantum advantage. Apply here:
ibm.com
Apply today for free access to cutting-edge IBM quantum capabilities
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With our collaborators from BasQ, CERN, UAM–CSIC, Wigner, the team used a 144-qubit superconducting processor to simulate the real-time dynamics of confining strings in gauge theory an important problem for quantum simulation in high-energy physics. See the paper
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On ibm_aachen, our new SqDRIFT algorithm achieved 48-qubit electronic structure simulations of coronene with accuracy beyond post-Hartree-Fock, narrowing the gap with SCI and opening the door to quantum-centric supercomputing for chemistry: https://t.co/uiWEBrkckE
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I’m excited to announce a new collaboration with @AMD to develop the next generation of computing architectures for quantum-centric supercomputing (QCSC):
newsroom.ibm.com
IBM and AMD announced plans to develop next-generation computing architectures based on the combination of quantum computers and high-performance computing, known as quantum-centric supercomputing.
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Quantum moves fast at IBM in H1 2025 we: • Launched new Qiskit templates like SQD IEF-PCM with Cleveland Clinic • Released a C API for deeper HPC integration • Introduced the Flex Plan for project-based access • Improved speed & fidelity with new Heron r2 chips • Built
ibm.com
A roundup of the latest and greatest from IBM Quantum®.
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I’m pleased to announce the release of our Heron r3, ibm_pittsburgh, which delivers our best coherence (T1/T2), readout fidelity, and EPLG to date, along with a improved quantum volume of 2048.
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We just relaunched the Qiskit Advocate Program. Apply now to join and grow with the quantum community https://t.co/45HtrxWkqH
ibm.com
Join a community committed to shaping the future of quantum computing.
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