#QuantumComputation
Via #OPG_OpticaQ: Engineering a cubic quantum nondemolition gate with mesoscopic optical parametric interactions https://bit.ly/4iMU2QB #QuantumComputation #OpticalAmplifiers 💡⚛️
November 12, 2026 at 4:53 PM
New quantum algorithm achieves polynomial-time state synthesis to inverse-exponential precision using only an NP oracle, improving on previous PP/PSPACE requirements. Evidence suggests NP is optimal.

#QuantumAlgorithms #QuantumComputation #Research
State Synthesis with an NP Oracle
arxiv.org
November 3, 2026 at 8:15 AM
Mathematical framework connecting non-planar contact structures to topological quantum operations through Calabi–Yau Stein fillings, comparing Ising and Fibonacci anyon models on branched covers.

#TopologicalQuantum #ContactGeometry #QuantumComputation
Non-Planar Topologies and Quantum Computation via Calabi–Yau Structures
arxiv.org
October 31, 2026 at 11:38 PM
Mathematical framework connecting non-planar contact structures to topological quantum operations through Calabi–Yau Stein fillings, comparing Ising and Fibonacci anyon models on branched covers.

#TopologicalQuantum #ContactGeometry #QuantumComputation
Non-Planar Topologies and Quantum Computation via Calabi–Yau Structures
arxiv.org
October 31, 2026 at 11:38 PM
Hybrid quantum-classical method reconstructs energy-level degeneracies and thermodynamic properties using a single ancilla qubit. Demonstrated on frustrated Ising antiferromagnets with up to 36 spins using IBM quantum processors.

#QuantumComputation #SpinSystems #Research
Quantum Computation of Energy-Level Degeneracy and Thermodynamic Properties of Spin Systems
arxiv.org
October 27, 2026 at 6:35 AM
Novel variational perturbation theory extends steady-state computation efficiency in open quantum systems, eliminating costly pseudo-inverse operations and expanding convergence radius even near dissipative phase transitions.

#QuantumComputation #NumericalMethods #News
Variational Perturbation Theory for Open Quantum Steady State Computation
iq.fp2.dev
October 22, 2026 at 5:17 PM
Via #OPG_OpticaQ: Ultra-low-noise heralded single photons from counter-propagating SPDC https://bit.ly/4y91axb #QuantumComputation #RamanScattering 💡⚛️
September 24, 2026 at 2:54 AM
Magic Hamiltonians combined with cheap local controls achieve quantum computational universality. Ising Hamiltonian examples proven with explicit algorithms, though requiring exponential time. Opens new control strategies for quantum systems.

#QuantumControl #QuantumComputation #Research
Magic Hamiltonians Enable Universal Quantum Computation
iq.fp2.dev
September 15, 2026 at 11:43 PM
DMRG study reveals Moore-Read non-Abelian chiral spin liquid in spin-1 antiferromagnet with quantized Chern number C=1 and SU(2)₂ CFT spectrum, promising for topological quantum computation.

#TopologicalQuantum #ChiralSpinLiquid #QuantumComputation
Moore-Read Non-Abelian Chiral Spin Liquid in Spin-1 Square Lattice Model
arxiv.org
September 15, 2026 at 10:42 PM
September 13, 2026 at 12:34 AM
Via #OPG_Optica: Integrated bright source of polarization-entangled photons using lithium niobate photonic chips https://bit.ly/4qZmbrf #QuantumComputation #QuantumPhotonics 💡⚛️
September 9, 2026 at 11:45 AM
Novel RUS-POVM approach reduces quantum resources polynomially by introducing intermediate measurements on a single ancillary qubit, enabling efficient multi-step quantum computation with significantly fewer qubits and unitary operations.

#QuantumAlgorithms #QuantumComputation #Research
Resource-Efficient Quantum Computation via RUS-POVM Measurements
arxiv.org
September 9, 2026 at 11:00 AM
Solves long-standing optimization problem: nonlocal magic (quantum correlations beyond Clifford reach) equals entanglement spectrum distance from nearest Bell-pair sector. Measurement via entanglement spectroscopy now accessible at many-body scale.

#QuantumInformation #QuantumComputation #Research
Exact Quantification of Nonlocal Magic in Quantum States
iq.fp2.dev
August 31, 2026 at 5:55 AM
Theory of Quantum Computation, Communication and Cryptography (TQC) 2025, organized by Indian Institute of Science, Bengaluru, India

#QuantumComputation #QuantumCommunication #QuantumCryptography

www.quantiki.org/conference/t...
Theory of Quantum Computation, Communication and Cryptography (TQC) 2025 | Quantiki
www.quantiki.org
February 19, 2025 at 9:37 PM
Summer School: Mathematical Aspects of Quantum Information and Computation, June 16-20, 2025, France, organized by Université Paris-Saclay @univparissaclay.bsky.social and Institut Polytechnique de Paris @ipparis.bsky.social

#QuantumInformation #QuantumComputation

www.quantiki.org/conference/s...
Summer school: Mathematical Aspects of Quantum Information and Computation | Quantiki
www.quantiki.org
February 14, 2025 at 7:35 AM
Mid-circuit measurements are a powerful tool for state preparation. In contrast, their usefulness for #quantumcomputation remains comparatively less well understood. We demonstrate that #midcircuitmeasurementscan enable quantum advantages even in shallow circuits.

journals.aps.org/prl/abstract...
February 23, 2026 at 2:37 PM
Via #OPG_OpEx: Experimental investigation of maximum-confidence measurements and their contextual advantages https://bit.ly/42QCpaO #InformationProcessing #QuantumComputation💡⚛️
May 7, 2026 at 5:02 PM
An Editors' Pick via #OPG_OpEx: Generation of 10-dB squeezed light from a broadband waveguide optical parametric amplifier with improved phase locking method\ https://bit.ly/4lColKN #QuantumComputation #SqueezedStates💡⚛️
March 21, 2026 at 10:23 PM
N. Spagnolo, from the group of @FabioSciarrino, discussing on integrated photonic circuits for quantum simulation of spin chain dynamics #qsc2018 #quantumphotonics #quantumsimulation #quantumcomputation
February 6, 2025 at 4:09 PM
Happy to serve as a guest editor for SpecialIssue "Quantum Information and Quantum Computation" of Entropy.

🏛️Submit to the Special Issue: www.mdpi.com/journal/entr...
🏛️Submission deadline: 30 October 2025
#QuantumInformation
#QuantumComputation #QuantumAlgorithm
March 2, 2025 at 12:04 PM
👨‍🔬 Prof. Michael Ortiz is a world-renowned expert in computational mechanics, materials science, and structural engineering. With decades of experience, he has made groundbreaking contributions to the modelling of materials and structures under extreme conditions.

#QuantumComputation
December 16, 2024 at 7:28 AM
More incremental improvement in #quantumcomputation. (And yes, cat qubits are named after Schrodinger's cat.) @ioppublishing.bsky.social physicsworld.com/a/cat-qubits...
Cat qubits open a faster track to fault-tolerant quantum computing – Physics World
Amazon team claims its Ocelot chip could speed up development by 3‒5 years
physicsworld.com
March 22, 2025 at 5:41 PM
IBM researchers link two quantum processors in real time, creating a 142-qubit system using dynamic circuits and virtual gates for modular quantum computing. #quantumcomputation
IBM Quantum Breakthrough: Linking Chips in Real-Time to Expand Qubit Power
hackernoon.com
March 20, 2026 at 11:29 AM