Last week we were pleased to host St Andrews alumni Sir Professor Michael Berry who gave an interesting and insightful colloquium "A plurality of optical singularities: intensity, phase, polarisation".
February 20, 2026 at 10:54 PM
Analysis reveals that the imaginary part of the quantum geometric tensor for mixed states cannot serve as a true U(1) connection curvature, displaying non-quantized ambiguities absent in pure states.
#QuantumGeometry #BerryPhase #Research
#QuantumGeometry #BerryPhase #Research
Berry Curvature Geometry of Mixed Quantum States
arxiv.org
September 21, 2026 at 4:02 AM
Analysis reveals that the imaginary part of the quantum geometric tensor for mixed states cannot serve as a true U(1) connection curvature, displaying non-quantized ambiguities absent in pure states.
#QuantumGeometry #BerryPhase #Research
#QuantumGeometry #BerryPhase #Research
youtu.be/mXbhVhN24fE?...
What if molecules whispered prime numbers?
#QuantumTorsion #BerylliumClusters #PrimeHarmonics #BerryPhase #QuantumRotation #QTPTC #FractalMath #Quaternion #ModularMath #PascalTriangle #QuantumChemistry #QuantumFactorization #AncientMath #TetrahedralSymmetry
What if molecules whispered prime numbers?
#QuantumTorsion #BerylliumClusters #PrimeHarmonics #BerryPhase #QuantumRotation #QTPTC #FractalMath #Quaternion #ModularMath #PascalTriangle #QuantumChemistry #QuantumFactorization #AncientMath #TetrahedralSymmetry
🧬 Quantum Torsion & Prime Harmonics A Hidden Code in Matter 🔺 Be₂ · Be₃★ · Be₅ 🔻
YouTube video by Erydir - Ceisiwr
youtu.be
May 22, 2025 at 12:22 PM
An Editors' Pick via #OPG_OL: Broadband achromatic illusion via a transmission-reflection-integrated metasurface https://bit.ly/4xwHSkJ #BerryPhase #InformationProcessing💡⚛️
September 4, 2026 at 10:04 PM
An Editors' Pick via #OPG_OL: Broadband achromatic illusion via a transmission-reflection-integrated metasurface https://bit.ly/4xwHSkJ #BerryPhase #InformationProcessing💡⚛️
Revealed that nonreciprocal behavior in non-Hermitian Landau-Zener transitions originates from complex Berry phase effects, advancing understanding of quantum dynamics in PT-symmetric systems.
#NonHermitianPhysics #BerryPhase #Research
#NonHermitianPhysics #BerryPhase #Research
Berry Phase-Induced Modulation in Non-Hermitian Quantum Transitions
arxiv.org
July 7, 2026 at 3:59 AM
Revealed that nonreciprocal behavior in non-Hermitian Landau-Zener transitions originates from complex Berry phase effects, advancing understanding of quantum dynamics in PT-symmetric systems.
#NonHermitianPhysics #BerryPhase #Research
#NonHermitianPhysics #BerryPhase #Research
Es wurde offenbart, dass nichtreziproke Effekte in nicht-hermitischen Landau-Zener-Übergängen aus komplexen Berry-Phase-Effekten stammen, was das Verständnis der Quantendynamik in PT-symmetrischen Systemen vorantreibt.
#NichtHermitischePhysik #BerryPhase #Forschung
#NichtHermitischePhysik #BerryPhase #Forschung
Berry-Phase-induzierte Modulation in nicht-hermitischen Quantenübergängen
iq.fp2.dev
July 7, 2026 at 4:01 AM
Es wurde offenbart, dass nichtreziproke Effekte in nicht-hermitischen Landau-Zener-Übergängen aus komplexen Berry-Phase-Effekten stammen, was das Verständnis der Quantendynamik in PT-symmetrischen Systemen vorantreibt.
#NichtHermitischePhysik #BerryPhase #Forschung
#NichtHermitischePhysik #BerryPhase #Forschung
#MichaelBerry should have a Nobel prize of physics #Berryphase
February 20, 2026 at 10:54 PM
#MichaelBerry should have a Nobel prize of physics #Berryphase
Coupling to collective fluctuations generates spectral Berry curvature via non-commutative transverse fluctuations and time-nonlocal interactions, experimentally detectable through resonant inelastic x-ray scattering in momentum-resolved maps.
#QuantumGeometry #BerryPhase #Research
#QuantumGeometry #BerryPhase #Research
Geometric Curvature Driven by Many-Body Collective Fluctuations
arxiv.org
May 20, 2026 at 4:07 AM
Coupling to collective fluctuations generates spectral Berry curvature via non-commutative transverse fluctuations and time-nonlocal interactions, experimentally detectable through resonant inelastic x-ray scattering in momentum-resolved maps.
#QuantumGeometry #BerryPhase #Research
#QuantumGeometry #BerryPhase #Research
Researchers demonstrated that geometric Berry phase (π) can emerge from real-valued eigenfunctions using metric graphs—challenging prior assumptions. Novel vertex conditions enable topology-changing Hamiltonians while maintaining real wavefunctions.
#BerryPhase #QuantumGraphs #Research
#BerryPhase #QuantumGraphs #Research
Berry's Phase Under Topology Change
arxiv.org
May 12, 2026 at 10:52 AM
Researchers demonstrated that geometric Berry phase (π) can emerge from real-valued eigenfunctions using metric graphs—challenging prior assumptions. Novel vertex conditions enable topology-changing Hamiltonians while maintaining real wavefunctions.
#BerryPhase #QuantumGraphs #Research
#BerryPhase #QuantumGraphs #Research