Local dissipation fundamentally alters quantum chaos signatures. Despite identical spectral statistics, local Lindbladians exhibit log-normal eigenoperator-entanglement distributions, revealing hidden structure beyond standard random-matrix diagnostics.
#QuantumChaos #OpenQuantumSystems #Research
#QuantumChaos #OpenQuantumSystems #Research
Universal Eigenoperator Entanglement in Local Lindbladians
arxiv.org
September 25, 2026 at 6:35 AM
Local dissipation fundamentally alters quantum chaos signatures. Despite identical spectral statistics, local Lindbladians exhibit log-normal eigenoperator-entanglement distributions, revealing hidden structure beyond standard random-matrix diagnostics.
#QuantumChaos #OpenQuantumSystems #Research
#QuantumChaos #OpenQuantumSystems #Research
Comprehensive review of four MPS-based algorithms for simulating open quantum systems via Lindblad equation integration. Compares vectorized and stochastic approaches, benchmarked against exact free-fermion models.
#QuantumSimulation #MatrixProductStates #OpenQuantumSystems
#QuantumSimulation #MatrixProductStates #OpenQuantumSystems
Introduction to Matrix Product State Algorithms for Lindblad Equation Integration
iq.fp2.dev
September 17, 2026 at 9:50 AM
Comprehensive review of four MPS-based algorithms for simulating open quantum systems via Lindblad equation integration. Compares vectorized and stochastic approaches, benchmarked against exact free-fermion models.
#QuantumSimulation #MatrixProductStates #OpenQuantumSystems
#QuantumSimulation #MatrixProductStates #OpenQuantumSystems
Establishing exact solvability for dissipative quantum dynamics in CFTs through conformal embeddings and topological defect lines, enabling analytical control of open quantum many-body systems beyond quasi-free approximations.
#ConformalFieldTheory #OpenQuantumSystems #Research
#ConformalFieldTheory #OpenQuantumSystems #Research
Exact Lindbladian Dynamics from Conformal Embeddings and Topological Defects
arxiv.org
July 13, 2026 at 5:55 AM
Establishing exact solvability for dissipative quantum dynamics in CFTs through conformal embeddings and topological defect lines, enabling analytical control of open quantum many-body systems beyond quasi-free approximations.
#ConformalFieldTheory #OpenQuantumSystems #Research
#ConformalFieldTheory #OpenQuantumSystems #Research
NITheCS Colloquium: ‘A Brief History of Open Quantum Systems' by Dr Graeme Pleasance (Stellenbosch University) - Mon, 28 July 2025 @ 16h00-17h00 SAST. Attend online or in person.
buff.ly/oQ7ZqcB
#Quantum #OpenQuantumSystems #iyq2025 #Thermodynamics
buff.ly/oQ7ZqcB
#Quantum #OpenQuantumSystems #iyq2025 #Thermodynamics
July 23, 2025 at 1:41 PM
NITheCS Colloquium: ‘A Brief History of Open Quantum Systems' by Dr Graeme Pleasance (Stellenbosch University) - Mon, 28 July 2025 @ 16h00-17h00 SAST. Attend online or in person.
buff.ly/oQ7ZqcB
#Quantum #OpenQuantumSystems #iyq2025 #Thermodynamics
buff.ly/oQ7ZqcB
#Quantum #OpenQuantumSystems #iyq2025 #Thermodynamics
Develops geometric landscape approach in covariance space showing how dissipation, bath fluctuations, and trapping potentials govern wave packet collapse, localization, and diffusion through underlying symmetry breaking.
#QuantumMechanics #OpenQuantumSystems #Research
#QuantumMechanics #OpenQuantumSystems #Research
Wave Packet Landscape in Open Quantum Systems
arxiv.org
May 18, 2026 at 6:03 AM
Develops geometric landscape approach in covariance space showing how dissipation, bath fluctuations, and trapping potentials govern wave packet collapse, localization, and diffusion through underlying symmetry breaking.
#QuantumMechanics #OpenQuantumSystems #Research
#QuantumMechanics #OpenQuantumSystems #Research
Strong system-bath coupling induces hierarchical population relaxation timescales in multilevel quantum systems through bright-dark mode decomposition, enabling engineered long-lived quantum states.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Hierarchical Relaxation Timescales from Strong System-Bath Coupling in Quantum Systems
arxiv.org
June 23, 2026 at 4:58 AM
Strong system-bath coupling induces hierarchical population relaxation timescales in multilevel quantum systems through bright-dark mode decomposition, enabling engineered long-lived quantum states.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
🧠✨ Can a quantum system learn better just by tweaking its boundaries?
New IFISC study in Optica Quantum shows how the Liouvillian skin effect shapes learning in quantum neural networks through dissipation.
🔗 ifisc.uib-csic.es/en/news/ifis...
#QuantumComputing #MachineLearning #OpenQuantumSystems
New IFISC study in Optica Quantum shows how the Liouvillian skin effect shapes learning in quantum neural networks through dissipation.
🔗 ifisc.uib-csic.es/en/news/ifis...
#QuantumComputing #MachineLearning #OpenQuantumSystems
June 10, 2025 at 8:12 AM
🧠✨ Can a quantum system learn better just by tweaking its boundaries?
New IFISC study in Optica Quantum shows how the Liouvillian skin effect shapes learning in quantum neural networks through dissipation.
🔗 ifisc.uib-csic.es/en/news/ifis...
#QuantumComputing #MachineLearning #OpenQuantumSystems
New IFISC study in Optica Quantum shows how the Liouvillian skin effect shapes learning in quantum neural networks through dissipation.
🔗 ifisc.uib-csic.es/en/news/ifis...
#QuantumComputing #MachineLearning #OpenQuantumSystems
Developed quantum circuit framework with auxiliary pseudomodes to simulate both Markovian and non-Markovian open quantum dynamics, validated against classical solvers for modeling hard probes in relativistic heavy-ion collisions.
#QuantumSimulation #OpenQuantumSystems #Research
#QuantumSimulation #OpenQuantumSystems #Research
Quantum Circuit Methods for Simulating Open Quantum Dynamics in Heavy-Ion Collisions
arxiv.org
September 1, 2026 at 5:16 AM
Developed quantum circuit framework with auxiliary pseudomodes to simulate both Markovian and non-Markovian open quantum dynamics, validated against classical solvers for modeling hard probes in relativistic heavy-ion collisions.
#QuantumSimulation #OpenQuantumSystems #Research
#QuantumSimulation #OpenQuantumSystems #Research
🧪⚛️[3/3] A huge thank you to the Theoretical Physics Coordination at CBPF for the kind invitation and for hosting me. The questions and subsequent discussion were a true highlight and have given me so much to think about.
#Physics #Quantum #QuantumComputing #Complexity #OpenQuantumSystems
#Physics #Quantum #QuantumComputing #Complexity #OpenQuantumSystems
September 16, 2025 at 12:47 PM
🧪⚛️[3/3] A huge thank you to the Theoretical Physics Coordination at CBPF for the kind invitation and for hosting me. The questions and subsequent discussion were a true highlight and have given me so much to think about.
#Physics #Quantum #QuantumComputing #Complexity #OpenQuantumSystems
#Physics #Quantum #QuantumComputing #Complexity #OpenQuantumSystems
Researchers developed an algorithm using frozen Gaussian approximation to reduce computational complexity of environmental effects on quantum systems, enabling deterministic 2D Caldeira-Leggett model simulations previously thought infeasible.
#QuantumSimulation #OpenQuantumSystems #News
#QuantumSimulation #OpenQuantumSystems #News
Algorithm Halves Spatial Dimensionality in Open Quantum System Simulations
iq.fp2.dev
September 2, 2026 at 8:12 PM
Researchers developed an algorithm using frozen Gaussian approximation to reduce computational complexity of environmental effects on quantum systems, enabling deterministic 2D Caldeira-Leggett model simulations previously thought infeasible.
#QuantumSimulation #OpenQuantumSystems #News
#QuantumSimulation #OpenQuantumSystems #News
Comprehensive review of stochastic unraveling techniques enabling efficient simulation of realistic non-Markovian quantum systems. Compares methods handling negative decay rates and provides unified comparison of jump-based approaches.
#QuantumSimulation #NonMarkovian #OpenQuantumSystems
#QuantumSimulation #NonMarkovian #OpenQuantumSystems
Quantum Jump Unravelings for Non-Markovian Open System Dynamics: A Comprehensive Review
iq.fp2.dev
May 11, 2026 at 8:07 AM
Comprehensive review of stochastic unraveling techniques enabling efficient simulation of realistic non-Markovian quantum systems. Compares methods handling negative decay rates and provides unified comparison of jump-based approaches.
#QuantumSimulation #NonMarkovian #OpenQuantumSystems
#QuantumSimulation #NonMarkovian #OpenQuantumSystems
New algorithm cuts computational cost for open quantum system simulations by half through low-rank bath correlation approximation and frozen Gaussian dynamics, achieving first deterministic 2D Caldeira-Leggett model simulations.
#QuantumSimulation #OpenQuantumSystems #News
#QuantumSimulation #OpenQuantumSystems #News
Efficient Simulation of Multidimensional Open Quantum Systems Using Reduced Dimensionality Methods
quantum-journal.org
September 2, 2026 at 11:03 AM
New algorithm cuts computational cost for open quantum system simulations by half through low-rank bath correlation approximation and frozen Gaussian dynamics, achieving first deterministic 2D Caldeira-Leggett model simulations.
#QuantumSimulation #OpenQuantumSystems #News
#QuantumSimulation #OpenQuantumSystems #News
Here is the preprint:
arxiv.org/abs/2506.23928
#OpenQuantumSystems #ComputationalPhysics #ManyBodyPhysics #QuantumMonteCarlo #QuantumMetrology #Quantum 🧪
arxiv.org/abs/2506.23928
#OpenQuantumSystems #ComputationalPhysics #ManyBodyPhysics #QuantumMonteCarlo #QuantumMetrology #Quantum 🧪
Unraveling Open Quantum Dynamics with Time-Dependent Variational Monte Carlo
We introduce a method to simulate open quantum many-body dynamics by combining time-dependent variational Monte Carlo (tVMC) with quantum trajectory techniques. Our approach unravels the Lindblad mast...
arxiv.org
July 22, 2025 at 10:29 AM
Quantum coherence accelerates classical randomization in permutation walks without sacrificing information at the density matrix level. Coherent and dissipative dynamics cooperate to achieve faster measurement-basis mixing via Lindblad evolution.
#QuantumWalks #OpenQuantumSystems #Research
#QuantumWalks #OpenQuantumSystems #Research
Quantum-Enhanced Mixing on Permutation Groups
iq.fp2.dev
September 17, 2026 at 2:17 PM
Quantum coherence accelerates classical randomization in permutation walks without sacrificing information at the density matrix level. Coherent and dissipative dynamics cooperate to achieve faster measurement-basis mixing via Lindblad evolution.
#QuantumWalks #OpenQuantumSystems #Research
#QuantumWalks #OpenQuantumSystems #Research
Demonstrates how irreversible statistical mechanics and thermodynamic behavior emerge from reversible quantum dynamics using exact open system theory, resolving century-old paradoxes about the origin of probability in quantum systems.
#QuantumThermodynamics #OpenQuantumSystems #Research
#QuantumThermodynamics #OpenQuantumSystems #Research
How Statistical Probability Emerges from Reversible Quantum Dynamics: A Dynamical Solution to Hilbert's Sixth Problem
arxiv.org
September 17, 2026 at 3:50 AM
Demonstrates how irreversible statistical mechanics and thermodynamic behavior emerge from reversible quantum dynamics using exact open system theory, resolving century-old paradoxes about the origin of probability in quantum systems.
#QuantumThermodynamics #OpenQuantumSystems #Research
#QuantumThermodynamics #OpenQuantumSystems #Research
Transient system-bath correlations trigger anomalous relaxation: hotter quantum systems can thermalize faster than colder ones when initial-slip dynamics dominate, persisting beyond Markovian approximations.
#QuantumThermodynamics #OpenQuantumSystems #Research
#QuantumThermodynamics #OpenQuantumSystems #Research
Initial-Slip Dynamics Enable Quantum Mpemba Effect in Dissipative Systems
iq.fp2.dev
September 16, 2026 at 4:30 AM
Transient system-bath correlations trigger anomalous relaxation: hotter quantum systems can thermalize faster than colder ones when initial-slip dynamics dominate, persisting beyond Markovian approximations.
#QuantumThermodynamics #OpenQuantumSystems #Research
#QuantumThermodynamics #OpenQuantumSystems #Research
Coherent boundary conditions can tune dissipative relaxation rates in nonreciprocal open quantum systems through damped coherences, enabling spectral gap control without direct dissipator modification.
#OpenQuantumSystems #LiouvillianDynamics #Research
#OpenQuantumSystems #LiouvillianDynamics #Research
Boundary Control of Liouvillian Gaps via Coherence-Mediated Feedback in Open Quantum Systems
arxiv.org
September 9, 2026 at 3:03 PM
Coherent boundary conditions can tune dissipative relaxation rates in nonreciprocal open quantum systems through damped coherences, enabling spectral gap control without direct dissipator modification.
#OpenQuantumSystems #LiouvillianDynamics #Research
#OpenQuantumSystems #LiouvillianDynamics #Research
Identifies a fundamental threshold in Liouvillian spectra: recovering dephasing rates requires at least D=2^n modes. Critical insight for characterizing dissipation in quantum devices through spectral analysis.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Spectral Identifiability Thresholds for Dissipative Rate Recovery in Open Quantum Systems
iq.fp2.dev
September 1, 2026 at 2:51 AM
Identifies a fundamental threshold in Liouvillian spectra: recovering dephasing rates requires at least D=2^n modes. Critical insight for characterizing dissipation in quantum devices through spectral analysis.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Novel well-conditioned iterative methods for Lindblad master equations enable efficient computation of steady states and low-lying spectra in large quantum systems, achieving O(n³) complexity with significant GPU speedups over existing solvers.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Efficient Iterative Solvers for Large Open Quantum Systems via Lyapunov Preconditioners
arxiv.org
September 1, 2026 at 6:37 AM
Novel well-conditioned iterative methods for Lindblad master equations enable efficient computation of steady states and low-lying spectra in large quantum systems, achieving O(n³) complexity with significant GPU speedups over existing solvers.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Novel Levi-type decomposition theorem extends classical Lie algebra structure theory to open quantum systems, revealing how dissipation encodes geometrically in dynamical Lie wedges. Bridges Lie semigroup theory with quantum control theory.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Geometry of Dissipative Complexity in Markovian Quantum Dynamics
arxiv.org
August 28, 2026 at 6:39 AM
Novel Levi-type decomposition theorem extends classical Lie algebra structure theory to open quantum systems, revealing how dissipation encodes geometrically in dynamical Lie wedges. Bridges Lie semigroup theory with quantum control theory.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Developed efficient polynomial-time algorithm to reconstruct time-local Liouvillians for quantum subsystems embedded in many-body chains. Analysis reveals ballistic spreading of dissipation and conditions favoring Markovian vs non-Markovian dynamics.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Lindbladian Framework for Subsystem Dynamics in Noninteracting Quantum Chains
arxiv.org
August 24, 2026 at 2:43 AM
Developed efficient polynomial-time algorithm to reconstruct time-local Liouvillians for quantum subsystems embedded in many-body chains. Analysis reveals ballistic spreading of dissipation and conditions favoring Markovian vs non-Markovian dynamics.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Proves that non-factorisable quantum system-environment interactions always produce non-linear reduced dynamics, generalizing fundamental results about completely positive maps in open quantum systems.
#QuantumInformation #OpenQuantumSystems #Research
#QuantumInformation #OpenQuantumSystems #Research
Deviation from Linear Reduced Dynamics in Non-Factorisable System-Environment Evolutions
iq.fp2.dev
August 20, 2026 at 3:49 AM
Proves that non-factorisable quantum system-environment interactions always produce non-linear reduced dynamics, generalizing fundamental results about completely positive maps in open quantum systems.
#QuantumInformation #OpenQuantumSystems #Research
#QuantumInformation #OpenQuantumSystems #Research
New research demonstrates how random frequency modulation can protect quantum coherence in bilinear bosonic models, suppressing energy leakage into the environment. Key breakthrough for controlling open quantum systems.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Exact Dynamics of First-Order System–Bath Coherence in Bilinear Bosonic Models
iq.fp2.dev
August 13, 2026 at 5:31 AM
New research demonstrates how random frequency modulation can protect quantum coherence in bilinear bosonic models, suppressing energy leakage into the environment. Key breakthrough for controlling open quantum systems.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Novel operational spectral theory separates excitation, propagation, and detection of Liouvillian modes. Reveals how coherent preparations suppress switching modes and identifies channel-selective routing in driven Kerr systems.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
Operational Spectral Theory for Liouvillian Modes in Driven Kerr Resonators
iq.fp2.dev
August 6, 2026 at 5:44 AM
Novel operational spectral theory separates excitation, propagation, and detection of Liouvillian modes. Reveals how coherent preparations suppress switching modes and identifies channel-selective routing in driven Kerr systems.
#QuantumControl #OpenQuantumSystems #Research
#QuantumControl #OpenQuantumSystems #Research
DAMPyF enables numerically exact simulations of quantum systems coupled to structured environments using tensor-network methods, with applications spanning molecular dynamics, photonic systems, and trapped-ion quantum simulators.
#QuantumSimulation #OpenQuantumSystems #Research
#QuantumSimulation #OpenQuantumSystems #Research
DAMPyF: Python Implementation of DAMPF for Open Quantum Systems
arxiv.org
August 5, 2026 at 6:07 AM
DAMPyF enables numerically exact simulations of quantum systems coupled to structured environments using tensor-network methods, with applications spanning molecular dynamics, photonic systems, and trapped-ion quantum simulators.
#QuantumSimulation #OpenQuantumSystems #Research
#QuantumSimulation #OpenQuantumSystems #Research