#open quantum systems
31 resultsHomogeneous and Isotropic Linearized Gravity as a Caldeira--Leggett System
Pelayo V. Calzada, Pedro Bargueño
The paper demonstrates that homogeneous and isotropic linearized gravity can be mapped onto a Caldeira–Leggett open‑system model, yielding a generalized Langevin equation for metri…
Quantum coherence and entanglement in wireless quantum batteries
Jun-Jie Jiang, Jin-Di Cao, Yu-Fei Zhang +2
The paper studies how a wireless quantum battery charged through a common structured bosonic environment behaves, focusing on how quantum coherence, entanglement, non‑Markovian mem…
Learning Arbitrary Lindbladians from Time Evolution
Zhili Chen, Zhan Yu
The paper presents an efficient algorithm for learning the full generator (Lindbladian) of a Markovian open quantum system from its time evolution, requiring only product Pauli pre…
Quantum model reduction based on Oja's flow
Miguel Casanova, Kentaro Ohki, Francesco Ticozzi
The paper introduces two non‑perturbative algorithms based on Oja's continuous‑time principal component flow to obtain reduced dynamical models for Markovian open quantum systems,…
Optimising Trotter-Suzuki Simulations of Markovian Open Quantum Systems via Classical Search
S. M. Pillay, I. J. David, I. Sinayskiy +1
The paper derives analytic bounds for first- and second-order deterministic and randomized Trotter‑Suzuki product formulas for simulating Markovian open quantum systems, and introd…
Efficient Lindbladian Learning from Constant-Time Pauli Responses
Jiaxing Song, Yukun Zhang, Xiao Yuan +1
The paper presents efficient methods for learning the generator (Lindbladian) of open many‑body quantum systems from short‑time local Pauli response data, resolving coherent‑dissip…
Interacting hydrodynamic modes in spinless fermions with dephasing noise
Fabian H. L. Essler, Patrik Penc
The paper analyzes the non‑equilibrium dynamics of spinless fermions under dephasing noise using a Lindblad framework, mapping the problem to an exactly solvable Hubbard model with…
Engineering a Quantum Thermal Diode with Floquet Driving
Aqsa Rehman, M. Tahir Naseem, Adam Zaman Chaudhry
The paper proposes a quantum thermal diode built from two Ising‑coupled qubits whose heat flow can be strongly rectified using Floquet (periodic) driving, and derives a Floquet‑LGK…
Lindbladian quantization of mechanical systems with nonholonomic constraints
Daniel Schubring, Sriram Ganeshan
The paper develops a method to quantize mechanical systems with nonholonomic (velocity) constraints by modeling them as Markovian open quantum systems using Lindblad dynamics, and…
Correlation functions for quantum dynamics of coupled quasinormal modes and quantum emitters interacting via finite-delay propagating photons
Robert Meiners Fuchs, Juanjuan Ren, Sebastian Franke +2
The paper develops a time‑dependent framework describing how lossy cavities and quantum emitters interact through delayed photons, using quantized quasinormal modes and non‑bosonic…
An experimental pathway towards an exact theory of strong coupling
Eugenia Pyurbeeva, Ronnie Kosloff
The paper presents an exact description of a two‑level system strongly coupled to its environment using an alternative form of the GKLS master equation, and proposes a solid‑state…
Geometric Mode Steering of the Quantum Mpemba Effect
Yingying Hong, Longxing Xu, Weiwei Zhang +2
The paper proposes a geometric steering protocol that reshapes quantum states before relaxation, reducing overlap with slow Liouvillian modes and enabling faster convergence to equ…
Studying the effect of phonon coherence and inflow on hydrogen bond formation in the $[(\mathrm{H}_2\mathrm{O})_2]^m$ cluster
Hui-hui Miao
The paper presents a simplified open‑quantum‑system model to study how coherent and incoherent phonon modes affect hydrogen‑bond formation in small water clusters, showing that pho…
Markovian evolution from a novel scheme
Fardin Kheirandish, Zahra Iranshahi, Fatemeh Bakhtiari +1
The paper presents a computational framework that builds the reduced density matrix of open quantum many‑body systems by coupling the system to a copy of itself with a decaying int…
Sudden death of entanglement, rebirth of magic
Chenfeng Cao
The paper studies how local Markovian noise can destroy entanglement irreversibly while allowing quantum "magic" to disappear and later reappear in GHZ states under amplitude dampi…
Nonreciprocal Relaxation Acceleration
Xingyu Zhang, Yihan Ma, Yue Liu +5
The authors demonstrate that a transient nonreciprocal dissipative channel can dramatically speed up the relaxation of a two‑mode bosonic system toward a nonequilibrium steady stat…
Analytic gradients for low-rank quantum optimal control
Leo Goutte, Vincenzo Savona
The paper presents low-rank optimal control (LROC), a technique that exploits the dominance of a few pure states in open quantum systems to compute gradients for pulse optimization…
Reducing Spatial and Temporal Dimensionality in the Multidimensional Caldeira-Leggett Model
Hongfei Zhan, Ernest W. Z. Pan, Zhenning Cai
The paper develops an efficient algorithm for simulating the real-time dynamics of the reduced density matrix in the multidimensional Caldeira‑Leggett model by using low‑rank spati…
Quantum Imaginary-Time Evolution with Polynomial Resources in Evolution Time
Lei Zhang, Jizhe Lai, Xian Wu +1
The paper proposes a quantum algorithm that efficiently prepares imaginary-time evolved states with polynomial resources in evolution time, using an adaptive normalization factor t…
Forked Physics-Informed Neural Networks for Non-Markovian Open Quantum Dynamics and Control
Zhao-Wei Wang, Kai-Yu Yuan, Feng-Hua Ren +1
The paper introduces a forked physics-informed neural network (FPINN) that jointly simulates and controls non‑Markovian open quantum systems by decoupling optimization objectives,…
Nonreciprocal Quantum Mpemba Effect
Wei-Bin Yan, Ying-Jie Zhang, Yun-Jie Xia +2
The paper shows that swapping the parameters of two identical reservoirs in an open quantum system can turn a quantum Mpemba effect on or off without altering the initial state, du…
Events as Spacetime Anchors: Local Irreversibility at the Interface of Quantum Field Theory and Relativity
Shuo Zhang
The paper introduces an event‑centered framework that treats spacetime events as locally irreversible records created by quantum‑environment interactions, defining operational crit…
Non-Markovian renormalization of optomechanical exceptional points
Aritra Ghosh, M. Bhattacharya
The paper studies how memory effects from a non‑Markovian mechanical environment shift the location of exceptional points in driven optomechanical systems and alter observable sign…
Identifiability of Autonomous and Controlled Open Quantum Systems
Waqas Parvaiz, Johannes Aspman, Ales Wodecki +2
The paper studies how to determine (identify) the dynamics of autonomous and controlled open quantum systems by linking their master equations to classical linear and bilinear syst…