Simulating and Learning Quantum Evolution: A CTQW-ML Framework
- URL: http://arxiv.org/abs/2509.10821v1
- Date: Sat, 13 Sep 2025 14:39:47 GMT
- Title: Simulating and Learning Quantum Evolution: A CTQW-ML Framework
- Authors: Rachana Soni, Navneet Pratap Singh,
- Abstract summary: We present an approach to simulate the Schr"odinger equation through continuous time quantum walks.<n>We implement a supervised neural network model to evaluate the effectiveness of data-driven techniques.
- Score: 1.7188280334580195
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We present an approach to simulate the Schr\"odinger equation through continuous time quantum walks. The CTQW-based simulation applies unitary evolution driven by a quantum walk to generate probability amplitude distributions at various time steps. Additionally, we implemented a supervised neural network model to evaluate the effectiveness of data-driven techniques. The model learns to predict the squared modulus of the wavefunction given spatial and temporal coordinates. A comparative analysis demonstrates that the ML model can reproduce the qualitative structure and temporal progression of the quantum system with high accuracy. This study provides the synergy between quantum walk-based simulation and machine learning for solving quantum dynamical equations.
Related papers
- Simulating sparse SYK model with a randomized algorithm on a trapped-ion quantum computer [0.4593579891394288]
The Sachdev-Ye-Kitaev (SYK) model describes a strongly correlated quantum system that shows a strong signature of quantum chaos.<n>Quantum simulations of the SYK model on noisy quantum processors are severely limited by the complexity of its Hamiltonian.<n>We simulate the real-time dynamics of a sparsified version of the SYK model with 24 Majorana fermions on a trapped-ion quantum processor.
arXiv Detail & Related papers (2025-07-10T08:26:08Z) - Simulating discrete-time quantum walk with urn model [0.0]
Urn models have long been used to study computation processes, probability distributions, and reinforcement dynamics.<n>Meanwhile, discrete time quantum walks (DTQW) serve as fundamental components in quantum computation and quantum information theory.<n>This work explores a novel connection between an urn model and discrete-time quantum walks, focusing on how urn-based processes can provide insights into quantum state evolution and algorithmic behavior.
arXiv Detail & Related papers (2025-06-07T18:54:09Z) - Probabilistic imaginary-time evolution in state-vector-based and shot-based simulations and on quantum devices [0.22499166814992436]
Imaginary-time evolution, an important technique in tensor network and quantum Monte Carlo algorithms on classical computers, has recently been adapted to quantum computing.<n>We derive its formulation in the context of state-vector-based simulations, where quantum state vectors are directly used to compute observables without statistical errors.
arXiv Detail & Related papers (2025-04-07T11:45:31Z) - Quantum Simulation of Dynamical Transition Rates in Open Quantum Systems [0.0]
We present a quantum-simulation framework that enables efficient estimation of transition rates in open quantum systems.<n>We validate our method on a spin-1/2 decoherence model using an IBM quantum processor.
arXiv Detail & Related papers (2024-12-23T02:53:05Z) - Fourier Neural Operators for Learning Dynamics in Quantum Spin Systems [77.88054335119074]
We use FNOs to model the evolution of random quantum spin systems.
We apply FNOs to a compact set of Hamiltonian observables instead of the entire $2n$ quantum wavefunction.
arXiv Detail & Related papers (2024-09-05T07:18:09Z) - Efficient Learning for Linear Properties of Bounded-Gate Quantum Circuits [63.733312560668274]
Given a quantum circuit containing d tunable RZ gates and G-d Clifford gates, can a learner perform purely classical inference to efficiently predict its linear properties?
We prove that the sample complexity scaling linearly in d is necessary and sufficient to achieve a small prediction error, while the corresponding computational complexity may scale exponentially in d.
We devise a kernel-based learning model capable of trading off prediction error and computational complexity, transitioning from exponential to scaling in many practical settings.
arXiv Detail & Related papers (2024-08-22T08:21:28Z) - Simulating non-unitary dynamics using quantum signal processing with
unitary block encoding [0.0]
We adapt a recent advance in resource-frugal quantum signal processing to explore non-unitary imaginary time evolution on quantum computers.
We test strategies for optimising the circuit depth and the probability of successfully preparing the desired imaginary-time evolved states.
We find that QET-U for non-unitary dynamics is flexible, intuitive and straightforward to use, and suggest ways for delivering quantum advantage in simulation tasks.
arXiv Detail & Related papers (2023-03-10T19:00:33Z) - TeD-Q: a tensor network enhanced distributed hybrid quantum machine learning framework [48.491303218786044]
TeD-Q is an open-source software framework for quantum machine learning.<n>It seamlessly integrates classical machine learning libraries with quantum simulators.<n>It provides a graphical mode in which the quantum circuit and the training progress can be visualized in real-time.
arXiv Detail & Related papers (2023-01-13T09:35:05Z) - Quantum algorithms for quantum dynamics: A performance study on the
spin-boson model [68.8204255655161]
Quantum algorithms for quantum dynamics simulations are traditionally based on implementing a Trotter-approximation of the time-evolution operator.
variational quantum algorithms have become an indispensable alternative, enabling small-scale simulations on present-day hardware.
We show that, despite providing a clear reduction of quantum gate cost, the variational method in its current implementation is unlikely to lead to a quantum advantage.
arXiv Detail & Related papers (2021-08-09T18:00:05Z) - Quantum Markov Chain Monte Carlo with Digital Dissipative Dynamics on
Quantum Computers [52.77024349608834]
We develop a digital quantum algorithm that simulates interaction with an environment using a small number of ancilla qubits.
We evaluate the algorithm by simulating thermal states of the transverse Ising model.
arXiv Detail & Related papers (2021-03-04T18:21:00Z) - State preparation and measurement in a quantum simulation of the O(3)
sigma model [65.01359242860215]
We show that fixed points of the non-linear O(3) sigma model can be reproduced near a quantum phase transition of a spin model with just two qubits per lattice site.
We apply Trotter methods to obtain results for the complexity of adiabatic ground state preparation in both the weak-coupling and quantum-critical regimes.
We present and analyze a quantum algorithm based on non-unitary randomized simulation methods.
arXiv Detail & Related papers (2020-06-28T23:44:12Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.