Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,694

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1,159

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Research Volume

13,007 papers in 12 months (-3% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,368 papers found

A Quantum Model for Multilayer Perceptron

Changpeng Shao·Aug 31, 2018

Multilayer perceptron is the most common used class of feed-forward artificial neural network. It contains many applications in diverse fields such as speech recognition, image recognition, and machine translation software. To cater for the fast deve...

PhysicsMathematics

Deep learning, quantum chaos, and pseudorandom evolution

Daniel W. F. Alves, Michael O. Flynn·Aug 30, 2018

By modeling quantum chaotic dynamics with ensembles of random operators, we explore how a deep learning architecture known as a convolutional neural network (CNN) can be used to detect pseudorandom behavior in qubit systems. We analyze samples consis...

PhysicsMathematics

Quantum optical neural networks

Gregory R. Steinbrecher, J. Olson, D. Englund +1 more·Aug 29, 2018

Physically motivated quantum algorithms for specific near-term quantum hardware will likely be the next frontier in quantum information science. Here, we show how many of the features of neural networks for machine learning can naturally be mapped in...

Computer SciencePhysicsMathematics

Quantum enhanced cross-validation for near-optimal neural networks architecture selection

Priscila G. M. dos Santos, Rodrigo S. Sousa, Ismael C. S. Araújo +1 more·Aug 27, 2018

This paper proposes a quantum-classical algorithm to evaluate and select classical artificial neural networks architectures. The proposed algorithm is based on a probabilistic quantum memory (PQM) and the possibility to train artificial neural networ...

PhysicsComputer Science

Neural-network states for the classical simulation of quantum computing

Bjarni J'onsson, B. Bauer, Giuseppe Carleo·Aug 15, 2018

Simulating quantum algorithms with classical resources generally requires exponential resources. However, heuristic classical approaches are often very efficient in approximately simulating special circuit structures, for example with limited entangl...

PhysicsMathematics

Learning and Inference on Generative Adversarial Quantum Circuits

J. Zeng, Y. Wu, Jin-Guo Liu +2 more·Aug 10, 2018

Quantum mechanics is inherently probabilistic in light of Born's rule. Using quantum circuits as probabilistic generative models for classical data exploits their superior expressibility and efficient direct sampling ability. However, training of qua...

PhysicsComputer ScienceMathematics

Machine learning method for state preparation and gate synthesis on photonic quantum computers

J. Arrazola, T. Bromley, J. Izaac +3 more·Jul 27, 2018

We show how techniques from machine learning and optimization can be used to find circuits of photonic quantum computers that perform a desired transformation between input and output states. In the simplest case of a single input state, our method d...

Computer ScienceMathematicsPhysics

Local-measurement-based quantum state tomography via neural networks

T. Xin, Sirui Lu, Ningping Cao +5 more·Jul 19, 2018

Quantum state tomography is a daunting challenge of experimental quantum computing, even in moderate system size. One way to boost the efficiency of state tomography is via local measurements on reduced density matrices, but the reconstruction of the...

Computer SciencePhysicsMathematics

Benchmarking Neural Networks For Quantum Computations

N. Nguyen, E. Behrman, M. A. Moustafa +1 more·Jul 9, 2018

The power of quantum computers is still somewhat speculative. Although they are certainly faster than classical ones at some tasks, the class of problems they can efficiently solve has not been mapped definitively onto known classical complexity theo...

Computer SciencePhysicsMedicine

Bayesian deep learning on a quantum computer

Zhikuan Zhao, Alejandro Pozas-Kerstjens, P. Rebentrost +1 more·Jun 29, 2018

Bayesian methods in machine learning, such as Gaussian processes, have great advantages compared to other techniques. In particular, they provide estimates of the uncertainty associated with a prediction. Extending the Bayesian approach to deep archi...

PhysicsComputer ScienceMathematics

Learning Simon's quantum algorithm

Kwok Ho Wan, Feiyang Liu, O. Dahlsten +1 more·Jun 27, 2018

We consider whether trainable quantum unitaries can be used to discover quantum speed-ups for classical problems. Using methods recently developed for training quantum neural nets, we consider Simon's problem, for which there is a known quantum algor...

Computer SciencePhysics

A Universal Training Algorithm for Quantum Deep Learning

Guillaume Verdon, J. Pye, M. Broughton·Jun 25, 2018

We introduce the Backwards Quantum Propagation of Phase errors (Baqprop) principle, a central theme upon which we construct multiple universal optimization heuristics for training both parametrized quantum circuits and classical deep neural networks ...

MathematicsComputer SciencePhysics

Quantum codes from neural networks

Johannes Bausch, Felix Leditzky·Jun 22, 2018

We examine the usefulness of applying neural networks as a variational state ansatz for many-body quantum systems in the context of quantum information-processing tasks. In the neural network state ansatz, the complex amplitude function of a quantum ...

PhysicsComputer ScienceMathematics

Quantum computing with classical bits

C. Wetterich·Jun 15, 2018

Abstract A bit-quantum map relates probabilistic information for Ising spins or classical bits to quantum spins or qubits. Quantum systems are subsystems of classical statistical systems. The Ising spins can represent macroscopic two-level observable...

PhysicsComputer ScienceMathematics

From Probabilistic Graphical Models to Generalized Tensor Networks for Supervised Learning

I. Glasser, Nicola Pancotti, J. I. Cirac·Jun 15, 2018

Tensor networks have found a wide use in a variety of applications in physics and computer science, recently leading to both theoretical insights as well as practical algorithms in machine learning. In this work we explore the connection between tens...

Computer SciencePhysicsMathematics

Quantum analog-digital conversion

K. Mitarai, M. Kitagawa, K. Fujii·May 29, 2018

Many quantum algorithms, such as Harrow-Hassidim-Lloyd (HHL) algorithm, depend on oracles that efficiently encode classical data into a quantum state. The encoding of the data can be categorized into two types; analog-encoding where the data are stor...

Physics

Quantum neural networks to simulate many-body quantum systems

Bartłomiej Gardas, M. Rams, J. Dziarmaga·May 14, 2018

We conduct experimental simulations of many body quantum systems using a \emph{hybrid} classical-quantum algorithm. In our setup, the wave function of the transverse field quantum Ising model is represented by a restricted Boltzmann machine. This neu...

PhysicsMathematics

Circuit designs for superconducting optoelectronic loop neurons

J. Shainline, S. Buckley, A. McCaughan +4 more·May 4, 2018

Optical communication achieves high fanout and short delay advantageous for information integration in neural systems. Superconducting detectors enable signaling with single photons for maximal energy efficiency. We present designs of superconducting...

Computer Science

Quantum machine learning for data scientists

Dawid Kopczyk·Apr 25, 2018

This text aims to present and explain quantum machine learning algorithms to a data scientist in an accessible and consistent way. The algorithms and equations presented are not written in rigorous mathematical fashion, instead, the pressure is put o...

PhysicsMathematics

Machine learning assisted readout of trapped-ion qubits

Alireza Seif, K. Landsman, N. Linke +3 more·Apr 20, 2018

We reduce measurement errors in a quantum computer using machine learning techniques. We exploit a simple yet versatile neural network to classify multi-qubit quantum states, which is trained using experimental data. This flexible approach allows the...

PhysicsComputer ScienceMathematics
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