Papers

Debjyoti Bhattacharjee, A. Saki, M. Alam +2 more·Nov 16, 2019

Rapid advancement in the domain of quantum technologies has opened up researchers to the real possibility of experimenting with quantum circuits and simulating small-scale quantum programs. Nevertheless, the quality of currently available qubits and ...

G. Feng, Jingwei Chen, Hong-Hao Zhang·Nov 15, 2019

As the building blocks of topological quantum computation, Majorana zero modes (MZMs) have attracted tremendous attention in recent years. Scalable mesoscopic island designs with MZMs show great potential in quantum information processing. However, t...

D. Gil, W. Green·Nov 15, 2019

The laptops, cell phones, and internet applications commonplace in our daily lives are all rooted in the idea of zeros and ones - in bits. This foundational element originated from the combination of mathematics and Claude Shannon's Theory of Informa...

Daniel F. Urrego, D. Lopez-Mago, Verónica Vicuña-Hernández +1 more·Nov 15, 2019

Insights gained from quantum physics can inspire novel classical technologies. These quantum-inspired technologies are protocols that aim at mimicking particular features of quantum algorithms. They are generally easier to implement and make use of i...

Nga T. T. Nguyen, Garrett T. Kenyon, B. Yoon·Nov 14, 2019

We propose a regression algorithm that utilizes a learned dictionary optimized for sparse inference on a D-Wave quantum annealer. In this regression algorithm, we concatenate the independent and dependent variables as a combined vector, and encode th...

G. Landi, A. L. Fonseca de Oliveira, Efrain Buksman·Nov 14, 2019

Quantum error correcting codes can be cast in a way which is strikingly similar to a quantum heat engine undergoing an Otto cycle. In this paper we strengthen this connection further by carrying out a complete assessment of the thermodynamic properti...

César Gómez·Nov 14, 2019

For any quantum algorithm given by a path in the space of unitary operators we define the computational complexity as the typical computational time associated with the path. This time is defined using a quantum time estimator associated with the pat...

F. Pereira·Nov 14, 2019

Entanglement-assisted quantum-error-correcting (EAQEC) codes are quantum codes which use entanglement as a resource. These codes can provide better error correction than the (entanglement unassisted) codes derived from the traditional stabilizer form...

J. Caldeira, Joshua Job, S. Adachi +2 more·Nov 14, 2019

We present the application of Restricted Boltzmann Machines (RBMs) to the task of astronomical image classification using a quantum annealer built by D-Wave Systems. Morphological analysis of galaxies provides critical information for studying their ...

K. Nesterov, I. Pechenezhskiy, M. Vavilov·Nov 14, 2019

In superconducting circuit architectures for quantum computing, microwave resonators are often used both to isolate qubits from the electromagnetic environment and to facilitate qubit state readout. We analyze the full counting statistics of photons ...

Jingfu Zhang, Swathi S. Hegde, D. Suter·Nov 14, 2019

Quantum computers have the potential to speed up certain problems that are hard for classical computers. Hybrid systems, such as the nitrogen-vacancy (NV) center in diamond, are among the most promising systems to implement quantum computing, provide...

H. Naus·Nov 14, 2019

Noisy Intermediate-Scale Quantum computers are expected to be available this year. It is proposed to exploit such a device for decision making under uncertainty. The probabilistic character of quantum mechanics reflects this uncertainty. Concomitantl...

R. Gupta, M. Biercuk·Nov 13, 2019

Adaptive filtering is a powerful class of control theoretic concepts useful in extracting information from noisy data sets or performing forward prediction in time for a dynamic system. The broad utilization of the associated algorithms makes them at...

Xiaosi Xu, S. Benjamin, Xiao Yuan·Nov 13, 2019

Quantum error correction is vital for implementing universal quantum computing. A key component is the encoding circuit that maps a product state of physical qubits into the encoded multipartite entangled logical state. Known methods are typically no...

Mark Hodson, Brendan Ruck, Hugh Ong +2 more·Nov 13, 2019

This paper investigates the experimental performance of a discrete portfolio optimization problem relevant to the financial services industry on the gate-model of quantum computing. We implement and evaluate a portfolio rebalancing use case on an ide...

Nicholas H Stair, Ren-dong Huang, Francesco A. Evangelista·Nov 12, 2019

We introduce a multireference selected quantum Krylov (MRSQK) algorithm suitable for quantum simulation of many-body problems. \methodabbr is a low-cost alternative to the quantum phase estimation algorithm that generates a target state as a linear c...

Steven Gassner, C. Cafaro, S. Capozziello·Nov 12, 2019

A relevant problem in quantum computing concerns how fast a source state can be driven into a target state according to Schrödinger’s quantum mechanical evolution specified by a suitable driving Hamiltonian. In this paper, we study in detail the comp...

Gaurav Bhole, T. Tsunoda, P. Leek +1 more·Nov 12, 2019

A powerful control method in experimental quantum computing is the use of spin echoes, employed to select a desired term in the system's internal Hamiltonian, while refocusing others. Here we address a more general problem, describing a method to not...

Aysha Shabbir, Maryam Shabbir, Fahad Ahmad +1 more·Nov 11, 2019

Nuclear monitoring must considered as high precedence against national security. Now with the increasing nuclear threats it is crucial to ensure that malicious entity never procure nuclear warheads. Which comprises the prevention of illegal or terror...

Alex R. Rigby, J. Olivier, Peter Jarvis·Nov 11, 2019

For a number of quantum channels of interest, phase-flip errors occur far more frequently than bit-flip errors. When transmitting across these asymmetric channels, the decoding error rate can be reduced by tailoring the code used to the channel. Howe...