Energy efficiency of quantum computers

How much energy does a quantum computer consume? Are they more efficient than their classical counterparts? In this work, we make a step towards answe...

arXiv Quantum Physics

g-tensor Optimization in Ge/SiGe Quantum Dots

Planar germanium heterostructures hosting hole-spin qubits are among the leading platforms for scalable semiconductor-based quantum computing. Yet, de...

arXiv Quantum Physics

MCMit: Mid-Circuit Measurement Error Mitigation

Distributed Quantum Computing (DQC) and Quantum Error Correction (QEC) rely on dynamic circuits that include Mid-Circuit Measurements (MCMs) and class...

arXiv Quantum Physics

Replica Tensor Train

We describe a numerical many-body technique that is based on both tensor networks and quantum Monte Carlo. The variational ansatz is a tensor network ...

arXiv Quantum Physics

Speed-oriented quantum circuit backend

We present a new software package for efficient quantum circuit generation, designed to achieve optimal runtime performance. Despite being in an early...

arXiv Quantum Physics

Coherence dynamics in Simon's quantum algorithm

Quantum coherence plays a pivotal role in quantum algorithms. We study the coherence dynamics of the evolved states in Simon's quantum algorithm based...

arXiv Quantum Physics

Parameter-efficient Quantum Multi-task Learning

Multi-task learning (MTL) improves generalization and data efficiency by jointly learning related tasks through shared representations. In the widely ...

arXiv Quantum Physics

Taming Trotter Errors with Quantum Resources

Quantum simulation is a cornerstone application of quantum computing, yet how fundamental quantum resources--entanglement and non-stabilizerness (``ma...

arXiv Quantum Physics

Quantum-safe IPsec in the banking industry

The emergence of Cryptographically Relevant Quantum Computers (CRQCs) presents a critical threat to classical cryptographic systems, particularly wide...

arXiv Quantum Physics

Hardware-Aware Quantum Support Vector Machines

Deploying quantum machine learning algorithms on near-term quantum hardware requires circuits that respect device-specific gate sets, connectivity con...

arXiv Quantum Physics

Soft-Quantum Algorithms

Quantum operations on pure states can be fully represented by unitary matrices. Variational quantum circuits, also known as quantum neural networks, e...

arXiv Quantum Physics

Quantum computing without interruptions

Mid-circuit measurements are one of the biggest practical hurdles in quantum error correction on encoded qubits. Researchers in Innsbruck and Aachen h...

Phys.org Quantum

Gate-based Readout and Cooling of Neutral Atoms

Neutral atom arrays have seen tremendous progress in quantum simulation, quantum metrology, and fault-tolerant quantum computing. However, hardware co...

arXiv Quantum Physics