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Quantum Computing Is Beginning to Take Shape — Here Are Three Recent Breakthroughs Discover Magazine
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Trying to implement block encoding with LCU in Qiskit and the matrix looks correct but is permuted. What am I doing wrong ? from qiskit.quantum_info import SparsePauliOp, Statevector, Operator from qi…
By Craig Costello Professor, School of Computer Science, Queensland University of Technology Online data is generally pretty secure. Assuming everyone is careful with passwords and other protections, …
arXiv:2604.09314v1 Announce Type: new Abstract: We investigate the emergence of semiclassical dynamics in the quantum Rabi model using a recently developed limiting procedure that formally establishes…
arXiv:2604.09310v1 Announce Type: new Abstract: Spin defects in solids, such as the nitrogen-vacancy (NV) center in diamond, have emerged as a key tool for detecting nuclear spins at the nanoscale. Wh…
arXiv:2604.09306v1 Announce Type: new Abstract: Quantum networks are expected to become a key enabler for interconnecting quantum devices. In contrast to classical communication networks, however, inf…
arXiv:2604.09295v1 Announce Type: new Abstract: This paper presents a generalized circuit framework for constructing Shih-type fractionalizations of unitary operators of dyadic order, i.e., operators …
arXiv:2604.09284v1 Announce Type: new Abstract: We investigate the dynamics of a charged particle interacting with a multimode quantized electromagnetic field and obtain an analytic solution for the f…
arXiv:2604.09257v1 Announce Type: new Abstract: Conventional polarimetry, including schemes leveraging entangled light, characterizes optical samples through linear transformations of polarization sta…
arXiv:2604.09219v1 Announce Type: new Abstract: Optically Pumped Magnetometers use light to drive an atomic vapor into a Non-Equilibrium Steady State for sensing. This kind of state is achieved when s…
arXiv:2604.09196v1 Announce Type: new Abstract: The standard stimulated Raman adiabatic passage (STIRAP) protocol enables high-fidelity quantum state transfer in an ideal three-level system via adiaba…
arXiv:2604.09192v1 Announce Type: new Abstract: We study the signalling structure of higher order quantum maps from an order-theoretic perspective, building on the combinatorial characterization of hi…
arXiv:2604.09144v1 Announce Type: new Abstract: Quantum key distribution (QKD) networks provide information-theoretically secure keys for distant parties, emerging as a vital alternative to classical …
arXiv:2604.09068v1 Announce Type: new Abstract: Beamforming is conventionally understood as a collective property of many discrete antenna elements in both communication and radar fields, which links …
arXiv:2604.09050v1 Announce Type: new Abstract: Superconducting coplanar waveguide resonators are essential components in quantum processors, where their internal quality factor (Qi) constrains qubit …
arXiv:2604.09040v1 Announce Type: new Abstract: Giannelli and Chiribella derived an observable-generator duality for energy from a collision model of informational nonequilibrium. We study a continuou…
arXiv:2604.09002v1 Announce Type: new Abstract: Quantum repeaters constitute a promising platform for enabling long distance quantum communication and may ultimately serve as the backbone of a secure …
arXiv:2604.08955v1 Announce Type: new Abstract: Superconducting traveling-wave parametric amplifiers (TWPAs) are essential elements for enhancing the signal-to-noise ratio (SNR) and thus the read-out …
arXiv:2604.08919v1 Announce Type: new Abstract: The Lucas sequences are integers defined by a homogeneous recurrence relation. They include the well-known Fibonacci numbers, which appear abundantly in…
arXiv:2604.08918v1 Announce Type: new Abstract: Bell statistical-strength analyses and complexity-based model selection are usually treated separately. Here we relate them by showing that a witness ob…
arXiv:2604.08871v1 Announce Type: new Abstract: Quantum-mechanical incompatibility, which precludes the simultaneous precise measurement of non-commuting observables, imposes fundamental limits on the…
arXiv:2604.08861v1 Announce Type: new Abstract: The design of coupler-based superconducting two-qubit gates simplifies circuit layout and alleviate frequency crowding, thereby enhancing the scalabilit…
arXiv:2604.08852v1 Announce Type: new Abstract: The goal of this chapter is to investigate the effects of relaxation and dephasing on the quantum Rabi model in the ultrastrong coupling regime, and to …