Electromagnetic fields with vanishing quantum corrections
We show that a large class of null electromagnetic fields are immune to any modifications of Maxwell's equations in the form of arbitrary powers and derivatives of the field strength.
Marcello Ortaggio, Vojtěch Pravda
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Erratum: Remarks on H. W. Lewis' Paper "On the Reactive Terms in Quantum Electrodynamics" [PDF]
Saul T. Epstein
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ABSTRACT We propose a manifestly duality‐invariant, Lorentz‐invariant, and local action to describe quantum electrodynamics in the presence of magnetic monopoles that derives from Sen's formalism. By employing field strengths as the dynamical variables, rather than potentials, this formalism resolves longstanding ambiguities in prior frameworks.
Aviral Aggarwal +2 more
wiley +1 more source
Quantum computer with atomic logical qubits encoded on macroscopic three-level systems in common quantum electrodynamic cavity [PDF]
Farid Ablayev +3 more
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Toward Large Nonradiating Qubits: When Quantum Engineering Meets Photonics
Nonradiating superconducting qubits suppress radiative losses through photonic‐inspired mechanisms such as anapole states and bound states in the continuum (BICs). This review surveys theoretical foundations and recent implementations of large, wavelength‐scale qubits that confine electromagnetic energy while maintaining coherence.
Alexey Basharin
wiley +1 more source
Quantum electrodynamics with magnetic textures
Coherent exchange between photons and different matter excitations (like qubits, acoustic surface waves or spins) allows for the entanglement of light and matter and provides a toolbox for performing fundamental quantum physics.
María José Martínez-Pérez +1 more
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Charged gravitational instantons: extra CP violation and charge quantisation in the Standard Model
We argue that quantum electrodynamics combined with quantum gravity results in a new source of CP violation, anomalous non-conservation of chiral charge and quantisation of electric charge.
Suntharan Arunasalam, Archil Kobakhidze
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Quantum Electrodynamics of Intense Laser-Matter Interactions: A Tool for Quantum State Engineering [PDF]
Philipp Stammer +7 more
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Accelerated Characterization of Two‐Level Systems in Superconducting Qubits Via Machine Learning
We introduce a data‐driven approach for extracting two‐level system (TLS) parameters–frequency ωTLS$\omega _{\text{TLS}}$, coupling strength g$g$, dissipation time TTLS,1$T_{\text{TLS}, 1}$, and the pure dephasing time TTLS,2φ$T^\varphi _{\text{TLS}, 2}$, labeled as a 4 component vector q⃗$\vec{q}$, directly from simulated spectroscopy data generated ...
Avinash Pathapati +3 more
wiley +1 more source
Reducing Spontaneous Emission in Circuit Quantum Electrodynamics by a Combined Readout/Filter Technique [PDF]
Nicholas T. Bronn +5 more
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