Browsing School of Physics and Astronomy by Title
Now showing items 1824-1843 of 2789
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Quantitative explanation of the reported values of the Hall-Petch parameter
The Hall-Petch effect has been described for the past sixty years as a dependence of the strength of polycrystalline metals on the inverse square-root of grain size d. The value of the coefficient of the dependence has ... -
Quantum Codes, CFTs, and Defects
(Springer, 2023-03-02) -
Quantum dispersion relations for the AdS(4) x CP3 GKP string
(2015-11-05) -
Quantum dissipation in a scalar field theory with gapped momentum states
(Nature Publishing Group, 2019)Understanding quantum dissipation is important from both theoretical perspective and applications. Here, we show how to describe dissipation in a scalar field theory. We treat dissipation non-perturbatively, represent it ... -
Quantum information processing and composite quantum fields
(2019-01-22) -
Quantum interference enhances the performance of single-molecule transistors.
(2024-03-25)Quantum effects in nanoscale electronic devices promise to lead to new types of functionality not achievable using classical electronic components. However, quantum behaviour also presents an unresolved challenge facing ... -
The quantum mechanics of viscosity
(2021) -
Quantum MHV diagrams
Over the past two years, the use of on-shell techniques has deepened our understanding of the S-matrix of gauge theories and led to the calculation of many new scattering amplitudes. In these notes we review a particular ... -
Quantum quenches during inflation
(American Physical Society, 2017-02-21) -
A Quarter Century of Wind Spacecraft Discoveries
(Wiley, 2021-03-17)The Wind spacecraft, launched on November 1, 1994, is a critical element in NASA’s Heliophysics System Observatory (HSO)—a fleet of spacecraft created to understand the dynamics of the Sun-Earth system. The combination of ... -
Quarter-BPS states, multi-symmetric functions and set partitions
(Springer, 2021-03-16)We give a construction of general holomorphic quarter BPS operators in N = 4 SYM at weak coupling with U(N) gauge group at finite N. The construction employs the Möbius inversion formula for set partitions, applied to ...