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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Exact Tensor Hypercontraction: A Universal Technique for the Resolution of Matrix Elements of Local Finite-Range N -Body Potentials in Many-Body Quantum Problems
Abstract not provided
Tuning Many-Body Interactions in Graphene: The Effects of Doping on Excitons and Carrier Lifetimes
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Many-Body Topological Invariants for Fermionic Symmetry-Protected Topological Phases
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Measurement of Body-Centered-Cubic Aluminum at 475 GPa [Observation of Body-Centered-Cubic Aluminum at 475 GPa]
Nanosecond in situ x-ray diffraction and simultaneous velocimetry measurements were used to determine the crystal structure and pressure, respectively, of ramp compressed aluminum at stress states between 111 and 475 GPa. The solid-solid Al phase transformations, fcc-hcp and hcp-bcc, are observed at 216 ± 9 GPa and 321 ± 12 GPa, respectively, with the bcc phase persisting to 475 GPa. Here, this is the first in situ observation of the high-pressure bcc phase of Al. High-pressure texture of the hcp and bcc phases suggests close-packed or nearly close-packed lattice planes remain parallel through both transformations.
Native Frames: Disentangling Sequential from Concerted Three-Body Fragmentation
Not Available
Variable Charge Many-Body Interatomic Potentials
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Few Body Quantum Dynamics in Many-Body Systems: Cold Atoms and Nuclear Physics
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Reduction of wave drag of wing-body combinations at supersonic speeds through body distortions
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Aerodynamics of bodies, wings, and wing-body combinations at high angles of attack and supersonic speeds
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Analysis of body calcium (regional changes in body calcium by in vivo neutron activation analysis)
The effect of space flight on urine and fecal calcium loss was documented during the three long-term Skylab flights. Neutron activation analysis was used to determine regional calcium loss. Various designs for regional analysis were investigated.
Impingement of cloud droplets on aerodynamic bodies as affected by compressibility of air flow around the body
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Calculation of transonic flows over bodies of varying complexity using slender body theory
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