Translator; professional specialization unestablished.
Translator; professional specialization unestablished.
Alexander Pines coauthored a method enhancing nuclear magnetic resonance signals from dilute nuclear spins in solids. Repeated transfer of polarization from abundant spins, usually protons, strengthens the rarer species' signal. Decoupling the abundant spins during observation then improves spectral resolution. The technique separates the problem of building a detectable spin polarization from the problem of measuring a narrow resonance, making otherwise weak solid-state spectra accessible.[ref]
Proton-enhanced NMR of dilute spins in solids by Alexander Pines and others. Journal of Chemical Physics 59, 569–590 (1973), abstract
Portrait of Alexander Pines in 2007
. Via Wikimedia Commons; the linked file page provides image credits and usage information. Source.Dmitry Budker develops optical methods for measuring weak magnetic fields. Resonant light interacts with an atomic vapor, preparing or probing atomic polarization whose evolution depends on the field. Measuring an optical signal therefore converts atomic magnetic response into a sensitive magnetometer. His coauthored review connects this method with geomagnetic sensing, detection of nuclear magnetic resonance and tests of fundamental symmetries.[ref]
Optical Magnetometry by Dmitry Budker and Michael Romalis. Nature Physics 3, 227–234 (2007), abstract and resonant-light/atomic-vapor sensing
Portrait of Dmitry Budker
. Via Wikimedia Commons; the linked file page provides image credits and usage information. Source.A researcher in soft matter whose work combines theory and simulation to study the physics of glass and the formation of spatial structure in complex materials.[ref]
Professional profile of Patrick Charbonneau at Duke University. Research description: theory, simulation, glass problem and microphase formation
His historical and mathematical account of the replica trick explains why averaging a partition function differs from averaging its logarithm when disorder is frozen. It also identifies the ambiguity in the analytic continuation used by this method, helping readers understand both its usefulness for spin glass models and its mathematical limitations.[ref]Portrait of Patrick Charbonneau
. Source. Institutional author.
Institutional author.
Institutional author.
Institutional author.
Institutional author.
Institutional author.
Institutional author.
Institutional author.
H. G. Muller coauthored an experiment that reconstructed a train of -attosecond optical pulses from high harmonic generation. Two-color photoionization measurements determined relative harmonic phases, connecting the measured electron signal to the short-pulse structure.[ref]
Observation of a Train of Attosecond Pulses from High Harmonic Generation by P. M. Paul and others. Science 292 (2001), pp. 1689–1691: author list and abstract; Fig. 1 photoelectron sidebands, Fig. 2 apparatus and Fig. 4 reconstructed 250-as peaks.
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